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? semiconductor components industries, llc, 2009 january, 2009 ? rev. 22 1 publication order number: lm2931/d lm2931, ncv2931 series 100 ma, adjustable output, ldo voltage regulator with 60 v load dump protection the lm2931 series consists of positive fixed and adjustable output voltage regulators that are specifically designed to maintain proper regulation with an extremely low input ? to ? output voltage differential. these devices are capable of supplying output currents in excess of 100 ma and feature a low bias current of 0.4 ma at 10 ma output. designed primarily to survive in the harsh automotive environment, these devices will protect all external load circuitry from input fault conditions caused by reverse battery connection, two battery jump starts, and excessive line transients during load dump. this series also includes internal current limiting, thermal shutdown, and additionally, is able to withstand temporary power ? up with mirror ? image insertion. due to the low dropout voltage and bias current specifications, the lm2931 series is ideally suited fo r battery powered industrial and consumer equipment where an extension of useful battery life is desirable. the ?c? suffix adjustable output regulators feature an output inhibit pin which is extremely useful in microprocessor ? based systems. features ? input ? to ? output voltage differential of < 0.6 v @ 100 ma ? output current in excess of 100 ma ? low bias current ? 60 v load dump protection ? ? 50 v reverse transient protection ? internal current limiting with thermal shutdown ? temporary mirror ? image protection ? ideally suited for battery powered equipment ? economical 5 ? lead to ? 220 package with two optional leadforms ? available in surface mount sop ? 8, d 2 pak and dpak packages ? high accuracy ( 2.5%) reference (lm2931ac) available ? pb ? free packages are available ? ncv prefix for automotive and other applications requiring site and control changes applications ? battery powered consumer products ? hand ? held instruments ? camcorders and cameras fixed (top view) n.c. gnd input n.c. gnd output 1 8 54 adjustable (top view) output inhibit gnd input adjust gnd output 1 8 54 soic ? 8 d suffix case 751 1 8 to ? 92 z suffix case 29 fixed output voltage pin 1. output 2. ground 3. input to ? 220 t suffix case 221ab pin 1. input 2. ground 3. output dpak dt suffix case 369a d 2 pak d2t suffix case 936 to ? 220 th suffix case 314a adjustable output voltage pin 1. adjust 2. output inhibit 3. ground 4. input 5. output to ? 220 tv suffix case 314b to ? 220 t suffix case 314d d 2 pak d2t suffix case 936a see detailed ordering and shipping information in the package dimensions sectio n on page 12 of this data sheet. ordering information see general marking and heatsink information in the device marking section on page 15 of this data sheet. device marking information 1 2 3 1 3 1 3 1 5 1 1 5 1 5 1 5 http://onsemi.com 1 3 sot ? 223 st suffix case 318h 1 2 3 1
lm2931, ncv2931 series http://onsemi.com 2 representative schematic diagram *deleted on adjustable regulators input output 30 k * adjust 92.8 k * ground 350 500 6.0 k 6.0 30 k output inhibit epi bias 50 k 5.8 v 10 k 11.5 k 3.0 k 3.94 k 30 k 30 k 180 k 184 k 6.8 v 35 k 48 k this device contains 26 active transistors.
lm2931, ncv2931 series http://onsemi.com 3 maximum ratings rating symbol value unit input voltage continuous v i 40 vdc transient input voltage ( 100 ms) v i ( ) 60 vpk transient reverse polarity input voltage ? v i ( ) ? 50 ? vpk 1.0% duty cycle, 100 ms electrostatic discharge sensitivity (esd) human body model (hbm) class 2, jesd22 a114 ? c machine model (mm) class a, jesd22 a115 ? a charged device model (cdm), jesd22 c101 ? c ? ? ? 2000 200 2000 v v v power dissipation case 29 (to ? 92 type) t a = 25 c p d internally limited w thermal resistance, junction ? to ? ambient r ja 178 c/w thermal resistance, junction ? to ? case r jc 83 c/w case 221a, 314a, 314b and 314d (to ? 220 type) t a = 25 c p d internally limited w thermal resistance, junction ? to ? ambient r ja 65 c/w thermal resistance, junction ? to ? case r jc 5.0 c/w case 318h (sot ? 223) t a = 25 c p d internally limited w thermal resistance, junction ? to ? ambient r ja 242 c/w thermal resistance, junction ? to ? case r jc 21 c/w case 369a (dpak) (note 1) t a = 25 c p d internally limited w thermal resistance, junction ? to ? ambient r ja 92 c/w thermal resistance, junction ? to ? case r jc 6.0 c/w case 751 (sop ? 8) (note 2) t a = 25 c p d internally limited w thermal resistance, junction ? to ? ambient r ja 160 c/w thermal resistance, junction ? to ? case r jc 25 c/w case 936 and 936a (d 2 pak) (note 3) t a = 25 c p d internally limited w thermal resistance, junction ? to ? ambient r ja 70 c/w thermal resistance, junction ? to ? case r jc 5.0 c/w operating ambient temperature range t a ? 40 to +125 c operating die junction temperature t j +150 c storage temperature range t stg ? 65 to +150 c stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above t he recommended operating conditions is not implied. extended exposure to stresses above the recommended operating conditions may af fect device reliability. 1. dpak junction ? to ? ambient thermal resistance is for vertical mounting. refer to figure 25 for board mounted thermal resistance. 2. sop ? 8 junction ? to ? ambient thermal resistance is for minimum recommended pad size. refer to figure 24 for thermal resistance variation versus pad size. 3. d 2 pak junction ? to ? ambient thermal resistance is for vertical mounting. refer to figure 26 for board mounted thermal resistance. 4. ncv rated devices are subjected to and meet the aecq ? 100 quality standards.
