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1 gm 6250 300ma ultra low dropout positive voltage regulator gm6250 v 2.0 4 ww w . g am ma mi c r o . c o m.tw gm6250 - x.x v in v out v ss c in 1f (tantalum) v in r l c out 1f (tantalum) application palmtops portable cameras video recorders battery powered equipment reference voltage sources t ypical application circuits descriptio n gm6250 combine s high accuracy with very low power consumption, and provides high output current even when the application requires extremely low input - output voltage dropout. gm6250 includes a precision voltage reference, an error correction circuit, ove r - temperature protection, and a current limited output driver. fast transient response to load variations provides excellent stability under dynamic load s. gm6250 comes in sot - 23 (150mw), and so t - 89 (500mw) . features ? operating at low output current from 1 a ? maximum output current up 300ma ? output voltage from 1.5v to 5.0v in 0.1v increments ? output voltage accuracy : 2% ? cmos low power consumption, typically 1.0a at v out = 5.0v ? input stability : typically 0.2%/v ? ultra low dropout voltage: 0.38v @ i out = 200 mv at v out = 5.0v ? sot - 23 (150mw), so t - 89 (500mw) and to - 92 packages
2 gm 6250 v 2.0 4 gm 6250 300ma ultr a low dropout positive voltage regulator marking information and pin configurations (top view) sot23 to92 sot89 ea: device code v: voltage code (see next page) y: year (8 = 2008, 9 = 2009 .) w: week c ode w eek 1 - 26 : a C z w eek 27 - 52 : a - z w eek 53 : a vv: voltage suffix (18 = 1.8v, 50 = 5.0v) a: assembly site code y: year (8 = 2008, 9 = 2009 .) ww: week code marking information and pin configurations C green product (top view) sot23 to92 sot89 ea : device code, green product v: voltage code (see next page) y: year (8 = 2008, 9 = 2009 .) w: week c ode w eek 1 - 26 : a C z w eek 27 - 52 : a - z w eek 53 : a g: green product vv: voltage suffix (18 = 1.8v, 50 = 5.0v) a: assembly site code y: year (8 = 2008, 9 = 2009 .) ww: week code gm6250 vvayww 1 v ss 2 v in 3 v out eavyw 1 v ss v in 2 3 v out 6250 vv ayww 1 v ss 2 v in 3 v out gm6250 g vvayww 1 v ss 2 v in 3 v out ea vyw 1 v ss v in 2 3 v out 6250 g vv ayww 1 v ss 2 v in 3 v out
3 gm 6250 300ma ultra low dropout positive voltage regulator gm6250 v 2.0 4 ordering information ordering n u mber output voltage voltage code packa g e shipping gm6250 - 1.5t92b 1.5v to - 92 1,000 units/bag gm6250 - 1.5t92rl to - 92 2,000 units /ammo pack (tape) gm6250 - 1.5st23r c sot - 23 3,000 units/tape and reel gm6250 - 1.5st89r sot - 89 1,000 units/tape and reel gm6250 - 1.8t92b 1.8v to - 92 1,000 units/bag gm6250 - 1.8t92rl to - 92 2,000 units/ammo pack (tape) gm6250 - 1.8st23r e sot - 23 3,000 un its/tape and reel gm6250 - 1.8st89r sot - 89 1,000 units/tape and reel gm6250 - 2.2t92b 2.2v to - 92 1,000 units/bag gm6250 - 2.2t92rl to - 92 2,000 units/ammo pack (tape) gm6250 - 2.2st23r d sot - 23 3,000 units/tape and reel gm6250 - 2.2st89r sot - 89 1,000 uni ts/tape and reel gm6250 - 2.5t92b 2.5v to - 92 1,000 units/bag gm6250 - 2.5t92rl to - 92 2,000 units/ammo pack (tape) gm6250 - 2.5st23r g sot - 23 3,000 units/tape and reel gm6250 - 2.5st89r sot - 89 1,000 units/tape and reel gm6250 - 2.7t92b 2.7v to - 92 1,000 un its/bag gm6250 - 2.7t92rl to - 92 2,000 units/ammo