G952 Global Mixed-mode Technology Inc. 1.8V 1A Regulator Features General Description Output current in excess of 1A Output voltage accuracy ±2% Quiescent current, typically 480µA Internal short circuit current limit Internal over temperature protection 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 temperature and over current protection circuits are provided to prevent it from being damaged by abnormal operating conditions. Applications PC motherboard ADSL/Cable Modem Set-Top-Box LAN switch/Hub Broad band access Ordering Information ORDER NUMBER PACKAGE TYPE G952T63U SOT223 1 PIN OPTION 2 3 GND VOUT VIN * 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 T3: TO 220 T4: TO 252 T5: TO 263 T6: SOT 223 1 1: VOUT 2: VOUT 3: GND 4: GND 5: VIN 6: VIN Typical Application PACKING 2 GND VIN VOUT VIN GND VOUT 3 VIN GND VIN VOUT VOUT GND U & D: Tape & Reel Direction T: Tube Package Type [Note 4] : Type of COUT IO VIN G952 C1 1µF IQ VOUT Top View Top View Top View COUT 10µF 1 3 2 TO 220 1 2 3 、263 TO252、 1 2 3 SOT 223 TEL: 886-3-5788833 http://www.gmt.com.tw Ver: 0.1 Preliminary Oct 29, 2001 1 G952 Global Mixed-mode Technology Inc. Absolute Maximum Ratings (Note 1) Operating Conditions Input Voltage…………………………………..2.7V~6.5V Temperature Range……………………0°C ≤ TJ ≤125°C (Note 1) Input Voltage……………………………………..…..…7V Power Dissipation Internally Limited …. (Note 2) Maximum Junction Temperature…..…………… …..150°C Storage Temperature Range….…..-65°C ≤ TJ ≤+150°C Lead Temperature, Time for Wave Soldering SOT-223 Package……………….……………..260°C, 4s Continuous Power Dissipation (TA = +25°C)……...0.8W Electrical Characteristics VIN =3.3V, IO = 1A, CIN = 1µF, COUT =10µF, All specifications apply for TA = TJ = 25°C. [Note 3] PARAMETER CONDITIONS MIN TYP Output Voltage Line Regulation Load Regulation Output Impedance Quiescent Current Ripple Rejection Dropout Voltage Output Current 10mA < IO < 1A 3V < VIN < 6.5V, IO = 10mA 10mA < IO < 1A 200mA DC and 100mA AC, fo = 120Hz VIN = 3.3V fi = 120Hz,Vripple =1VP-P, Io = 100mA IO = 0A IO = 100mA IO = 500mA IO = 1A Continuous Test, TA = 25°C, TJ <150°C, VOUT within ±2% 1.764 Minimum footprint (0.0625 square inch) Mounted on 0.53 square inch pcb area VIN = 3V VIN = 3.3V Short Circuit Current Over Temperature 1.800 3 30 80 480 53 880 895 950 1160 MAX UNITS 1.836 30 50 V mV mV mΩ µA dB mV 660 mA 1 A 1.6 150 A °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. Note2: The maximum allowable power dissipation is a function of the maximum junction temperature, TJ, the junction-to-ambient thermal resistance, RθJA, and the ambient temperature, TA. Exceeding the maximum allowable power dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown. Maximum power dissipation can be calculated based on the output current and the voltage drop across the pass. To determine the maximum power dissipation can use basic equation: PD(max) =TJ (max)-TA/ θJA = IOUT (VIN-VOUT) = 800mW. The safe operation of SOT-223 package by G952, it can see “Typical Performance Characteristics”. (Safe Operation 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. Load Regulation The change in output voltage for a change in load current at constant chip temperature. The measurement is made under conditions of low dissipation or by using pulse techniques such that average chip temperature is not significantly affected. 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 current and minimum input supply requirements. Maximum Power Dissipation The maximum total device dissipation for which the regulator will operate within specifications. 