lm2931, ncv2931 series http://onsemi.com 4 electrical characteristics (v in = 14 v, i o = 10 ma, c o = 100 f, c o(esr) = 0.3 , t a = 25 c [note 5]) characteristic symbol lm2931 ? 5.0/ncv2931 ? 5.0 lm2931a ? 5.0/ncv2931a ? 5.0 unit min typ max min typ max fixed output output voltage v o v v in = 14 v, i o = 10 ma, t a = 25 c 4.75 5.0 5.25 4.81 5.0 5.19 v in = 6.0 v to 26 v, i o 100 ma, t a = ? 40 to +125 c 4.50 ? 5.50 4.75 ? 5.25 line regulation reg line mv v in = 9.0 v to 16 v ? 2.0 10 ? 2.0 10 v in = 6.0 v to 26 v ? 4.0 30 ? 4.0 30 load regulation (i o = 5.0 ma to 100 ma) reg load ? 14 50 ? 14 50 mv output impedance z o m i o = 10 ma, i o = 1.0 ma, f = 100 hz to 10 khz ? 200 ? ? 200 ? bias current i b ma v in = 14 v, i o = 100 ma, t a = 25 c ? 5.8 30 ? 5.8 30 v in = 6.0 v to 26 v, i o = 10 ma, t a = ? 40 to +125 c ? 0.4 1.0 ? 0.4 1.0 output noise voltage (f = 10 hz to 100 khz) v n ? 700 ? ? 700 ? vrms long term stability s ? 20 ? ? 20 ? mv/khr ripple rejection (f = 120 hz) rr 60 90 ? 60 90 ? db dropout voltage v i ? v o v i o = 10 ma ? 0.015 0.2 ? 0.015 0.2 i o = 100 ma ? 0.16 0.6 ? 0.16 0.6 over ? voltage shutdown threshold v th(ov) 26 29.5 40 26 29.5 40 v output voltage with reverse polarity input (v in = ? 15 v) ? v o ? 0.3 0 ? ? 0.3 0 ? v 5. low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible. 6. ncv devices are qualified for automotive use.
lm2931, ncv2931 series http://onsemi.com 5 electrical characteristics (v in = 14 v, i o = 10 ma, c o = 100 f, c o(esr) = 0.3 , t a = 25 c [note 7]) lm2931c/ncv2931c lm2931ac/ncv2931ac characteristic symbol min typ max min typ max unit adjustable output reference voltage (note 8, figure 18) v ref v i o = 10 ma, t a = 25 c 1.14 1.20 1.26 1.17 1.20 1.23 i o 100 ma, t a = ? 40 to +125 c 1.08 ? 1.32 1.15 ? 1.25 output voltage range v o range 3.0 to 24 2.7 to 29.5 ? 3.0 to 24 2.7 to 29.5 ? v line regulation (v in = v o + 0.6 v to 26 v) reg line ? 0.2 1.5 ? 0.2 1.5 mv/v load regulation (i o = 5.0 ma to 100 ma) reg load ? 0.3 1.0 ? 0.3 1.0 %/v output impedance z o m v i o = 10 ma, i o = 1.0 ma, f = 10 hz to 10 khz ? 40 ? ? 40 ? bias current i b ma i o = 100 ma ? 6.0 ? ? 6.0 ? i o = 10 ma ? 0.4 1.0 ? 0.4 1.0 output inhibited (v th(oi) = 2.5 v) ? 0.2 1.0 ? 0.2 1.0 adjustment pin current i adj ? 0.2 ? ? 0.2 ? a output noise voltage (f = 10 hz to 100 khz) v n ? 140 ? ? 140 ? vrms/v long ? term stability s ? 0.4 ? ? 0.4 ? %/khr ripple rejection (f = 120 hz) rr 0.10 0.003 ? 0.10 0.003 ? %/v dropout voltage v i ? v o v i o = 10 ma ? 0.015 0.2 ? 0.015 0.2 i o = 100 ma ? 0.16 0.6 ? 0.16 0.6 over ? voltage shutdown threshold v th(ov) 26 29.5 40 26 29.5 40 v output voltage with reverse polarity input (v in = ? 15 v) ? v o ? 0.3 0 ? ? 0.3 0 ? v output inhibit threshold voltages v th(oi) v output ?on?: t a = 25 c ? 2.15 1.90 ? 2.15 1.90 t a = ? 40 to +125 c ? ? 1.20 ? ? 1.20 output ?off?: t a = 25 c 2.50 2.26 ? 2.50 2.26 ? t a = ? 40 to +125 c 3.25 ? ? 3.25 ? ? output inhibit threshold current (v th(oi) = 2.5 v) i th(oi) ? 30 50 ? 30 50 a 7. low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible. 8. the reference voltage on the adjustable device is measured from the output to the adjust pin across r 1 .
