1 date: 1/17/05 spx2975 400ma low dropout voltage regulator ? copyright 2005 si pex corporation 400ma low dropout voltage regulator spx2975 description features 5v fixed output high accuracy very low current consumption: 60 a power-on and under voltage reset reset low down to v out = 1v extremely low dropout voltage short circuit protection programmable safety timer 4kv esd protection ? sipex?s spx2975 is a low dropout linear regulator with integrated pnp pass transistor. the part is available in a 5 pin to-220 package or surface mount to-263. the part used to convert an automotive battery voltage, with allowable input up to 45v, down to 5v with at least 400ma output current delivered. internal power consumption is kept to 60ua ideal for applications where micro- power operation is important. at over-temperature the spx2975 is turned off by the integrated temperature protection circuit. a reset signal is generated for a typical output voltage of 4.65v with a time delay that can be programmed by an external delay capacitor. typical aplication circuit spx2975 i 1000 f v out i in c 12 c 11 100nf v in v rd c d 47nf rd i gnd gnd i out v out ro i ro r ext 5k ? c q 22 f 1 4 5 2 3 i rd,c i rd,d v rd applications automotive electronics wireless station industrial systems now available in lead free packaging 3 2 1 spx2975 5 pin to-220 i gnd v out rd 4 5 ro 12345 spx2975 5 pin to-263 i gnd v out rd ro
2 date: 1/17/05 spx2975 400ma low dropout voltage regulator ? copyright 2005 si pex corporation input voltage ...................................................................... -42v to 45v output voltage .................................................................... -1.0 to 16v output current ............................................................ internally limited reset output voltage .......................................................... -0.3 to 25v reset output current ..................................................... -5ma to +5ma reset delay voltage ........................................................ -0.3v to 7.0v reset delay current ......................................................... -2ma to 2ma storage temperature .................................................. -50 c to +150 c junction temperature.(note 1) ................................... -40 c to +150 c t ja (to-252)............................................................................... 78 c/w t ja (to-220)............................................................................... 65 c/w t ja (to-263)............................................................................... 53 c/w t jc (to-220, t0 263, and to-252).............................................. 4 c/w these are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. exposure to absolute maximum rating conditions for extended periods of time may affect reliability. electrical characteristics v in = 13.5v; -40 c < t j < 150 c. unless otherwise specified. absolute maximum ratings note 1: measured when the output voltage (vout) has dropped 100mv form the nominal value obtained at vin=13.5v r e t e m a r a pm y s. n i m. p y t. x a ms t i n us n o i t i d n o c e g a t l o v t u p n iv i 5 . 