LM317G-TA3-T

UNISONIC TECHNOLOGIES CO., LTD LM317 HIGH CURRENT 1.3V TO 37V ADJUSTABLE VOLTAGE REGULATOR DESCRIPTION The UTC LM317 is an adjustable 3-terminal positive voltage regulator, designed to supply 1A of output current with voltage adjustable from 1.3V ~ 37V. LINEAR INTEGRATED CIRCUIT 1 TO-220 1 TO-220F 1 TO-263 1 TO-252 FEATURES *Output voltage adjustable from 1.3V ~ 37V *Output current in excess of 1A *Internal short circuit protection. *Internal over temperature protection. *Output transistor safe area compensation 1 SOT-223 2 1 TO-3 Lead-free: LM317K Halogen-free: LM317G ORDERING INFORMATION Ordering Number Normal Lead Free LM317-AA3-R LM317K-AA3-R LM317-TA3-T LM317K-TA3-T LM317-TF3-T LM317K-TF3-T LM317-TN3-R LM317K-TN3-R LM317-TN3-T LM317K-TN3-T LM317-TQ2-R LM317K-TQ2-R LM317-TQ2-T LM317K-TQ2-T LM317-T30-Y LM317K-T30-Y Note: 1. Pin Assignment: I:VIN O:VOUT 2. Pin 3 on TO-3 is case LM317K-AA3-R (1)Packing Type (2)Package Type (3)Lead Plating (1) R: Tape Reel, T: Tube, Y: Tray (2) AA3: SOT-223, TA3: TO-220, TF3: TO-220F, TN3: TO-252, TQ2: TO-263, T30: TO-3 (3) G: Halogen Free, K: Lead Free, Blank: Pb/Sn Halogen Free LM317G-AA3-R LM317G-TA3-T LM317G-TF3-T LM317G-TN3-R LM317G-TN3-T LM317G-TQ2-R LM317G-TQ2-T LM317G-T30-Y Package SOT-223 TO-220 TO-220F TO-252 TO-252 TO-263 TO-263 TO-3 Pin Assignment 1 2 3 ADJ O I ADJ O I ADJ O I ADJ O I ADJ O I ADJ O I ADJ O I I ADJ O Packing Tape Reel Tube Tube Tape Reel Tube Tape Reel Tube Tray www.unisonic.com.tw Copyright © 2008 Unisonic Technologies Co., Ltd 1 of 5 QW-R101-009,K LM317 BLOCK DIAGRAM LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 5 QW-R101-009,K LM317 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (Ta=25°C, unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Input - Output Voltage Difference VIN-VOUT 40 V Power Dissipation PD Internal limited Junction Temperature TJ +125 °C Operating Temperature TOPR -40 ~ +85 °C Storage Temperature TSTG -40 ~ +150 °C Note:1. Absolute maximum ratings are stress ratings only and functional device operation is not implied. The device could be damaged beyond Absolute maximum ratings. THERMAL DATA PARAMETER TO-252 TO-220/TO-220F TO-263 SOT-223 TO-3 TO-252 TO-220/TO-220F TO-263 SOT-223 TO-3 SYMBOL RATINGS 112 54 64 165 35 12 5 5 23 3 UNIT Junction-to-Ambient θJA ℃/W Junction-to-Case θJC ℃/W ELECTRICAL CHARACTERISTICS (VIN-VOUT=5V, IOUT=10mA, Ta=25°C, unless otherwise specified.) PARAMETER SYMBOL TEST CONDITIONS Line Regulation ΔVOUT/VOUT 3V≦VIN-VOUT≦40V VOUT≦5V Load Regulation ΔVOUT 10mA≦IOUT≦1A VOUT≧5V Adjustable Pin Current Adjustable Pin Current Change Reference Voltage Temperature Stability Minimum Load Current for Regulation Maximum Output Current RMS Noise vs. %of VOUT Ripple Rejection IADJ ΔIADJ VREF IL(MIN) IO(MAX) eN RR 3V≦VIN-VOUT≦40V, 10mA≦IOUT≦1A, PD≦20W 3V≦VIN-VOUT≦40V, 10mA≦IOUT≦1A, PD≦20W TMIN≦TJ≦TMAX VIN-VOUT=40V VIN-VOUT=40V, PD≦20W 10HZ≦f≦10KHZ VOUT=10V,f=120HZ CADJ=0 CADJ=10μF MIN TYP 0.01 5 0.1 50 0.2 1.20 1.25 0.7 3.5 0.3 0.003 65 80 MAX 0.04 25 0.5 100 5 1.30 10 UNIT %/V mV % μA μA V %/VOUT mA A %/VOUT dB 0.2 66 Note: CADJ is connected between Adjust pin and Ground. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 5 QW-R101-009,K LM317 APPLICATION CIRCUITS LINEAR INTEGRATED CIRCUIT VIN 3 UTC LM317 1 VADJ 2 D1 1N4001 50k VOUT VIN 3 UTC LM317 1 2 R1 R2 IOUT VoUT 240 IADJ 1.25V VREF )+IADJ= R1 R1 R2 10 F IO(MAX)=( IO(MIN)=( VREF 1.25V )+IADJ= R1+R2 R1+R2 5mA