lm2931, ncv2931 series http://onsemi.com 6 i o = 100 ma i o = 10 ma , output voltage (v) o v -v in o , dropout voltage (mv) v v in , input voltage (v) -20 -10 0 10 20 30 40 50 60 0 1.0 2.0 3.0 4.0 5.0 6.0 v out = 5.0 v r l = 500 t a = 25 c , output current (ma) o v in , input voltage (v) 50 150 250 350 0 5.0 10 15 20 25 30 i t j = -40 c t j = 25 c t j = 85 c v in (10 v/div) v o (5.0 v/div) 0 0 t, time (50 ms/div) , input voltage , output voltage , output voltage (v) o v in , input voltage (v) 0 1.0 2.0 3.0 4.0 5.0 6.0 0 1.0 2.0 3.0 4.0 5.0 6.0 v t j , junction temperature ( c) 0 100 200 300 0 25 50 75 100 125 i o = 50 ma -v in o i o , output current (ma) 0 20 40 60 80 100 0 40 80 120 160 200 v in = 14 v v out = 100 mv t j = 25 c , dropout voltage (mv) v v out = 5.0 v r l = 50 c o = 100 f = 150 ms t a = 25 c v cc = 15 v v fb1 = 5.05 v dashed lines below v in = 5.0 v are for adjustable output devices only. figure 1. dropout voltage versus output current v in = 14 v v out = 100 mv v out = 5.0 v t a = 25 c r l = 50 i o = 100 ma figure 1. dropout voltage versus output current figure 2. dropout voltage versus junction temperature figure 3. peak output current versus input voltage figure 4. output voltage versus input voltage figure 5. output voltage versus input voltage figure 6. load dump characteristics
lm2931, ncv2931 series http://onsemi.com 7 i b , bias current (ma) i b , bias current (ma) i b v in , input voltage (v) 0 2.0 4.0 6.0 8.0 10 12 -20 -10 0 10 20 30 40 50 60 r l = 50 , bias current (ma) t j , junction temperature ( c) -55 -25 0 25 50 75 100 125 0 2.0 4.0 6.0 8.0 i o = 100 ma rr, ripple rejection ratio (db) f, frequency (hz) 55 65 75 85 95 10 100 1.0 k 1.0 m 10 m c o(esr) = 0.15 tantulum rr, ripple rejection ratio (db) 85 95 0 20 40 60 80 100 i o , output current (ma) f, frequency (hz) , output impedance ( ) o 0 0.4 0.8 1.2 1.6 2.0 10 100 1.0 k 10 k 100 k 1.0 m 10 m i c o(esr) = 0.3 electrolytic c o(esr) = 0.15 tantulum 0 2.0 4.0 6.0 8.0 0 20 40 60 80 100 i o , output current (ma) i o = 0 ma i o = 50 ma v out = 5.0 v t j = 25 c v in = 14 v v out = 5.0 v i o = 10 ma di o = 1.0 ma c o = 100 f t j = 25 c v in = 14 v v out = 5.0 v 65 75 v in = 14 v v out = 5.0 v f = 120 hz t j = 25 c v in = 14 v v out = 5.0 v dv in = 100 mv r l = 500 c o = 100 f t j = 25 c c o(esr) = 0.3 electrolytic 10 k 100 k figure 7. bias current versus input voltage figure 8. bias current versus output current figure 9. bias current versus junction temperature figure 10. output impedance versus frequency figure 11. ripple rejection versus frequency figure 12. ripple rejection versus output current r l = 100 r l = 500 v in = 14 v v out = 5.0 v t j = 25 c
lm2931, ncv2931 series http://onsemi.com 8 , reference voltage (v) ref v o , output voltage (v) 1.160 1.180 1.200 1.220 1.240 0 3.0 6.0 9.0 12 15 18 21 24 v 18.5 14 t, time (10 s/div) v out = 5.0 v r l = 500 c o = 100 f c o(esr) = 0.3 t a = 25 c 100 0 t, time (10 s/div) v o , output voltage (v) v th(on/off) , output inhibit\thresholds (v) 2.0 2.1 2.2 0 3.0 6.0 9.0 12 15 18 21 24 output on" output off" 2.4 2.5 2.6 2.3 lm2931c adjustable i o = 10 ma v in = v out + 1.0 v t a = 25 c v in = 14 v v out = 5.0 v c in = 1000 f c o = 100 f c o(esr) = 0.3 t a = 25 c lm2931c adjustable i o = 10 ma v in = v out + 1.0 v t a = 25 c output current, i (ma) out output voltage deviation, o , (2.0 mv/div) v input voltage, v , (v) in output voltage deviation, o , (2.0 mv/div) v figure 13. line regulation figure 14. load regulation figure 15. reference voltage versus output voltage figure 16. output inhibit ? thresholds versus output voltage applications information the lm2931 series regulators are designed with many protection features making them essentially blow ? out proof. these features include internal current limiting, thermal shutdown, overvoltage and reverse polarity input protection, and the capability to withstand temporary power ? up with mirror ? image insertion. t ypical application circuits for the fixed and adjustable output device are shown in figures 17 and 18. the input bypass capacitor c in is recommended if the regulator is located an appreciable distance ( 4 ) from the supply input filter. this will reduce the circuit?s sensitivity to the input line impedance at high frequencies. this regulator series is not internally compensated and thus requires an external output capacitor for stability. the capacitance value required is dependent upon the load current, output voltage for the adjustable regulator, and the type of capacitor selected. the least stable condition is encountered at maximum load current and minimum output voltage. figure 22 shows that for operation in the ?stable? region, under the conditions specified, the magnitude of the output capacitor impedance |z o | must not exceed 0.4 . this limit must be observed over the entire operating temperature range of the regulator circuit. with economical electrolytic capacitors, cold temperature operation can pose a serious stability problem. as the electrolyte freezes, around ? 30 c, the capacitance will decrease and the equivalent series resistance (esr) will increase drastically, causing the circuit to oscillate. quality electrolytic capacitors with extended temperature ranges of ? 40 to +85 c and ? 55 to +105 c are readily available. solid tantalum capacitors may be a better choice if small size is a requirement, however, the maximum ? z o ? limit over temperature must be observed. note that in the stable region, the output noise voltage is linearly proportional to ? z o ? . in effect, c o dictates the high frequency roll ? off point of the circuit. operation in the area titled ?marginally stable? will cause the output of the regulator to exhibit random bursts of oscillation that decay in an under ? damped fashion. continuous oscillation occurs when operating in the area titled ?unstable?. it is suggested that oven testing of the entire circuit be performed with maximum load, minimum input voltage, and minimum ambient temperature.