52 4v e r u t a r e p m e t n o i t c n u jt j 0 4 -0 5 1 o c e g a t l o v t u p t u ov q 9 . 40 . 51 . 5 v i < a m 5 q v < v 6 , a m 0 0 4 < i v 8 2 < 9 . 40 . 51 . 5i < a m 5 q v < v 6 , a m 0 0 2 < i v 0 4 < 9 . 45 2 . 5i a 0 0 1 q v < v 6 , a m 5 i v 8 2 < n o i t a t i m i l t n e r r u c t u p t u oi q 0 5 40 0 7a m n o i t p m u s n o c t n e r r u ci q 0 60 0 1 a i t u o t , a 0 0 1 = j 5 2 = o c 0 60 2 1i t u o 0 0 1 =t , a j 5 8 = o c 0 70 8 1i t u o t , a m 1 = j 5 2 = o c 0 70 0 2i t u o t , a m 1 = j 5 8 = o c 70 1 a m i t u o a m 0 5 2 = 7 12 2i t u o a m 0 0 4 = ) 1 e t o n ( e g a t l o v t u o p o r dv r d 0 5 30 0 5v mi t u o v , a m 0 0 3 = o d v = t u o -v n i n o i t a l u g e r d a o l ? v q 0 3 -50 3 v m i t u o a m 0 0 4 o t a m 5 = 0 0 2 -0 0 2i t u o i a 0 0 1 = q a m 5 n o i t a l u g e r e n i l ? v q 5 1 -25 1v mv n i i , v 2 3 o t v 8 = t u o a m 5 = r r s p r r s p 0 6b df r v ; z h 0 0 1 = r p p v 5 . 0 = e g a t l o v t u p t u o e r u t a r e p m e t t f i r d v d q t d /2 . 0k / v m d l o h s e r h t g n i h c t i w s t e s e rv t r 1 5 . 45 6 . 48 . 4vv h t e g a t l o v w o l t u p t u o t e s e rv l q r 2 . 04 . 0vr t x e v ; ? k 5 t u o v 1 > e g a k a e l t u p t u o t e s e r t n e r r u c i h q r 00 1a v h o r v 5 = t n e r r u c g n i g r a h c t e s e ri d 0 . 35 . 50 . 9a v d r v 1 = d l o h s e r h t g n i m i t r e p p uv u d 5 . 18 . 12 . 2vh t v h d l o h s e r h t g n i m i t r e w o lv l d 2 . 04 . 07 . 0vh t v l e m i t y a l e d t e s e rt d 0 16 12 2s mc o d t , f n 7 4 = e m i t n o i t c a e r t e s e rt r r 5 . 00 . 2s c o v r t , f n 7 4 =
3 date: 1/17/05 spx2975 400ma low dropout voltage regulator ? copyright 2005 si pex corporation pin description pin number pin name description 1v in ldo input. bypass v in to gnd with a ceramic capacitor. 2r o reset output. ro remains low while v out is below the reset switching threshold. ro is in open conector output. 3 gnd ground. this pin also functions as a heatsink. solder to large pads or the circuit-board ground plane to maximize thermal dissipation. 4r d reset delay. rd connects capacitor to gnd for setting delay time. 5v out ldo output. bypass v out to gnd with a minimum 22 f capacitor with esr less than 5 ? at 10khz. buffer t emperature sensor current limit bandgap reference 4 1 v in rd saturation control & protection circuit reset generator 3 gnd 2 ro v out 5 functional diagram reset timing v i v q v d 4 date: 1/17/05 spx2975 400ma low dropout voltage regulator ? copyright 2005 si pex corporation tpyical performance characteristics output current limit vs temperature 0 100 200 300 400 500 600 700 800 -40 -20 0 20 40 60 80 100 120 140 160 temperature (oc) i out (ma) dropout voltage vdr vs output current i q 0 200 400 600 800 1000 1200 0 100 200 300 400 500 600 output current iq dropout voltage vdr (mv) 125c 25c current consumption iq vs output current iq 0 1 2 3 0204 06080 100 120 output current i q (ma) i q (ma) current consumption iq vs output current i q 0 10 20 30 40 50 60 0 100 200 300 400 500 600 output current i q (ma) i q (ma) iq vs temperature 0e+00 1e-05 2e-05 3e-05 4e-05 5e-05 6e-05 7e-05 8e-05 9e-05 -40 10 60 110 160 temperature (c) iq (a) iload = 100ua iload = 1ma iq vs temperature 0.0e+00 5.0e-03 1.0e-02 1.5e-02 2.0e-02 2.5e-02 -40 10 60 110 160 temperature (c) iq (a) iload = 250ma i load = 400ma