pack (tape) gm6250 - 2.7st23r t sot - 23 3,000 units/tape and reel gm6250 - 2.7st89r sot - 89 1,000 units/tape and reel gm6250 - 2.8t92b 2.8v to - 92 1,000 units/bag gm6250 - 2.8t92rl to - 92 2,000 units/ammo pac k (tape) gm6250 - 2.8st23r h sot - 23 3,000 units/tape and reel gm6250 - 2.8st89r sot - 89 1,000 units/tape and reel gm6250 - 2.85t92b 2.85v to - 92 1,000 units/bag gm6250 - 2.85t92rl to - 92 2,000 units/ammo pack (tape) gm6250 - 2.85st23r i sot - 23 3,000 units/t ape and reel gm6250 - 2.85st89r sot - 89 1,000 units/tape and reel gm6250 - 3.0t92b 3.0v to - 92 1,000 units/bag gm6250 - 3.0t92rl to - 92 2,000 units/ammo pack (tape) gm6250 - 3.0st23r j sot - 23 3,000 units/tape and reel gm6250 - 3.0st89r sot - 89 1,000 units/t ape and reel
4 gm 6250 v 2.0 4 gm 6250 300ma ultr a low dropout positive voltage regulator ordering information (continued) ordering n u mber output voltage voltage code packa g e shipping gm6250 - 3.2t92b 3.2v to - 92 1,000 units/bag gm6250 - 3.2t92rl to - 92 2,000 units/ammo pack (tape) gm6250 - 3.2st23r u sot - 23 3,000 units/tape and reel gm6250 - 3.2st89r sot - 89 1,000 units/tape and reel gm6250 - 3.3t92b 3.3v to - 92 1,000 units/bag gm6250 - 3.3t92rl to - 92 2,000 units/ammo pack (tape) gm6250 - 3.3st23r k sot - 23 3,000 units/tape and reel gm6250 - 3.3st89r sot - 89 1,000 units/tape a nd reel gm6250 - 3.5t92b 3.5v to - 92 1,000 units/bag gm6250 - 3.5t92rl to - 92 2,000 units/ammo pack (tape) gm6250 - 3.5st23r v sot - 23 3,000 units/tape and reel gm6250 - 3.5st89r sot - 89 1,000 units/tape and reel gm6250 - 3.6t92b 3.6v to - 92 1,000 units/bag gm6250 - 3.6t92rl to - 92 2,000 units/ammo pack (tape) gm6250 - 3.6st23r l sot - 23 3,000 units/tape and reel gm6250 - 3.6st89r sot - 89 1,000 units/tape and reel gm6250 - 4.0t92b 4.0v to - 92 1,000 units/bag gm6250 - 4.0t92rl to - 92 2,000 units/ammo pack (tape) gm6250 - 4.0st23r m sot - 23 3,000 units/tape and reel gm6250 - 4.0st89r sot - 89 1,000 units/tape and reel gm6250 - 4.4t92b 4.4v to - 92 1,000 units/bag gm6250 - 4.4t92rl to - 92 2,000 units/ammo pack (tape) gm6250 - 4.4st23r w sot - 23 3,000 units/tape and reel gm6250 - 4.4st89r sot - 89 1,000 units/tape and reel gm6250 - 4.5t92b 4.5v to - 92 1,000 units/bag gm6250 - 4.5t92rl to - 92 2,000 units/ammo pack (tape) gm6250 - 4.5st23r n sot - 23 3,000 units/tape and reel gm6250 - 4.5st89r sot - 89 1,000 units/tape and reel gm6250 - 5.0t92b 5.0v to - 92 1,000 units/bag gm6250 - 5.0t92rl to - 92 2,000 units/ammo pack (tape) gm6250 - 5.0st23r q sot - 23 3,000 units/tape and reel gm6250 - 5.0st89r sot - 89 1,000 units/tape and reel
5 gm 6250 300ma ultra low dropout positive voltage regulator gm6250 v 2.0 4 ordering information C green product ordering n u mber output voltage voltage code packa g e shipping gm6250 - 1.5t92b g 1.5v to - 92 1,000 units/bag gm6250 - 1.5t92rl g to - 92 2,000 units/ammo pack (tape) gm6250 - 1.5st23r g c sot - 23 3,000 units/tape and reel gm6250 - 1.5st89r g sot - 89 1,000 units/tape and reel gm6250 - 1.8t92b g 1.8v to - 92 1,000 units/bag gm6250 - 1.8t92rl g to - 92 2,000 units/ammo pack (tape) gm6250 - 1.8st23r g e sot - 23 3,000 units/tape and reel gm6250 - 1.8st89r g sot - 89 1,000 units/tape and reel gm6250 - 2.2t92b g 2.2v to - 92 1,000 units/bag gm 6250 - 2.2t92rl g to - 92 2,000 units/ammo pack (tape) gm6250 - 