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                                                                                                      1. Home
                                                                                                      2. Semiconductors - ICs
                                                                                                      3. Power Management ICs - PMIC
                                                                                                      4. Voltage Regulators
                                                                                                      5. Linear Voltage Regulators
                                                                                                      Print Page

                                                                                                      LM317P

                                                                                                      Linear Voltage Regulator, Adjustable Positive, 40V primary input, 1.2-37V/2.2A/1 Output, TO-220FP-3

                                                                                                      STMICROELECTRONICS
                                                                                                      Image is for illustrative purposes only. Please refer to product description.
                                                                                                      STMICROELECTRONICS LM317P
                                                                                                      ManufacturerSTMICROELECTRONICS
                                                                                                      Manufacturer Part NoLM317P
                                                                                                      Order Code1703358
                                                                                                      Your Part Number
                                                                                                      Technical Datasheet

                                                                                                      Data Sheet

                                                                                                      See all Technical Docs
                                                                                                      895 In Stock

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                                                                                                      37 Delivery in 3-5 Business Days(SG stock)
                                                                                                      858 Delivery in 4-6 Business Days(UK stock)
                                                                                                      QuantityPrice
                                                                                                      1+Rs.169.540
                                                                                                      10+Rs.92.560
                                                                                                      100+Rs.67.550
                                                                                                      500+Rs.64.610
                                                                                                      1000+Rs.54.810
                                                                                                      2500+Rs.50.600
                                                                                                      5000+Rs.46.280
                                                                                                      Price for:Each
                                                                                                      Minimum: 1
                                                                                                      Multiple: 1
                                                                                                      Rs.169.54
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                                                                                                      Product Information

                                                                                                      STMICROELECTRONICS
                                                                                                      ManufacturerSTMICROELECTRONICS
                                                                                                      Manufacturer Part NoLM317P
                                                                                                      Order Code1703358
                                                                                                      Technical Datasheet

                                                                                                      Data Sheet

                                                                                                      Output TypeAdjustable
                                                                                                      No. of Outputs1Outputs
                                                                                                      Output Voltage - Nom-
                                                                                                      Output Voltage Min1.2V
                                                                                                      Output Voltage Max37V
                                                                                                      Input Voltage Min-
                                                                                                      Input Voltage Max40V
                                                                                                      Product Range-
                                                                                                      Max Output Current2.2A
                                                                                                      Output Current Max2.2A
                                                                                                      IC Case / PackageTO-220FP
                                                                                                      No. of Pins3Pins
                                                                                                      IC MountingThrough Hole
                                                                                                      Operating Temperature Min0°C
                                                                                                      Operating Temperature Max125°C
                                                                                                      Qualification-
                                                                                                      MSL-
                                                                                                      SVHCNo SVHC (25-Jun-2025)

                                                                                                      Product Overview

                                                                                                      The LM317P is an Adjustable Voltage Regulator. It is designed to supply more than 1.5A of load current with an output voltage adjustable over a 1.2 to 37V 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 fixed regulator.

                                                                                                      • 0.1% Line and load regulation
                                                                                                      • Floating operation for high voltages
                                                                                                      • Complete series of protections - current limiting, thermal shutdown and SOA control

                                                                                                      Applications

                                                                                                      Power Management

                                                                                                      Technical Specifications

                                                                                                      Output Type

                                                                                                      Adjustable

                                                                                                      Output Voltage - Nom

                                                                                                      -

                                                                                                      Output Voltage Max

                                                                                                      37V

                                                                                                      Input Voltage Max

                                                                                                      40V

                                                                                                      Max Output Current

                                                                                                      2.2A

                                                                                                      IC Case / Package

                                                                                                      TO-220FP

                                                                                                      IC Mounting

                                                                                                      Through Hole

                                                                                                      Operating Temperature Max

                                                                                                      125°C

                                                                                                      MSL

                                                                                                      -

                                                                                                      No. of Outputs

                                                                                                      1Outputs

                                                                                                      Output Voltage Min

                                                                                                      1.2V

                                                                                                      Input Voltage Min

                                                                                                      -

                                                                                                      Product Range

                                                                                                      -

                                                                                                      Output Current Max

                                                                                                      2.2A

                                                                                                      No. of Pins

                                                                                                      3Pins

                                                                                                      Operating Temperature Min

                                                                                                      0°C

                                                                                                      Qualification

                                                                                                      -

                                                                                                      SVHC

                                                                                                      No SVHC (25-Jun-2025)

                                                                                                      Technical Docs (3)

                                                                                                      CAD CadSoft_EAGLE EN

                                                                                                      Technical Data Sheet EN

                                                                                                      Product Change Notice EN

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                                                                                                      Legislation and Environmental

                                                                                                      Country of Origin:
                                                                                                      Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                      China
                                                                                                      Country in which last significant manufacturing process was carried out
                                                                                                      Tariff No:85423100
                                                                                                      US ECCN:EAR99
                                                                                                      EU ECCN:NLR
                                                                                                      RoHS Compliant:Yes

                                                                                                      RoHS

                                                                                                      RoHS Phthalates Compliant:Yes

                                                                                                      RoHS

                                                                                                      SVHC:No SVHC (25-Jun-2025)
                                                                                                      Download Product Compliance Certificate

                                                                                                      Product Compliance Certificate

                                                                                                      Weight (kg):.002
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