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LM317P

STMicroelectronics
Part Number LM317P
Manufacturer STMicroelectronics
Description 1.2V TO 37V VOLTAGE REGULATOR
Published Feb 13, 2021
Detailed Description LM217, LM317 Datasheet 1.2 V to 37 V adjustable voltage regulators TO-220 TO-220FP D²PAK Features • Output voltage r...
Datasheet PDF File LM317P PDF File

LM317P
LM317P

Overview
LM217, LM317 Datasheet 1.
2 V to 37 V adjustable voltage regulators TO-220 TO-220FP D²PAK Features • Output voltage range: 1.
2 to 37 V • Output current in excess of 1.
5 A • 0.
1% line and load regulation • Floating operation for high voltages • Complete series of protections: current limiting, thermal shutdown and SOA control Description The LM217, LM317 are monolithic integrated circuits in TO-220, TO-220FP and D²PAK packages intended for use as positive adjustable voltage regulators.
They are designed to supply more than 1.
5 A of load current with an output voltage adjustable over a 1.
2 to 37 V range.
The nominal output voltage is selected by means of a resistive divider, making the device exceptionally easy to use and eliminating the stocking of many fixed regulators.
Product status link LM217 LM317 DS0433 - Rev 21 - July 2019 For further information contact your local STMicroelectronics sales office.
www.
st.
com 1 Pin configuration Figure 1.
Pin connections (top view) LM217, LM317 Pin configuration TO-220 D²PAK TO-220FP DS0433 - Rev 21 page 2/31 LM217, LM317 Maximum ratings 2 Note: Maximum ratings Symbol VI - VO IO TOP PD TSTG Table 1.
Absolute maximum ratings Parameter Input-reference differential voltage Output current Operating junction temperature for: Power dissipation Storage temperature LM217 LM317 LM317B Value Unit 40 V Internally limited A - 25 to 150 0 to 125 °C -40 to 125 Internally limited - 65 to 150 °C Absolute maximum ratings are those values beyond which damage to the device may occur.
Functional operation under these condition is not implied.
Symbol RthJA RthJC Table 2.
Thermal data Parameter D²PAK Thermal resistance junction-ambient 62.
5 Thermal resistance junction-case 3 TO-220 50 5 TO-220FP 60 5 Unit °C/W °C/W DS0433 - Rev 21 page 3/31 3 Diagram Figure 2.
Schematic diagram LM217, LM317 Diagram DS0433 - Rev 21 page 4/31 LM217, LM317 Electrical characteristics 4 Electrical characteristics ...


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