2.2st23r g d sot - 23 3,000 units/tape and reel gm6250 - 2.2st89r g sot - 89 1,000 units/tape and reel gm6250 - 2.5t92b g 2.5v to - 92 1,000 units/bag gm6250 - 2.5t92rl g to - 92 2,000 units/ammo pack (tap e) gm6250 - 2.5st23r g g sot - 23 3,000 units/tape and reel gm6250 - 2.5st89r g sot - 89 1,000 units/tape and reel gm6250 - 2.7t92b g 2.7v to - 92 1,000 units/bag gm6250 - 2.7t92rl g to - 92 2,000 units/ammo pack (tape) gm6250 - 2.7st23r g t sot - 23 3,000 units/tape a nd reel gm6250 - 2.7st89r g sot - 89 1,000 units/tape and reel gm6250 - 2.8t92b g 2.8v to - 92 1,000 units/bag gm6250 - 2.8t92rl g to - 92 2,000 units/ammo pack (tape) gm6250 - 2.8st23r g h sot - 23 3,000 units/tape and reel gm6250 - 2.8st89r g sot - 89 1,000 units/ta pe and reel gm6250 - 2.85t92b g 2.85v to - 92 1,000 units/bag gm6250 - 2.85t92rl g to - 92 2,000 units/ammo pack (tape) gm6250 - 2.85st23r g i sot - 23 3,000 units/tape and reel gm6250 - 2.85st89r g sot - 89 1,000 units/tape and reel gm6250 - 3.0t92b g 3.0v to - 92 1,0 00 units/bag gm6250 - 3.0t92rl g to - 92 2,000 units/ammo pack (tape) gm6250 - 3.0st23r g j sot - 23 3,000 units/tape and reel gm6250 - 3.0st89r g sot - 89 1,000 units/tape and reel
6 gm 6250 v 2.0 4 gm 6250 300ma ultr a low dropout positive voltage regulator ordering information C green product (continued) ordering n u mber output vo ltage voltage code packa g e shipping gm6250 - 3.2t92b g 3.2v to - 92 1,000 units/bag gm6250 - 3.2t92rl g to - 92 2,000 units/ammo pack (tape) gm6250 - 3.2st23r g u sot - 23 3,000 units/tape and reel gm6250 - 3.2st89r g sot - 89 1,000 units/tape and reel gm6250 - 3.3t9 2b g 3.3v to - 92 1,000 units/bag gm6250 - 3.3t92rl g to - 92 2,000 units/ammo pack (tape) gm6250 - 3.3st23r g k sot - 23 3,000 units/tape and reel gm6250 - 3.3st89r g sot - 89 1,000 units/tape and reel gm6250 - 3.5t92b g 3.5v to - 92 1,000 units/bag gm6250 - 3.5t92rl g to - 92 2,000 units/ammo pack (tape) gm6250 - 3.5st23r g v sot - 23 3,000 units/tape and reel gm6250 - 3.5st89r g sot - 89 1,000 units/tape and reel gm6250 - 3.6t92b g 3.6v to - 92 1,000 units/bag gm6250 - 3.6t92rl g to - 92 2,000 units/ammo pack (tape) gm6250 - 3.6 st23r g l sot - 23 3,000 units/tape and reel gm6250 - 3.6st89r g sot - 89 1,000 units/tape and reel gm6250 - 4.0t92b g 4.0v to - 92 1,000 units/bag gm6250 - 4.0t92rl g to - 92 2,000 units/ammo pack (tape) gm6250 - 4.0st23r g m sot - 23 3,000 units/tape and reel gm625 0 - 4.0st89r g sot - 89 1,000 units/tape and reel gm6250 - 4.4t92b g 4.4v to - 92 1,000 units/bag gm6250 - 4.4t92rl g to - 92 2,000 units/ammo pack (tape) gm6250 - 4.4st23r g w sot - 23 3,000 units/tape and reel gm6250 - 4.4st89r g sot - 89 1,000 units/tape and reel g m6250 - 4.5t92b g 4.5v to - 92 1,000 units/bag gm6250 - 4.5t92rl g to - 92 2,000 units/ammo pack (tape) gm6250 - 4.5st23r g n sot - 23 3,000 units/tape and reel gm6250 - 4.5st89r g sot - 89 1,000 units/tape and reel gm6250 - 5.0t92b g 5.0v to - 92 1,000 units/bag gm625 0 - 5.0t92rl g to - 92 2,000 units/ammo pack (tape) gm6250 - 5.0st23r g q sot - 23 3,000 units/tape and reel gm6250 - 5.0st89r g sot - 89 1,000 units/tape and reel