lm2931, ncv2931 series http://onsemi.com 9 figure 17. fixed output regulator figure 18. adjustable output regulator figure 19. (5.0 a) low differential voltage regulator figure 20. current boost regulator with short circuit projection figure 21. constant intensity lamp flasher v in input output v out c o i b gnd c in 0.1 lm2931 -5.0 fixed output switch position 1 = output on", 2 = output off" lm2931c adjustable output v in c in 0.1 v out c o output input 51 k 1 2 output inhibit adjust gnd i adj r 1 r 2 i b the lm2931 series can be current boosted with a pnp transistor. the d45vh7, on a heatsink, will provide an output current of 5.0 a with an input to output voltage differential of approximately 1.0 v. resistor r in conjunction with the v be of the pnp determines when the pass transistor begins conducting. this circuit is not short circuit proof. input 6.0 v d45vh7 5.0 v @ 5.0 a output 100 + 100 + 68 lm2931 -5.0 lm2931c input 6.4 v to 30 v 2.0 k 8.2 k 100 + cm #345 100 + 33 k 6.2 v f osc = 2.2 hz 0 22.5k r 1 r 2 r 1 r 2 v out v ref 1 r 2 r 1 i adj r 2 r the circuit of figure 19 can be modified to provide supply protection against short circuits by adding the current sense resistor r sc and an additional pnp transistor. the current sensing pnp must be capable of handling the short circuit current of the lm2931. safe operating area of both transistors must be considered under worst case conditions. input r r sc output lm2931 -5.0 100 100 ++
lm2931, ncv2931 series http://onsemi.com 10 0.20 0.30 0.00 esr (ohms) figure 22. output noise voltage vs. output capacitor impedance figure 23. output capacitor esr stability vs. output load current output current (ma) 10 50 90 100 0.50 0.60 note - optimum stability uses a 22 f output capacitor. output capacitor values below 10 f are not recommended. unstable stable 0.1 1.0 0.01 v n , output noise voltage (mvrms) |z o |, magnitude of capacitor impedance (m ) 10 100 1.0 k 10 k 10 100 v in = 5.6 v v out = 5.0 v i o = 100 ma v n rms 10 hz to 10 mhz |z o | @ 40 khz t a = 25 c unstable marginally stable stable 0 0.10 0.40 20 60 30 70 40 80 22 f 10 f 47 f 100 f 40 50 60 70 80 90 100 0 0.4 0.8 1.2 1.6 2.0 2.4 0102030 25 15 5.0 l, length of copper (mm) p d(max) for t a = 50 c minimum size pad p d l l ???? ???? ???? ???? ja p d r , thermal resistance ja junction-to-air ( c/w) , maximum power dissipation (w) ??? ??? ??? ??? ??? ??? ja 2.0 oz. copper r , thermal resistance ja junction-to-air ( c/w) figure 24. sop ? 8 thermal resistance and maximum power dissipation versus p.c.b. copper length figure 25. dpak thermal resistance and maximum power dissipation versus p.c.b. copper length p d(max) for t a = 50 c
lm2931, ncv2931 series http://onsemi.com 11 0 50 100 150 200 250 300 0.0 0.6 1.0 1.2 1.4 1.8 0102030 25 15 5.0 l, length of copper (mm) p d(max) for t a = 50 c r ja , thermal resistance, junction ? to ? air ( cw) p d , maximum power dissipation (w) r ja l l 2.0 oz. copper ??? ??? ??? 30 40 50 60 70 80 1.0 1.5 2.0 2.5 3.0 3.5 0102030 25 15 5.0 l, length of copper (mm) p d(max) for t a = 50 c minimum size pad 2.0 oz. copper l l ???? ???? ???? ???? ja r , thermal resistance ja junction-to-air ( c/w) figure 26. 3 ? pin and 5 ? pin d 2 pak thermal resistance and maximum power dissipation versus p.c.b. copper length figure 27. sot ? 223 thermal resistance and maximum power dissipation vs. p.c.b. copper length definitions dropout voltage ? the input/output voltage differential at which the regulator output no longer maintains regulation against further reductions in input voltage. measured when the output decreases 100 mv from nominal value at 14 v input, dropout voltage is affected by junction temperature and load current. line regulation ? the change in output voltage for a change in the input voltage. the measurement is made under conditions of low dissipation or by using pulse techniques such that the average chip temperature is not significantly affected. load regulation ? the change in output voltage for a change in load current at constant chip temperature. maximum power dissipation ? the maximum total device dissipation for which the regulator will operate within specifications. bias current ? that part of the input current that is not delivered to the load. output noise voltage ? the rms ac voltage at the output, with constant load and no input ripple, measured over a specified frequency range. long ? term stability ? output voltage stability under accelerated life test conditions with the maximum rated voltage listed in the devices electrical characteristics and maximum power dissipation.