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 affected. Quiescent Bias Current Current which is used to operate the regulator chip and is not delivered to the load. TEL: 886-3-5788833 http://www.gmt.com.tw Ver: 0.1 Preliminary Oct 29, 2001 2 G952 Global Mixed-mode Technology Inc. Typical Performance Characteristics (VIN= +3.3V, CIN=1µF, COUT=10µF, TA=25°C, unless otherwise noted.) Output Voltage vs. Load Current Dropout Voltage vs. Load Current 1600 1.900 1.880 1400 Dropout Voltage (mV) Ootput Voltage (V) 1.860 1.840 1.820 1.800 1.780 1.760 1.740 1200 1000 800 600 400 200 1.720 1.700 0 0 100 200 300 400 500 600 700 800 900 1000 0 100 200 Load Current (mA) 400 500 600 700 800 900 1000 Safe Operation Area of SOT-223 Ground Current vs. Load Current 1.20 2.00 Mounted on 1 square inch pcb area 1.80 1.00 1.60 Mounted on 0.53 square inch pcb 1.40 Load Current (A) Ground Current (mA) 300 Load Current (mA) 1.20 1.00 0.80 0.60 0.40 0.80 T A = 25°C Still Air 0.60 0.40 0.20 Recommend minimum footprint (0.0625 square inch) 0.20 0.00 0.00 0 100 200 300 400 500 600 700 800 900 1000 1.2 1.7 2.2 2.7 3.2 3.7 4.2 4.7 Input-Output Voltage Differential (V) Load Current (mA) Line Transient Line Transient TEL: 886-3-5788833 http://www.gmt.com.tw Ver: 0.1 Preliminary Oct 29, 2001 3 G952 Global Mixed-mode Technology Inc. Typical Performance Characteristics (VIN= +3.3V, CIN=1µF, COUT=10µF, TA=25°C, unless otherwise noted.) Load Transient Load Transient Load Transient Load Transient Rθ JA vs. Copper (1 ounce) Area for the SOT-223 Package Thermal Resistance (R θJA) °C/W 200 Mounted on 1 oz Copper SOT-223 T A=25°C Still Air 180 160 140 120 100 80 60 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Copper Area (Square Inches) TEL: 886-3-5788833 http://www.gmt.com.tw Ver: 0.1 Preliminary Oct 29, 2001 4 G952 Global Mixed-mode Technology Inc. Package Information E A E1 E1 R F d D D1 I L e C A1 b e1 b1 TO-220 (T3) Package SYMBOLS A A1 b b1 C D D1 d E E1 e e1 F I L MILLIMETERS INCHES MIN MAX MIN MAX 4.318 2.46 0.69 1.143 0.304 3.429 8.53 2.62 9.906 2.84 2.29 4.83 1.143 3.454 13.589 4.826 2.72 0.94 1.397 0.460 3.683 9.04 2.87 10.40 5.13 2.79 5.33 1.397 3.962 14.351 0.170 0.097 0.027 0.045 0.012 0.135 0.336 0.103 0.390 0.112 0.090 0.190 0.045 0.136 0.535 0.190 0.107 0.037 0.055 0.018 0.145 0.356 0.113 0.410 0.202 0.110 0.210 0.055 0.156 0.565 TEL: 886-3-5788833 http://www.gmt.com.tw Ver: 0.1 Preliminary Oct 29, 2001 5 G952 Global Mixed-mode Technology Inc. SEATING PLANE T B C R E V 4 Z A 1 2 3 U S K F J L H D 2 PL 0.13 (0.005) G M T TO-252 (T4) Package Notes: 1. Dimensioning and tolerancing per ansi y14.5m, 1982. 2. Controlling dimension: inch DIM INCHES MILLIMETERS MIN MAX MIN MAX A B C D E F G 0.235 0.250 0.086 0.027 0.033 0.037 0.250 0.265 0.094 0.035 0.040 0.047 5.97 6.35 2.19 0.69 0.84 0.94 6.35 6.73 2.38 0.88 1.01 1.19 H 0.034 0.040 0.87 1.01 J K L 0.018 0.102 0.023 0.114 0.46 2.60 0.58 2.89 R 0.175 0.215 4.45 6.46 S U V Z 0.020 0.020 0.030 0.138 0.050 --0.050 --- 0.51 0.51 0.77 3.51 1.27 --1.27 --- 0.180BSC 4.58BSC 0.090BSC 2.29BSC TEL: 886-3-5788833 http://www.gmt.com.tw Ver: 0.1 Preliminary Oct 29, 2001 6 G952 Global Mixed-mode Technology Inc. A E A1 L3 D H C L1 L e L2 A2 e1 b b1 TO-263 (T5) Package SYMBOLS A A1 A2 b b1 C D E e e1 H L L1 L2 L3 MILLIMETERS INCHES MIN MAX MIN MAX 4.30 1.22 2.45 0.69 1.22 0.36 8.64 9.70 2.29 4.83 14.60 4.70 1.20 2.24 4.70 1.32 2.69 0.94 1.40 0.56 9.652 10.54 2.79 5.33 15.78 5.84 1.778 2.84 0.169 0.048 0.104 0.027 0.048 0.014 0.340 0.382 0.090 0.190 0.575 0.185 0.047 0.088 0.185 0.055 0.106 0.037 0.055 0.022 0.380 0.415 0.110 0.210 0.625 0.230 0.070 0.111 1.40MAX 0.055MAX TEL: 886-3-5788833 http://www.gmt.com.tw Ver: 0.1 Preliminary Oct 29, 2001 7 G952 Global Mixed-mode Technology Inc. A D α B1 C 13°(4X) H E L L2 e e1 13°(4X) A1 B SOT-223 (T6) Package SYMBOLS A A1 B B1 C D E e e1 H MILLIMETERS INCHES MIN MAX MIN MAX 1.55 0.02 0.60 2.90 0.24 6.30 3.30 1.80 0.12 0.80 3.10 0.32 6.70 3.70 0.061 0.0008 0.024 0.114 0.009 0.248 0.130 0.071 0.0047 0.031 0.122 0.013 0.264 0.146 2.30 BSC 0.090 BSC 4.60 BSC 6.70 0.181 BSC 7.30 0.264 0.287 L 0.90 MIN 0.036 MIN L2 α 0.06 BSC 0.0024 BSC 0º 10º 0º 10º Package Orientation Feed Direction TO 220 Package Orientation Feed Direction 、263 Package Orientation TO252、 Feed Direction SOT 223 Package Orientation TEL: 886-3-5788833 http://www.gmt.com.tw Ver: 0.1 Preliminary Oct 29, 2001 8