7 gm 6250 300ma ultra low dropout positive voltage regulator gm6250 v 2.0 4 absolute maximum ratings parameter symbol ratings units input voltage v in 12 v output curre nt i out 500 ma output voltage v out v ss C 0.3 to v in +0.3 v continuous total power dissipation sot - 23 p d 150 mw sot - 89 500 to - 92 300 operating ambient temperature t a - 4 0 to 125 storage temperature t stg - 65 to 150 lead temperature (solderi ng, 10 sec) + 260 block diagram v out voltage reference current limit v in v ss
8 gm 6250 v 2.0 4 gm 6250 300ma ultr a low dropout positive voltage regulator electrical characteristics (t a = 25 , v in = v out + 1v unless otherwise noted) parameter symbol condition m in t yp m ax u nit output voltage gm6250 - 1.5 v out i out = 40ma, v in = v out + 1v 1.470 1.500 1.530 v gm6250 - 2.2 2.156 2.200 2.244 gm6250 - 2.5 2.450 2.500 2.550 gm6250 - 2.7 2.646 2.700 2.754 gm6250 - 2.8 2,744 2.800 2.856 gm6250 - 3.0 2.940 3.000 3.060 gm6250 - 3.2 3.136 3.200 3.264 gm6250 - 3.3 3.234 3.300 3.36 6 gm6250 - 3.5 3.430 3.500 3.570 gm6250 - 3.6 3.528 3.600 3.672 gm6250 - 4.0 3.920 4.000 4.080 gm6250 - 4.4 4.312 4.400 4.488 gm6250 - 4.5 4.410 4.500 4.590 gm6250 - 5.0 4.900 5.000 5.100 output accuracy gm6250 - x.x i out = 1ua, v in = 9 v - 5% 5% % line regulation ? v oi i out = 40ma, v out + 1v ? v in ? 10v 0.2 0.3 %/v load regulation ? v ol 1ma ? i out ? 80ma 0.02 0.03 %/ma dropout voltage v out > 2. 7 v ? v i out = 1 6 0ma 0.4 0.7 v 2.0v ? v out ? 2. 7 v 0.55 0.85 v out ? 2.0v 0.9 1.3 current consumption i q 1.0 2.9 a output current limit i cl 500 ma power supply rejection ration psrr 10khz 10 db
9 gm 6250 300ma ultra low dropout positive voltage regulator gm6250 v 2.0 4 application note notes on usage 1. it is recommended to operate the gm6250 series within the stipulated absolute maximum ratings as the ic is liable to malfunction it is operated outside the ratings. 2. there is a possibility of heat or oscillation as a result of the impedance present between the power supply and the ic's input. where impedance is greater 10? , it is recommend to use a capacitor (c in ) of at least 1 f at the input terminal. 3. with a large output current, operations can be stabili z ed by increasing capacitor size (c in ). if c in is too small and capacit ance of (c l ) is increased, there is a possibility of oscillation due to input impedance. in such case, operati on can be stabili z ed by either increasing the size of c in or decreasing the size of c l . 4. please ensure the output current ( i ou t ) is less than pd ( v in - v ou t ) and does not exceed the stipulated continuous for total power dissipation value (pd) for the pack age. calculating power dissi p ation the gm6250 series precision linear regulators include thermal shutdown and current limit circuitry to protect the devices. however, high power regulators normally operate at high junction temperatures so it is important to calculate the power dissipation and junction temperatures accurately to be sure that you use and adequate heat sink. the thermal characteristics of an ic depend four factors: 1. maximum ambient t emperature t a ( ) 2. power dissipation p d (watts) 3. maximum junction t emperature t j ( ) 4. thermal resistance junction to ambient r ja ( / w) these relationship of these four factors is expressed by equation : t j = t a + p d x r ja maximum ambient temperature and power dissipation a re determined by the design while the maximum junction temperature and thermal resistance depend on the manufacturer and the package type.
