UNISONIC TECHNOLOGIES CO., LTD LM317 LINEAR INTEGRATED CIRCUIT HIGH CURRENT 1.3V TO 37V ADJUSTABLE VOLTAGE REGULATOR 1 TO-220 DESCRIPTION TO-263 TO-252 FEATURES 1 *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 TO-220F 1 1 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. 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 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 LM317K-AA3-R (1)Packing Type (1) R: Tape Reel, T: Tube, Y: Tray (2)Package Type (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 (3)Lead Plating www.unisonic.com.tw Copyright © 2008 Unisonic Technologies Co., Ltd 1 of 5 QW-R101-009,K LM317 LINEAR INTEGRATED CIRCUIT BLOCK DIAGRAM 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 Junction-to-Ambient Junction-to-Case SYMBOL TO-252 TO-220/TO-220F TO-263 SOT-223 TO-3 TO-252 TO-220/TO-220F TO-263 SOT-223 TO-3 RATINGS 112 54 64 165 35 12 5 5 23 3 θJA θJC UNIT ℃/W ℃/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 IADJ Adjustable Pin Current Change ΔIADJ Reference Voltage VREF Temperature Stability Minimum Load Current for Regulation Maximum Output Current RMS Noise vs. %of VOUT Ripple Rejection MIN 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 1.20 0.2 CADJ=0 CADJ=10μF 66 TYP 0.01 5 0.1 50 MAX 0.04 25 0.5 100 UNIT %/V mV % μA 0.2 5 μA 1.25 1.30 V 0.7 3.5 0.3 0.003 65 80 10 %/VOUT mA A %/VOUT dB 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 LINEAR INTEGRATED CIRCUIT APPLICATION CIRCUITS VIN 3 UTC LM317 1 VADJ VOUT 2 240 D1 1N4001 VIN 3 UTC LM317 R1 2 IOUT VoUT 1 IADJ 50k R2 10 F R2 IO(MAX)=( IO(MIN)=( 1.25V VREF )+IADJ= R1 R1 VREF 1.25V )+IADJ= R1+R2 R1+R2 5mA<IOUT<100mA Fig.3 Soft Start Application UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw Fig.4 Constant Current Application 4 of 5 QW-R101-009,K LM317 LINEAR INTEGRATED CIRCUIT TYPICAL CHARACTERISTICS Load Regulation vs. temperature Adjustment Current vs. Temperature 60 0.0 Adjustment Current, IADJ (μA) Output Voltage Deviation, ∆VOUT (%) 0.2 -0.2 -0.4 -0.6 -0.8 VIN=15V VOUT=10V -1.0 0 25 50 75 100 125 Temperature 55 50 45 40 35 -50 -25 0 25 50 75 100 125 Temperature UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 5 QW-R101-009,K