lm2931, ncv2931 series http://onsemi.com 12 ordering information device output package shipping ? voltage tolerance lm2931ad ? 5.0 5.0 v 3.8% soic ? 8 98 units / rail lm2931ad ? 5.0g 5.0 v 3.8% soic ? 8 (pb ? free) 98 units / rail lm2931ad ? 5.0r2 5.0 v 3.8% soic ? 8 2500 / tape & reel lm2931ad ? 5.0r2g 5.0 v 3.8% soic ? 8 (pb ? free) 2500 / tape & reel lm2931adt ? 5.0 5.0 v 3.8% dpak 75 units / rail lm2931adt ? 5.0g 5.0 v 3.8% dpak (pb ? free) 75 units / rail lm2931adt ? 5.0rk 5.0 v 3.8% dpak 2500 / vacpk reel lm2931adt ? 5.0rkg 5.0 v 3.8% dpak (pb ? free) 2500 / vacpk reel lm2931ad2t ? 5.0 5.0 v 3.8% d 2 pak 50 units / rail lm2931ad2t ? 5.0g 5.0 v 3.8% d 2 pak (pb ? free) 50 units / rail lm2931ad2t ? 5.0r4 5.0 v 3.8% d 2 pak 800 / vacpk reel lm2931ad2t ? 5r4g 5.0 v 3.8% d 2 pak (pb ? free) 800 / vacpk reel lm2931at ? 5.0 5.0 v 3.8% to ? 220 50 units / rail lm2931at ? 5.0g 5.0 v 3.8% to ? 220 (pb ? free) 50 units / rail lm2931az ? 5.0 5.0 v 3.8% to ? 92 2000 / inner bag lm2931az ? 5.0g 5.0 v 3.8% to ? 92 (pb ? free) 2000 / inner bag lm2931az ? 5.0ra 5.0 v 3.8% to ? 92 2000 / tape & reel lm2931az ? 5.0rag 5.0 v 3.8% to ? 92 (pb ? free) 2000 / tape & reel lm2931az ? 5.0rp 5.0 v 3.8% to ? 92 2000 / ammo pack lm2931az ? 5.0rpg 5.0 v 3.8% to ? 92 (pb ? free) 2000 / ammo pack lm2931d ? 5.0 5.0 v 5.0% soic ? 8 98 units / rail lm2931d ? 5.0g 5.0 v 5.0% soic ? 8 (pb ? free) 98 units / rail lm2931d ? 5.0r2 5.0 v 5.0% soic ? 8 2500 / tape & reel lm2931d ? 5.0r2g 5.0 v 5.0% soic ? 8 (pb ? free) 2500 / tape & reel lm2931d2t ? 5.0 5.0 v 5.0% d 2 pak 50 units / rail lm2931d2t ? 5.0g 5.0 v 5.0% d 2 pak (pb ? free) 50 units / rail lm2931d2t ? 5.0r4 5.0 v 5.0% d 2 pak 800 / vacpk reel lm2931d2t ? 5.0r4g 5.0 v 5.0% d 2 pak (pb ? free) 800 / vacpk reel ?for information on tape and reel specifications, includin g part orientation and tap e sizes, please refer to our tape and reel packaging spe- cifications brochure, brd8011/d. *ncv2931: t low = ? 40 c, t high = +125 c. guaranteed by design. ncv prefix is for automotive and other applications requiring site and change control.
lm2931, ncv2931 series http://onsemi.com 13 ordering information device shipping ? package output device shipping ? package tolerance voltage lm2931dt ? 5.0 5.0 v 5.0% dpak 75 units / rail lm2931dt ? 5.0g 5.0 v 5.0% dpak (pb ? free) 75 units / rail lm2931t ? 5.0 5.0 v 5.0% to ? 220 50 units / rail lm2931t ? 5.0g 5.0 v 5.0% to ? 220 (pb ? free) 50 units / rail lm2931z ? 5.0 5.0 v 5.0% to ? 92 2000 / inner bag lm2931z ? 5.0g 5.0 v 5.0% to ? 92 (pb ? free) 2000 / inner bag lm2931z ? 5.0ra 5.0 v 5.0% to ? 92 2000 / tape & reel lm2931z ? 5.0rag 5.0 v 5.0% to ? 92 (pb ? free) 2000 / tape & reel lm2931z ? 5.0rp 5.0 v 5.0% to ? 92 2000 / ammo pack lm2931z ? 5.0rpg 5.0 v 5.0% to ? 92 (pb ? free) 2000 / ammo pack lm2931cd adjustable 5.0% soic ? 8 98 units / rail lm2931cdg adjustable 5.0% soic ? 8 (pb ? free) 98 units / rail lm2931cdr2 adjustable 5.0% soic ? 8 2500 / tape & reel lm2931cdr2g adjustable 5.0% soic ? 8 (pb ? free) 2500 / tape & reel lm2931cd2t adjustable 5.0% d 2 pak 50 units / rail lm2931cd2tg adjustable 5.0% d 2 pak (pb ? free) 50 units / rail lm2931cd2tr4 adjustable 5.0% d 2 pak 800 / vacpk reel lm2931cd2tr4g adjustable 5.0% d 2 pak (pb ? free) 800 / vacpk reel lm2931ct adjustable 5.0% to ? 220 50 units / rail lm2931ctg adjustable 5.0% to ? 220 (pb ? free) 50 units / rail lm2931acd adjustable 2.0% soic ? 8 98 units / rail lm2931acdg adjustable 2.0% soic ? 8 (pb ? free) 98 units / rail lm2931acdr2 adjustable 2.0% soic ? 8 2500 / tape & reel lm2931acdr2g adjustable 2.0% soic ? 8 (pb ? free) 2500 / tape & reel lm2931acd2tr4 adjustable 2.0% d 2 pak 800 / vacpk reel lm2931acd2tr4g adjustable 2.0% d 2 pak (pb ? free) 800 / vacpk reel lm2931actv adjustable 2.0% to ? 220 50 units / rail lm2931actvg adjustable 2.0% to ? 220 (pb ? free) 50 units / rail ?for information on tape and reel specifications, includin g part orientation and tap e sizes, please refer to our tape and reel packaging spe- cifications brochure, brd8011/d. *ncv2931: t low = ? 40 c, t high = +125 c. guaranteed by design. ncv prefix is for automotive and other applications requiring site and change control.