10 gm 6250 v 2.0 4 gm 6250 300ma ultr a low dropout positive voltage regulator c in = 1 f c l = 11 f t opr = 25 c 3.20 3.00 i out =1ma 2.80 40ma 10ma 2.60 t opr = 25 c c in =1 f c l =1f 2.40 2.20 2.5 3.0 input voltage: v in (v) figure 3: output voltage vs. input voltage output v oltage: v out (v) 3. 5 3.10 3.05 i out =1ma 3.00 10ma 40ma 2.95 input voltage: v in (v) 2.90 2.85 3 10 figure 4: output voltage vs. input voltage o u t pu t v ol t age : v out ( v ) 4 5 6 8 7 9 t opr = 25 c c in =1f c l =1f 3.0 2.0 1.0 0 0 2 4 6 input voltage: v in (v) 10 figure 5: supply current vs. input voltage supply current: i ss ( a) t opr = 25 c 8 2.50 2.25 2.00 1.75 1.50 3 4 5 6 7 8 9 in put voltage: v in (v) 10 figure 6: supply current vs. input voltage s upply curren t: i ss ( a ) t opr = 25 c figure 2: input/ output voltage differential vs. output current typical p erformance characteristics (for gm6250 - 3.0) 3.1 3.0 2.9 2.8 2.7 0 output current: i out (ma) figure 1: output voltage vs. output current 180 t opr = 25 c v in = 4v c in = 1 f c l = 11 f output voltage C v out (v) 1 6 0 1 4 0 1 2 0 1 0 0 8 0 6 0 4 0 2 0 in put - output voltage difference C v dif (v) t opr = 25 c = 25 c in = 1 f c l = 1 f -0.2 0.0 0.2 0.4 0.6 0.8 1.0 0 20 40 60 80 100 120 140 160 180
11 gm 6250 300ma ultra low dropout positive voltage regulator gm6250 v 2.0 4 60 50 40 30 20 10 0 0.01 0.1 1 10 ripple frequency: f (khz) figure 9: ripple rejection rate ripple rejec t ion ra t e : rr (d b ) v in = 4v dc + 1v ppac i out = 40ma c l = 1 f typical p erformance characteristics (for g m6250 - 3.0, continued) 5.0 6 4.5 5 4.0 4 3.5 3 3.0 2 2.5 1 time (1msec / div) figure 8: input transient response 2 input voltage i out = 1ma cl = 1 f output voltage in put voltage C v in (v) out put voltage C v iout (v) 6 6 4 5 2 4 0 3 - 2 2 - 4 1 - 6 0 time ( 0.4msec / div) figure 7: input transient response 1 input voltage output voltage i out = 1ma cl = 1 f in put voltage C v in (v) out put voltage C v iout (v)
12 gm 6250 v 2.0 4 gm 6250 300ma ultr a low dropout positive voltage regulator package outline dimensions C so t 23 package outline dimensions C sot 89 0.061 ref 1.550 ref 0.173 C 0.181 ( 4.39 C 4.59 ) 0.090 C 0.102 (2.28 C 2.59) 0.016 C 0.023 (0.400 C 0.580) 0.013 C 0.021 (0. 32 0 C 0.5 2 0) 0.0 59 bsc ( 1. 49) bsc 0. 118 bsc (2.99) bsc 0.155 C 0.167 (3.94 C 4.24) 0.035 C 0.047 (0.89 C 1.19) 0.055 C 0.063 (1.39 C 1.60) 0.014 C 0.017 (0.35 C 0.43) 0.084 C 0.090 (2.13 C 2.28) 8 0.1 07 C 0.1 2 3 (2. 72 C 3. 12 ) 0.01 18 C 0.0 236 (0.3 0 C 0. 60 ) 0.0 0 16 C 0.0 0 59 ( 0.0 4 C 0.1 5 ) 0.0 55 C 0.0 71 (1. 4 0 C 1. 8 0) 0.003 1 C 0.007 9 (0.08 C 0. 20 ) 0 .0 79 C 0. 094 (2. 0 C 2. 4 ) 0.075 bsc ( 1.90 ) bsc . 0 .03 9 C 0. 047 ( 1.00 C 1. 20) 0.01 1 8 C 0.0 197 (0.3 0 C 0.5 0 ) 0 - 8 typ
1 3 gm 6250 300ma ultra low dropout positive voltage regulator gm6250 v 2.0 4 package outline dimensions C to 92 3.85 C 4.19 4.7 C 5.2 4.9 C 5.2 12.7 C 14..2 1.22 C 1.32 0.4 C 0.55 typ. 2.10 C 2.27
14 gm 6250 v 2.0 4 gm 6250 300ma ultr a low dropout positive voltage regulator o rdering number g m 6250 - 2.2 t92 b g a p m g a m ma m i cr o c i r cu i t t y p e o u t p u t v o l t a g e p a c k a g e t y p e s h i p p i n g t y p e 2 . 2 = 2 . 2 v 2 . 5 = 2 . 5 v 3 . 3 = 3 . 3 v 5 . 0 = 5 . 0 v t 9 2 : t o 9 2 s t 8 9 : s o t 8 9 s t 2 3 : s o t 2 3 b : b a g rl : ammo pack ( t ape) t : tube r: t ape & reel b l a n k: p b - f r e e g : g r e e n note: pb - free products : ? rohs compliant and compatible with the current require - ments of ipc/jedec j - std - 020. ? suitable for use in pb - free soldering processes with 100% matte tin (sn) plating. green products : ? l ead - free (rohs compliant) ? h alogen free(br or cl does not exceed 900ppm by weight in homogeneous material an d total of br and cl does not exceed 1500ppm by weight)

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