5 date: 1/17/05 spx2975 400ma low dropout voltage regulator ? copyright 2005 si pex corporation tpyical performance characteristics load regulation vs temperature 0.000 0.005 0.010 0.015 0.020 0.025 0.030 -40 10 60 110 160 temperature (c) load regulation (v) reset threshold vs temperature 4.5 4.55 4.6 4.65 4.7 4.75 4.8 -40 10 60 110 160 temperature (c) reset threshold (v) v out vs temperature 4.80 4.85 4.90 4.95 5.00 5.05 5.10 5.15 5.20 -40 10 60 110 160 temperature (c) v out @ 42v (v) reset delay vs temperature 0.010 0.012 0.014 0.016 0.018 0.020 0.022 -40 10 60 110 160 temperature (c) reset delay time (sec)
6 date: 1/17/05 spx2975 400ma low dropout voltage regulator ? copyright 2005 si pex corporation tpyical performance characteristics v in vs. v out , rl= 25?, temp = 125oc 0 1 2 3 4 5 6 0 2.5 5 10 2 03040 vin ( v ) v out (v) v in vs. v out , rl = 25?, temp = 25oc 0 1 2 3 4 5 6 02.5 5 102 03040 vin (v) v out (v) i out vs. v in , temp = 125oc, rl = 25? 0 50 100 150 200 250 0 2.5 5 10 2 03040 v in (v) i out (ma) i out vs v in , temp = 25oc, rl = 25? 0 50 100 150 200 250 0 2.5 5 10 2 03040 v in (v) i out (ma) v out vs temp, v in = 13.5 v 4.93 4.94 4.95 4.96 4.97 4.98 4.99 5 5.01 5.02 -40 -20 0 20 40 60 80 100 120 140 temp (oc) v out (v) chrage i vs temp, v in = 13.5v, v d = 1v 5.45 5.5 5.55 5.6 5.65 5.7 5.75 -40 -20 0 20 40 60 80 100 120 140 temp (oc) charge i (ua) v d lower threshold vs. temp, v in = 13.5v 0 0.1 0.2 0.3 0.4 0.5 -40 -20 0 20 40 60 80 100 120 140 temp (deg c) v d lower threshold (v) v d upper threshold vs. temp, v in = 13.5v 1.86 1.86 1.86 1.86 1.86 1.86 1.86 1.86 -40 -20 0 20 40 60 80 100 120 140 temp (oc) vd upper threshold ( v)
7 date: 1/17/05 spx2975 400ma low dropout voltage regulator ? copyright 2005 si pex corporation i_limit vs. temp, v in = 13.5v 0.65 0.7 0.75 0.8 0.85 0.9 -40 -20 0 20 40 60 80 100 120 140 temp (oc) i limit ( ma) load regulation vs. temp v in =13.5 v, i q = 100a and 400ma 0 0.002 0.004 0.006 0.008 0.01 0.012 -40 -20 0 20 40 60 80 100 120 140 temp (oc) load reg (v) reset threshold vs. temp, v in = 13.5v 4.52 4.54 4.56 4.58 4.6 4.62 -40 -20 0 20 40 60 80 100 120 140 temp (oc) reset threshold (v) reset delay vs. temp, v in = 13.5v 14.8 15 15.2 15.4 15.6 15.8 16 -40 -20 0 20 40 60 80 100 120 140 temp (oc) reset delay (msec) tpyical performance characteristics
8 date: 1/17/05 spx2975 400ma low dropout voltage regulator ? copyright 2005 si pex corporation package: 5 pin to-220 h1 b seating plane a1 a chamfer optional c a2 a a c with plating base metal b contact area l c c dd b e1 e e ?p q d d1 e2 e/2 l1 1 e symbol min nom max a 0.16 - 0.19 a1 0.02 - 0.055 a2 0.08 - 0.115 b 0.015 0.027 0.04 b2 0.045 - 0.07 c 0.014 - 0.024 d 0.56 - 0.65 d1 0.33 - 0.355 d2 0.48 - 0.507 e 0.38 - 0.42 e1 0.27 - 0.35 e2 - - 0.03 e e1 h1 0.23 - 0.27 l1 - - 0.25 l2 --- ?p 0.139 - 0.161 q 0.1 - 0.135 note: dimensions in (mm) 5 pin to-220 jedec to-220 (ac) variation .100 bsc .100 bsc symbol min nom max a 0.006 - 0.007 a1 0.001 - 0.002 a2 0.003 - 0.005 b 0.001 0.001 0.002 b2 0.002 - 0.003 c 0.001 - 0.001 d 0.022 - 0.026 d1 0.013 - 0.014 d2 0.019 - 0.020 e 0.015 - 0.017 e1 0.011 - 0.014 e2 - - 0.001 e e1 h1 0.009 - 0.011 l1 - - 0.010 l2 --- ?p 0.005 - 0.006 q 0.004 - 0.005 note: dimensions in (inch) 5 pin to-220 jedec to-220 (ac) variation .004 bsc .004 bsc
