technical data low drop regulator with signal interface logic circuit for automotive IK1101 description the ic is linear voltage regulator 5v with low dropout voltage typically 80mv at light loads and less then 400mv at full loads, with better then 4% output voltage accura cy. in additional ic have logical blokes for additional functions. rev. 01 feature ? voltage regulator 5v with 4% output voltage accuracy ? low dropout voltage 0.4v max ? load current 150ma max ? logical blokes for internal back light control ? over voltage & over temperature protection ? short current protection ? 60v load dump protection ? satisfied with aec-q100 standard pin description ordering information IK1101 8sop t a = -40 to 125 c for package blk led lit rs gnd 04 05 03 06 02 07 vin acc 01 08 vout pin name function 01 acc input acc 02 vout output regulator voltage 5 v and power supply logic block 03 vin input voltage 04 gnd ground 05 led output led 06 lit input lit 07 rs input rs 08 blk output blk
IK1101 functional diagram 04 q6 q7 03 15k q1 7.6k 0.1k 1.5k 5.7v 9.8 k lit rs gnd 02 vout vin 08 05 07 06 01 voltage regulator 5v acc blk led maximum ratings (ta=25 o c) symbol characteristics rating units vin operating input voltage 29 v iout output current 150 ma acc input voltage -3.0 24 v lit input voltage 5 v rs input current 5 ma led output voltage 24 v ta operating temperature from-40 to 85 o c pd power dissipation 500 mw tj junction temperature 150 o c rev. 01
IK1101 rev. 01 dc electrical characterictics (unless otherwise specified vin= 14v, iout=10ma, cout=47f, tj=25 o c) parameter symbol conditions min type max units voltage regulator output voltage vout 5.35v vin 26v 10ma iout 100ma 4.8 5.0 5.2 v voltage regulation reg-line 5.35v vin 26v 15 mv load regulation reg-load 10ma iout 100ma 100 mv dropout voltage vd iout =50ma iout =100ma 0.2 0.4 v quiescent current iq acc, lit, rs, led, blk ? open iout =0 a 1.0 ma logic blokes high level output voltage blk v oh acc=2 ~ 5v, iload= - 0.5ma vcc - 1.2v v low level output voltage blk v ol acc=0.2v, iload=0.1ma 1.5 v input current acc iin acc=5v 1.0 ma lit lit=5v, rs=0.1 ma 4.0 ma input leakage current led i leakage lit=5v, rs=0.1 ma led=24v 10 a saturation voltage led vsat lit=5v iload =50ma iload =100ma 0.5 0.7 v
IK1101 ac electrical characteristics (unless otherwise specified vin=13v , iout=10ma, cout=47f, tj=25 o c) parameter sumbol conditions min typ max units propagation delay from acc in to blk tp lh tp hl c l =100pf 65 400 ns propagation delay (*1) from rs to led tp lh tp hl lit = 5v r l =260 om, c l =100pf 50 75 ns *1-see circuit in ac test schematic logical bloks rev. 01
IK1101 voltage regulator schematic dimensioning information on external components the input capacitor c i is necessary for compensating li ne influences. the output capacitor c q is necessary for the stability of the regulating ci rcuit. stability is guaranteed at values c q 10 f and an esr 10? within the operating temperature range. rev. 01
IK1101 typical characteristics rev. 01
IK1101 rev. 01
IK1101 pkg dimension d suffix soic (ms - 012aa) symbol min max a 4.80 5.00 b 3.80 4.00 c 1.35 1.75 d 0.33 0.51 f 0.40 1.27 g h j 0 8 notes: k 0.10 0.25 1. dimensions a and b do not include mold flash or protrusion. m 0.19 0.25 2. maximum mold flas h or protrus ion 0.15 mm (0.006) per s ide p 5.80 6.20 for a; for b ? 0.25 mm (0.010) per s ide. r 0.25 0.50 1.27 5.72 dimens ion, mm a b h c k c m j f m p g d r x 45 seating plane 0.25 (0.010) m t -t- 1 8 4 5 rev. 01
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