ver: 1.2 dec 03, 2002 tel: 886-3-5788833 http://www.gmt.com.tw 1 g952 global mixed-mode technology inc. 1.8v 1a regulator features ? output current in excess of 1a ? output voltage accuracy +2.5%/-2% ? quiescent current, typically 480a ? internal short circuit current limit ? internal over temperature protection applications ? pc motherboard ? adsl/cable modem ? set-top-box ? lan switch/hub ? broad band access general description the g952 positive 1.8v voltage regulator features the ability to source 1a of output current. the typical quiescent current is 0.48ma. familiar regulator features such as over tempera- ture and over current protection circuits are pro- vided to prevent it from being damaged by ab- normal operating conditions. ordering information pin option order number package type 1 2 3 g952t2 3 u sot 89 gnd v out v in g952t6 3 u sot 223 gnd v out v in * for other package types and pin options, please contact us at sales @ gmt.com.tw order number identification gxxx xx x x packing type pin option package type part number package type pin option packing t2: sot 89 1 2 3 u & d: tape & reel direction t3: to 220 1: v out gnd v in t: tube t4: to 252 2: v out v in gnd t5: to 263 3: gnd v out v in t6: sot 223 4: gnd v in v out 5: v in gnd v out 6: v in v out gnd typical application package type [note 4]: type of c out v in g952 c1 1f iq v out i o c out 10f v in g952 c1 1f iq v out i o c out 10f top view 1 3 to 220 2 top view 1 2 3 sot 89 223 top view 1 2 3 to252 263 top view 1 3 to 220 2 top view top view 1 2 3 sot 89 223 top view 1 2 3 to252 263
ver: 1.2 dec 03, 2002 tel: 886-3-5788833 http://www.gmt.com.tw 2 g952 global mixed-mode technology inc. absolute maximum ratings (note 1) input voltage??????????????..?..?7v power dissipation internally limited?.. (note 2) maximum junction temperature?..????? ?..150c storage temperature range?.?..-65c t j +150c lead temperature, time for wave soldering sot 223 package??????.?????..260c, 4s continuous power dissipation (t a = +25c) sot 89 (1) ????????...??????..?....0.5w sot 223 (1) ????????...??????.?....0.8w note (1) : see recommended minimum footprint operating conditions (note 1) input voltage?????????????..2.7v~6.5v temperature range????????0c t j 125c electrical characteristics v in =3.3v, i o = 1a, c in = 1f, c out =10f, all specifications apply for t a = t j = 25c. [note 3] parameter conditions min typ max units output voltage 10ma < i o < 1a 1.764 1.800 1.845 v line regulation 3v < v in < 6.5v, i o = 10ma 3 30 mv load regulation 10ma < i o < 1a 30 50 mv output impedance 200ma dc and 100ma ac, fo = 120hz 80 m ? quiescent current v in = 3.3v 480 a ripple rejection f i = 120hz,v ripple =1v p-p , io = 100ma 53 db i o = 0a 880 i o = 100ma 895 i o = 500ma 950 dropout voltage i o = 1a 1160 mv v in = 3v(sot 223) minimum footprint (0.0625 square inch) 660 ma v in = 3.3v(sot 223) mounted on 0.53 square inch pcb area 1 a output current continuous test, t a = 25c, t j 150c, v out within 2% v in = 3.3v(sot 89) mounted on 0.16 square inch pcb area 0.5 a short circuit current 1.6 a over temperature 150 c note 1: absolute maximum ratings are limits beyond which damage to the device may occur. operating conditions are conditions under which the device functions but the specifications might not be guaranteed. for guaranteed specifications and test conditions see the electrical characteristics. note 2: the maximum power dissipation is a function of the maximum junction temperature, t jmax ; total thermal re- sistance, ja , and ambient temperature t a . the maximum allowable power dissipation at any ambient tem- perature is t jmax -t a / ja . if this dissipation is exceeded, the die temperature will rise above 150c and ic will go into thermal shutdown. for the g952 in sot 89 package. ja is 250c/w for the g952 in sot 223 package, ja is 156c/w (see recommend minimum footprint). the safe operation in sot 89, sot 223 package, it can see ?typical performance characteristics? (safe operating area). note3: low duty pulse techniques are used during test to maintain junction temperature as close to ambient as possible. note4: the type of output capacitor should be tantalum or aluminum. 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 drops 100mv below its nominal value. dropout voltage is affected by junction temperature, load cur- rent and minimum input supply requirements. line regulation the change in output voltage for a change in input voltage. the measurement is made under conditions of low dissipation or by using pulse techniques such that average chip temperature is not significantly af- fected. load regulation the change in output voltage for a change in load current at constant chip temperature. the measure- ment is made under conditions of low dissipation or by using pulse techniques such that average chip tem- perature is not significantly affected. maximum power dissipation the maximum total device dissipation for which the regulator will operate within specifications. quiescent bias current current which is used to operate the regulator chip and is not delivered to the load.