9 date: 1/17/05 spx2975 400ma low dropout voltage regulator ? copyright 2005 si pex corporation package: 5 pin to-263 c with plating base metal (b) contact area d1 l1 (e) e1 l 0o-8o l3 symbol min nom max a 0.16 - 0.19 a1 0 - 0.01 b 0.02 - 0.039 c 0.015 - 0.029 c2 0.45 - 0.23 d1 0.27 - - e 0.38 - 0.42 e1 0.245 - - e h 0.575 - 0.625 l 0.07 - 0.11 l1 - - 0.066 l2 - - 0.07 l3 note: dimensions in (mm) 5 pin to-263 jedec to-263 (bb) variation .067 bsc .010 bsc symbol min nom max a 0.006 - 0.007 a1 0.000 - 0.000 b 0.001 - 0.002 c 0.001 - 0.001 c2 0.018 - 0.009 d1 0.011 - - e 0.015 - 0.017 e1 0.010 - - e h 0.023 - 0.025 l 0.003 - 0.004 l1 - - 0.003 l2 - - 0.003 l3 note: dimensions in (inch) 5 pin to-263 jedec to-263 (bb) variation .026 bsc .004 bsc c c2 a h seating plane 1 23 4 5 e e l2 5x b e 4x (datum a)
10 date: 1/17/05 spx2975 400ma low dropout voltage regulator ? copyright 2005 si pex corporation package: 5 pin to-252 http://www.omedata.com l1 ro.012 7o 7o gauge plane 0.002 min 4o 4o symbol min nom max a 0.086 0.090 0.094 b b3 0.205 0.210 0.215 b4 - 0.110 - c 0.020 0.021 0.022 c2 0.018 0.020 0.022 c3 0.037 0.040 0.043 d 0.235 0.240 0.245 d1 0.184 0.189 0.194 e 0.253 0.258 0.263 e 0.045 typ h 0.390 typ l1 0.051 0.053 0.055 l2 - 0.013 - l3 0.037 0.042 0.047 l4 0.028 0.032 0.036 note: dimensions in (inches) 0.020 typ l c a1 a c2 c3 7o e b3 l4 b e d h d1 l3 b4 l2 symbol min nom max a 2.18 2.29 2.39 b b3 5.21 5.33 5.46 b4 - 2.79 - c 0.51 0.53 0.56 c2 0.46 0.51 0.56 c3 0.94 1.02 1.09 d 5.97 6.10 6.22 d1 4.67 4.80 4.93 e 6.43 6.55 6.68 e h 9.91 typ l1 1.30 1.35 1.40 l2 - 0.33 - l3 0.94 1.07 1.19 l4 0.71 0.81 0.91 note: dimensions in (mm) 0.51 typ 1.14 typ
11 date: 1/17/05 spx2975 400ma low dropout voltage regulator ? copyright 2005 si pex corporation ordering information part number accuracy output voltage package type spx2975r5-5.0 ................. .........2% ......................... 5.0v ..................... 5 lead to-252 spx2975r5-5.0/tr ........... .........2% ......................... 5.0v ..................... 5 lead to-252 spx2975t5-5.0 ................. .........2% ......................... 5.0v ..................... 5 lead to-263 spx2975t5-5.0/tr ........... .........2% ......................... 5.0v ..................... 5 lead to-263 spx2975u5-5.0 ................. .........2% ......................... 5.0v ..................... 5 lead to-220 corporation analog excellence sipex corporation headquarters and sales office 233 south hillview drive milpitas, ca 95035 tel: (408) 934-7500 fax: (408) 935-7600 sipex corporation reserves the right to make changes to any products described herein. sipex does not assume any liability aris ing out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor t he rights of others. /tr = tape and reel pack quantity is 500 for to-263 and 2,000 for to-252. available in lead free packaging. to order add "-l" suffix to part number. example: spx2975t5-5.0/tr = standard; spx2975t5-5.0-l/tr = lead free click here to order samples
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