lm2931, ncv2931 series http://onsemi.com 14 ordering information device shipping ? package output device shipping ? package tolerance voltage ncv2931acdr2* adjustable 2.5% soic ? 8 2500 / tape & reel ncv2931acdr2g* adjustable 2.5% soic ? 8 (pb ? free) 2500 / tape & reel ncv2931ad ? 5.0r2* 5.0 v 3.8% soic ? 8 2500 / tape & reel ncv2931ad ? 5.0r2g* 5.0 v 3.8% soic ? 8 (pb ? free) 2500 / tape & reel ncv2931ast ? 5.0t3* 5.0 v 3.8% sot ? 223 4000 / tape & reel ncv2931ast ? 5.0t3g* 5.0 v 3.8% sot ? 223 (pb ? free) 4000 / tape & reel ncv2931az ? 5.0g* 5.0 v 3.8% to ? 92 (pb ? free) 2000 / inner bag ncv2931az ? 5.0rag* 5.0 v 3.8% to ? 92 (pb ? free) 2000 / tape & reel ncv2931cdr2* adjustable 5.0% soic ? 8 2500 / tape & reel ncv2931cdr2g* adjustable 5.0% soic ? 8 (pb ? free) 2500 / tape & reel ncv2931d ? 5.0r2* 5.0 v 5.0% soic ? 8 2500 / tape & reel ncv2931d ? 5.0r2g* 5.0 v 5.0% soic ? 8 (pb ? free) 2500 / tape & reel ncv2931adt ? 5.0rk* 5.0 v 3.8% dpak 2500 / tape & reel ncv2931adt5.0rkg* 5.0 v 3.8% dpak (pb ? free) 2500 / tape & reel ncv2931dt ? 5.0rk* 5.0 v 5.0% dpak 2500 / tape & reel ncv2931dt ? 5.0rkg* 5.0 v 5.0% dpak (pb ? free) 2500 / tape & reel ncv2931d2t ? 5.0r4* 5.0 v 5.0% d 2 pak 800 / vacpk reel ncv2931d2t5.0r4g* 5.0 v 5.0% d 2 pak (pb ? free) 800 / vacpk reel ?for information on tape and reel specifications, includin g part orientation and tap e sizes, please refer to our tape and reel packaging spe- cifications brochure, brd8011/d. *ncv2931: t low = ? 40 c, t high = +125 c. guaranteed by design. ncv prefix is for automotive and other applications requiring site and change control.
lm2931, ncv2931 series http://onsemi.com 15 soic ? 8 d suffix case 751 a = assembly location wl, l = wafer lot yy, y = year ww, w = work week g or = pb ? free device marking diagrams awlywwg lm 2931at ? 5 to ? 220 t suffix case 221a 2931t ? 5.0 lm to ? 220 t suffix case 221a awlywwg 931a5g alyww dpak dt suffix case 369a 2931g alyww dpak dt suffix case 369a lm 2931ad2t ? 5.0 awlywwg d2pak d2t suffix case 936 lm 2931ad2t ? 5 awlywwg d2pak d2t suffix case 936 lm 2931d2t ? 5 awlywwg d2pak d2t suffix case 936 to ? 220 t suffix case 314d alyww lm 2931actv awlywwg d2pak d2t suffix case 936a lm 2931acd2t awlywwg d2pak d2t suffix case 936a lm 2931ct awlywwg 2931a z ? 5.0 alyw to ? 92 z suffix case 029 2931z ? 5.0 alyw to ? 92 z suffix case 029 heatsink surface connected to pin 2. heatsink surface (shown as terminal 4 in case outline drawing) is connected to pin 2. heatsink surface (shown as terminal 6 in case outline drawing) is connected to pin 3. heatsink surface connected to pin 3. * *this marking diagram also applies to ncv2931. * * * sot ? 223 st suffix case 318h alyw 2931a 1 23 soic ? 8 d suffix case 751 soic ? 8 d suffix case 751 soic ? 8 d suffix case 751 * 2931a alyw 1 8 2931a alyw5 1 8 2931c alyw 1 8 2931 alyw5 1 8
lm2931, ncv2931 series http://onsemi.com 16 package dimensions to ? 92 (to ? 226) case 29 ? 11 issue am notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. contour of package beyond dimension r is uncontrolled. 4. lead dimension is uncontrolled in p and beyond dimension k minimum. r a p j l b k g h section x ? x c v d n n xx seating plane dim min max min max millimeters inches a 0.175 0.205 4.45 5.20 b 0.170 0.210 4.32 5.33 c 0.125 0.165 3.18 4.19 d 0.016 0.021 0.407 0.533 g 0.045 0.055 1.15 1.39 h 0.095 0.105 2.42 2.66 j 0.015 0.020 0.39 0.50 k 0.500 --- 12.70 --- l 0.250 --- 6.35 --- n 0.080 0.105 2.04 2.66 p --- 0.100 --- 2.54 r 0.115 --- 2.93 --- v 0.135 --- 3.43 --- 1 1 2 3 1 2 bent lead tape & reel ammo pack straight lead bulk pack 3 notes: 1. dimensioning and tolerancing per asme y14.5m, 1994. 2. controlling dimension: millimeters. 3. contour of package beyond dimension r is uncontrolled. 4. lead dimension is uncontrolled in p and beyond dimension k minimum. r a p j b k g section x ? x c v d n xx seating plane dim min max millimeters a 4.45 5.20 b 4.32 5.33 c 3.18 4.19 d 0.40 0.54 g 2.40 2.80 j 0.39 0.50 k 12.70 --- n 2.04 2.66 p 1.50 4.00 r 2.93 --- v 3.43 --- 1 t straight lead bulk pack bent lead tape & reel ammo pack
lm2931, ncv2931 series http://onsemi.com 17 to ? 220, single gauge t suffix case 221ab ? 01 issue o notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. dimension z defines a zone where all body and lead irregularities are allowed. dim min max min max millimeters inches a 0.570 0.620 14.48 15.75 b 0.380 0.405 9.66 10.28 c 0.160 0.190 4.07 4.82 d 0.025 0.035 0.64 0.88 f 0.142 0.147 3.61 3.73 g 0.095 0.105 2.42 2.66 h 0.110 0.155 2.80 3.93 j 0.018 0.025 0.46 0.64 k 0.500 0.562 12.70 14.27 l 0.045 0.060 1.15 1.52 n 0.190 0.210 4.83 5.33 q 0.100 0.120 2.54 3.04 r 0.080 0.110 2.04 2.79 s 0.020 0.055 0.508 1.39 t 0.235 0.255 5.97 6.47 u 0.000 0.050 0.00 1.27 v 0.045 --- 1.15 --- z --- 0.080 --- 2.04 b q h z l v g n a k f 123 4 d seating plane ? t ? c s t u r j