ver: 1.2 dec 03, 2002 tel: 886-3-5788833 http://www.gmt.com.tw 3 g952 global mixed-mode technology inc. typical performance characteristics (v in = +3.3v, c in =1f, c out =10f, t a =25c, unless otherwise noted.) line transient 0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 0 100 200 300 400 500 600 700 800 900 1000 load current (ma) ground current (ma) 0 200 400 600 800 1000 1200 1400 1600 0 100 200 300 400 500 600 700 800 900 1000 load current (ma) dropout voltage (mv) 1.700 1.720 1.740 1.760 1.780 1.800 1.820 1.840 1.860 1.880 1.900 0 100 200 300 400 500 600 700 800 900 1000 load current (ma) ootput voltage (v) output voltage vs. load current dropout voltage vs. load current line transient ground current vs. load current
ver: 1.2 dec 03, 2002 tel: 886-3-5788833 http://www.gmt.com.tw 4 g952 global mixed-mode technology inc. typical performance characteristics (continued) load transient load transient load transient load transient
ver: 1.2 dec 03, 2002 tel: 886-3-5788833 http://www.gmt.com.tw 5 g952 global mixed-mode technology inc. 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 input-output voltage differential v in -v out (v) output current (ma) ta=25 ta=55 ta=85 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 25 35 45 55 65 75 85 95 105 115 125 amibent temperature t a (c) power dissipation (w) note: v in ( max ) <= 6.5v 0 100 200 300 400 500 600 700 800 900 1000 1100 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 3 3.2 3.4 3.6 3.8 4 4.2 4.4 4.6 input-output voltage differential (v) load current (ma) maximum power dissipation of sot 223 safe operating area of sot 223 safe operating area of sot 223 recommend minimum footprint 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 25 35 45 55 65 75 85 95 105 115 125 ambient temperature (c) power dissipation (w) 1oz copper on sot-89 package mounted on recommended mimimum footprint (r ja =250c/w) 0 100 200 300 400 500 600 700 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0 4.4 4.8 input-output voltage differential v in - v out (v) output current (ma) ta=25 ta=55 ta=85 1oz copper on sot-89 package mounted on recommended mimimum footprint (r ja =250c/w) safe operating area of sot-89 [power dissipation limit] 1oz copper on sot-223 package mounted on recommended mimimum footprint (r ja =156c/w) t a =25c,still air maximum recommended out p ut current t a =25c,still air mounted on 1 square inch, 1oz copper pcb area (r ja =70c/w) mounted on 0.53 square inch, 1oz copper pcb area (r ja =85c/w) mounted on recommend minimum footprint, 1oz copper pcb area (see recommend minimum footprint) (r maximum power dissipation of sot-89 t a =25c,still air 1oz copper on sot-223 package mounted on recommended mimimum footprint (r ja =156c/w)
