Maker : UTC
Part No. : LM317M

Datasheet PDF : LM317M.pdf
Cross Reference : LM317M Cross Reference
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Product Information

UNISONIC TECHNOLOGIES CO., LTD LM317M 3-TERMINAL 0.5A POSITIVE ADJUSTABLE REGULATOR 1 1 2 3 TO-252 LINEAR INTEGRATED CIRCUIT DESCRIPTION The UTC LM317M is a 3-terminal adjustable positive voltage regulator capable of supplying in excess of 500mA over an output voltage range of 1.2V ~ 37V. This voltage regulator is exceptionally easy to use and requires only two external resistors to set the output voltage. SOT-223 12 3 TO-220 FEATURES *Output Current in Excess of 0.5A *Output Adjustable Between 1.2V and 37V *Internal Thermal Overload Protection *Internal Short Circuit Current Limiting *Output Transistor Safe Area Compensation *Floating Operation for High Voltage Applications *Pb-free plating product number: LM317ML ORDERING INFORMATION Order Number Normal Lead Free Plating LM317M-AA3-0-R LM317ML-AA3-0-R LM317M-TA3-0-T LM317ML-TA3-0-T LM317M-TN3-0-R LM317ML-TN3-0-R LM317M-TN3-0-T LM317ML-TN3-0-T Note: Pin assignment: I:VIN O:VOUT A:ADJ LM317ML-AA3-0-R (1)Packing Type (2)Pin Assignment (3)Package Type (4)Lead Plating (1) R: Tape Reel, T: Tube (2) refer to Pin Assignment (3) AA3: SOT-223, TA3: TO-220, TN3: TO-252 (4) L: Lead Free Plating, Blank: Pb/Sn www.DataSheet4U.com Package SOT-223 TO-220 TO-252 TO-252 Pin Assignment 1 2 3 A O I A O I A O I A O I Packing Tape Reel Tube Tape Reel Tube www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd 1 of 6 QW-R101-014,B LM317M BLOCK DIAGRAM Input 3 LINEAR INTEGRATED CIRCUIT + - Voltage Reference Protection Circuitry Rlimit 2 Output 1 Vadj UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 6 QW-R101-014,B LM317M ABSOLUTE MAXIMUM RATINGS LINEAR INTEGRATED CIRCUIT PARAMETER SYMBOL RATINGS UNIT Input-Output Voltage Differential VIN-VOUT 40 V Power Dissipation PD Internally Limited W Junction Temperature TJ +125 ℃ Operating Temperature TOPR -20 ~ +85 ℃ Storage Temperature TSTG -40 ~ +150 ℃ Note 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. 2. The device is guaranteed to meet performance specification within 0℃~+70℃ operating temperature range and assured by design from -20℃~+85℃. ELECTRICAL CHARACTERISTICS (VIN-VOUT=5V, IOUT=0.1A, 0℃≤TJ≤+125℃, PD(MAX)=7.5W, unless otherwise specified.) PARAMETER SYMBOL TEST CONDITIONS MIN Ta=+25℃, 3V≤VIN-VOUT≤40V Line Regulation ∆VOUT 3V≤VIN-VOUT≤40V Ta=+25°C, 10mA≤VIN-VOUT≤0.5A VOUT≤5V VOUT≥5V Load Regulation ∆VOUT 10mA≤IOUT≤0.5A VOUT≤5V VOUT≥5V Adjustment Pin Current IADJ 3V≤VIN-VOUT≤40V Adjustment Pin Current △IADJ Change 10mA≤IOUT≤0.5A, PD

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