lm2931, ncv2931 series http://onsemi.com 18 package dimensions to ? 220 th suffix case 314a ? 03 issue e notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. dimension d does not include interconnect bar (dambar) protrusion. dimension d including protrusion shall not exceed 0.043 (1.092) maximum. dim a min max min max millimeters 0.572 0.613 14.529 15.570 inches b 0.390 0.415 9.906 10.541 c 0.170 0.180 4.318 4.572 d 0.025 0.038 0.635 0.965 e 0.048 0.055 1.219 1.397 f 0.570 0.585 14.478 14.859 g 0.067 bsc 1.702 bsc j 0.015 0.025 0.381 0.635 k 0.730 0.745 18.542 18.923 l 0.320 0.365 8.128 9.271 q 0.140 0.153 3.556 3.886 s 0.210 0.260 5.334 6.604 u 0.468 0.505 11.888 12.827 ? t ? seating plane l s e c f k j optional chamfer 5x d 5x m p m 0.014 (0.356) t g a u b q ? p ? to ? 220 tv suffix case 314b ? 05 issue j v q k f u a b g ? p ? m 0.10 (0.254) p m t 5x j m 0.24 (0.610) t optional chamfer s l w e c h n ? t ? seating plane notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. dimension d does not include interconnect bar (dambar) protrusion. dimension d including protrusion shall not exceed 0.043 (1.092) maximum. dim min max min max millimeters inches a 0.572 0.613 14.529 15.570 b 0.390 0.415 9.906 10.541 c 0.170 0.180 4.318 4.572 d 0.025 0.038 0.635 0.965 e 0.048 0.055 1.219 1.397 f 0.850 0.935 21.590 23.749 g 0.067 bsc 1.702 bsc h 0.166 bsc 4.216 bsc j 0.015 0.025 0.381 0.635 k 0.900 1.100 22.860 27.940 l 0.320 0.365 8.128 9.271 n 0.320 bsc 8.128 bsc q 0.140 0.153 3.556 3.886 s --- 0.620 --- 15.748 u 0.468 0.505 11.888 12.827 v --- 0.735 --- 18.669 w 0.090 0.110 2.286 2.794 5x d
lm2931, ncv2931 series http://onsemi.com 19 package dimensions to ? 220 t suffix case 314d ? 04 issue e ? q ? 12345 u k d g a b 5 pl j h l e c m q m 0.356 (0.014) t seating plane ? t ? dim min max min max millimeters inches a 0.572 0.613 14.529 15.570 b 0.390 0.415 9.906 10.541 c 0.170 0.180 4.318 4.572 d 0.025 0.038 0.635 0.965 e 0.048 0.055 1.219 1.397 g 0.067 bsc 1.702 bsc h 0.087 0.112 2.210 2.845 j 0.015 0.025 0.381 0.635 k 0.990 1.045 25.146 26.543 l 0.320 0.365 8.128 9.271 q 0.140 0.153 3.556 3.886 u 0.105 0.117 2.667 2.972 notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. dimension d does not include interconnect bar (dambar) protrusion. dimension d including protrusion shall not exceed 10.92 (0.043) maximum. sot ? 223 st suffix case 318h ? 01 issue o notes: 1. dimensions are in millimeters. 2. interpret dimensions and tolerances per asme y14.5m, 1994. 3. dimension e1 does not include interlead flash or protrusion. interlead flash or protrusion shall not exceed 0.23 per side. 4. dimensions b and b2 do not include dambar protrusion. allowable dambar protrusion shall be 0.08 total in excess of the b and b2 dimensions at maximum material condition. 5. terminal numbers are shown for reference only. 6. dimensions d and e1 are to be determined at datum plane h. dim min max millimeters a --- 1.80 a1 0.02 0.11 b 0.60 0.88 b1 0.60 0.80 b2 2.90 3.10 b3 2.90 3.05 c 0.24 0.35 c1 0.24 0.30 d 6.30 6.70 e 6.70 7.30 e1 3.30 3.70 e 2.30 e1 4.60 l 0.25 --- 0 10 c1 e h m 0.2 c c a s b b b a a m 0.1 c s a s b e1 b d 4 3 2 1 e e1 m 0.1 c s a s b b2 b a 0.08 a1 c b1 (b) (b2) b3 section b ? bl ??? ??? ??????? ??????? ? a
lm2931, ncv2931 series http://onsemi.com 20 package dimensions dpak dt suffix case 369a ? 13 issue ab d a k b r v s f l g 2 pl m 0.13 (0.005) t e c u j h ? t ? seating plane z dim min max min max millimeters inches a 0.235 0.250 5.97 6.35 b 0.250 0.265 6.35 6.73 c 0.086 0.094 2.19 2.38 d 0.027 0.035 0.69 0.88 e 0.033 0.040 0.84 1.01 f 0.037 0.047 0.94 1.19 g 0.180 bsc 4.58 bsc h 0.034 0.040 0.87 1.01 j 0.018 0.023 0.46 0.58 k 0.102 0.114 2.60 2.89 l 0.090 bsc 2.29 bsc r 0.175 0.215 4.45 5.46 s 0.020 0.050 0.51 1.27 u 0.020 --- 0.51 --- v 0.030 0.050 0.77 1.27 z 0.138 --- 3.51 --- notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 123 4