ver: 1.2 dec 03, 2002 tel: 886-3-5788833 http://www.gmt.com.tw 6 g952 global mixed-mode technology inc. package information sot-89 (t2) package dimensions in millimeters dimensions in inches symbols min nom max min nom max a 1.40 1.50 1.60 0.055 0.059 0.063 a1 0.80 1.04 ----- 0. 031 0.041 ----- b 0.36 0.42 0.48 0.014 0.016 0.048 b1 0.41 0.47 0.53 0.016 0.018 0.020 c 038 0.40 0.43 0.014 0.015 0.017 d 4.40 4.50 4.60 0.173 0.177 0.181 d1 1.40 1.60 1.75 0.055 0.062 0.069 he ----- ----- 4.25 ----- ----- 0. 167 e 2.40 2.50 2.60 0.094 0.098 0.102 e 2.90 3.00 3.10 0.114 0.118 0.122 d d1 e a1 he e b b b1 a polish matte finish c polish
ver: 1.2 dec 03, 2002 tel: 886-3-5788833 http://www.gmt.com.tw 7 g952 global mixed-mode technology inc. to-220 (t3) package millimeters inches symbols min max min max a 4.318 4.826 0.170 0.190 a1 2.46 2.72 0.097 0.107 b 0.69 0.94 0.027 0.037 b1 1.143 1.397 0.045 0.055 c 0.304 0.460 0.012 0.018 d 3.429 3.683 0.135 0.145 d1 8.53 9.04 0.336 0.356 d 2.62 2.87 0.103 0.113 e 9.906 10.40 0.390 0.410 e1 2.84 5.13 0.112 0.202 e 2.29 2.79 0.090 0.110 e1 4.83 5.33 0.190 0.210 f 1.143 1.397 0.045 0.055 i 3.454 3.962 0.136 0.156 l 13.589 14.351 0.535 0.565 e r e1 e1 d d i l e b b1 e1 a f d1 c a1
ver: 1.2 dec 03, 2002 tel: 886-3-5788833 http://www.gmt.com.tw 8 g952 global mixed-mode technology inc. to-252 (t4) package notes: 1. dimensioning and tolerancing per ansiy14.5m, 1982. 2. controlling dimension: inch inches millimeters dim min max min max 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 0.180bsc 4.58bsc 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 0.090bsc 2.29bsc r 0.175 0.215 4.45 6.46 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 --- r b v a k s 12 3 f l d g 4 2 pl 0.13 (0.005) m t z e c t seating plane u j h
ver: 1.2 dec 03, 2002 tel: 886-3-5788833 http://www.gmt.com.tw 9 g952 global mixed-mode technology inc. to-263 (t5) package millimeters inches symbols min max min max a 4.30 4.70 0.169 0.185 a1 1.22 1.32 0.048 0.055 a2 2.45 2.69 0.104 0.106 b 0.69 0.94 0.027 0.037 b1 1.22 1.40 0.048 0.055 c 0.36 0.56 0.014 0.022 d 8.64 9.652 0.340 0.380 e 9.70 10.54 0.382 0.415 e 2.29 2.79 0.090 0.110 e1 4.83 5.33 0.190 0.210 h 14.60 15.78 0.575 0.625 l 4.70 5.84 0.185 0.230 l1 1.20 1.778 0.047 0.070 l2 2.24 2.84 0.088 0.111 l3 1.40max 0.055max e l3 d h e1 b1 b e a a1 c a2 l2 l l1 e l3 d h e1 b1 b e a a1 c a2 l2 l l1
ver: 1.2 dec 03, 2002 tel: 886-3-5788833 http://www.gmt.com.tw 10 g952 global mixed-mode technology inc. sot-223 (t6) package millimeters inches symbols min max min max a 1.55 1.80 0.061 0.071 a1 0.02 0.12 0.0008 0.0047 b 0.60 0.80 0.024 0.031 b1 2.90 3.10 0.114 0.122 c 0.24 0.32 0.009 0.013 d 6.30 6.70 0.248 0.264 e 3.30 3.70 0.130 0.146 e 2.30 bsc 0.090 bsc e1 4.60 bsc 0.181 bsc h 6.70 7.30 0.264 0.287 l 0.90 min 0.036 min l2 0.06 bsc 0.0024 bsc 0o 10o 0o 10o package orientation gmt inc. does not assume any res ponsibility for use of any circuitry d escribed, no circuit patent licenses are implied and gmt inc. reserves the right at any time wit hout notice to change said circuitry and specifications. a b 13 (4x) a1 e1 e e b1 d h c 13 (4x) l2 l feed direction sot 89 223 package orientation feed direction to252 263 package orientation feed direction sot 89 223 package orientation feed direction to252 263 package orientation
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