lm2931, ncv2931 series http://onsemi.com 21 package dimensions soic ? 8 nb case 751 ? 07 issue aj seating plane 1 4 5 8 n j x 45 k notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. 3. dimension a and b do not include mold protrusion. 4. maximum mold protrusion 0.15 (0.006) per side. 5. dimension d does not include dambar protrusion. allowable dambar protrusion shall be 0.127 (0.005) total in excess of the d dimension at maximum material condition. 6. 751 ? 01 thru 751 ? 06 are obsolete. new standard is 751 ? 07. a b s d h c 0.10 (0.004) dim a min max min max inches 4.80 5.00 0.189 0.197 millimeters b 3.80 4.00 0.150 0.157 c 1.35 1.75 0.053 0.069 d 0.33 0.51 0.013 0.020 g 1.27 bsc 0.050 bsc h 0.10 0.25 0.004 0.010 j 0.19 0.25 0.007 0.010 k 0.40 1.27 0.016 0.050 m 0 8 0 8 n 0.25 0.50 0.010 0.020 s 5.80 6.20 0.228 0.244 ? x ? ? y ? g m y m 0.25 (0.010) ? z ? y m 0.25 (0.010) z s x s m 1.52 0.060 7.0 0.275 0.6 0.024 1.270 0.050 4.0 0.155 mm inches scale 6:1 *for additional information on our pb ? free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. soldering footprint*
lm2931, ncv2931 series http://onsemi.com 22 package dimensions d 2 pak d2t suffix case 936 ? 03 issue b 5 ref 5 ref v u terminal 4 notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. tab contour optional within dimensions a and k. 4. dimensions u and v establish a minimum mounting surface for terminal 4. 5. dimensions a and b do not include mold flash or gate protrusions. mold flash and gate protrusions not to exceed 0.025 (0.635) maximum. dim a min max min max millimeters 0.386 0.403 9.804 10.236 inches b 0.356 0.368 9.042 9.347 c 0.170 0.180 4.318 4.572 d 0.026 0.036 0.660 0.914 e 0.045 0.055 1.143 1.397 f 0.051 ref 1.295 ref g 0.100 bsc 2.540 bsc h 0.539 0.579 13.691 14.707 j 0.125 max 3.175 max k 0.050 ref 1.270 ref l 0.000 0.010 0.000 0.254 m 0.088 0.102 2.235 2.591 n 0.018 0.026 0.457 0.660 p 0.058 0.078 1.473 1.981 r s 0.116 ref 2.946 ref u 0.200 min 5.080 min v 0.250 min 6.350 min a 12 3 k f b j s h d g c m 0.010 (0.254) t e m l p n r ? t ? optional chamfer *for additional information on our pb ? free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. soldering footprint* 8.38 0.33 1.016 0.04 17.02 0.67 10.66 0.42 3.05 0.12 5.08 0.20 mm inches scale 3:1
lm2931, ncv2931 series http://onsemi.com 23 package dimensions d 2 pak d2t suffix case 936a ? 02 issue c *for additional information on our pb ? free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. soldering footprint* 5 ref a 123 k b s h d g c e m l p n r v u terminal 6 notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. tab contour optional within dimensions a and k. 4. dimensions u and v establish a minimum mounting surface for terminal 6. 5. dimensions a and b do not include mold flash or gate protrusions. mold flash and gate protrusions not to exceed 0.025 (0.635) maximum. dim a min max min max millimeters 0.386 0.403 9.804 10.236 inches b 0.356 0.368 9.042 9.347 c 0.170 0.180 4.318 4.572 d 0.026 0.036 0.660 0.914 e 0.045 0.055 1.143 1.397 g 0.067 bsc 1.702 bsc h 0.539 0.579 13.691 14.707 k 0.050 ref 1.270 ref l 0.000 0.010 0.000 0.254 m 0.088 0.102 2.235 2.591 n 0.018 0.026 0.457 0.660 p 0.058 0.078 1.473 1.981 r 5 ref s 0.116 ref 2.946 ref u 0.200 min 5.080 min v 0.250 min 6.350 min 45 m 0.010 (0.254) t ? t ? optional chamfer 8.38 0.33 1.016 0.04 16.02 0.63 10.66 0.42 3.05 0.12 1.702 0.067 scale 3:1 mm inches on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to mak e changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for an y particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including wi thout limitation special, consequential or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or specifications can and do vary in different application s and actual performance may vary over time. all operating parameters, including ?typicals? must be validated for each customer application by customer?s technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its of ficers, employees, subsidiaries, af filiates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, direct ly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright laws and is not for resale in any manner. lm2931/d publication ordering information n. american technical support : 800 ? 282 ? 9855 toll free usa/canada europe, middle east and africa technical support: phone: 421 33 790 2910 japan customer focus center phone: 81 ? 3 ? 5773 ? 3850 literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 303 ? 675 ? 2175 or 800 ? 344 ? 3860 toll free usa/canada fax : 303 ? 675 ? 2176 or 800 ? 344 ? 3867 toll free usa/canada email : orderlit@onsemi.com on semiconductor website : www.onsemi.com order literature : http://www.onsemi.com/orderlit for additional information, please contact your local sales representative

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