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

                      LM317AT/NOPB

                      Linear Voltage Regulator, Adjustable, 4.25 to 40V in, 1.25 to 37V/1.5A out, -40°C to 125°C, TO-220-3

                      TEXAS INSTRUMENTS LM317AT/NOPB
                      Image is for illustrative purposes only. Please refer to product description.
                      ManufacturerTEXAS INSTRUMENTS
                      Manufacturer Part NoLM317AT/NOPB
                      Order Code3122678
                      Product RangeAdj 1.5A Linear Voltage Regulators
                      See all Technical Docs
                      1,493 In Stock

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                      Product Information

                      ManufacturerTEXAS INSTRUMENTS
                      Manufacturer Part NoLM317AT/NOPB
                      Order Code3122678
                      Product RangeAdj 1.5A Linear Voltage Regulators
                      Output TypeAdjustable
                      No. of Outputs1Outputs
                      Output Voltage - Nom-
                      Output Voltage Min1.25V
                      Output Voltage Max37V
                      Input Voltage Min4.25V
                      Input Voltage Max40V
                      Product RangeAdj 1.5A Linear Voltage Regulators
                      Output Current Max1.5A
                      Max Output Current1.5A
                      IC Case / PackageTO-220
                      No. of Pins3Pins
                      IC MountingThrough Hole
                      Operating Temperature Min-40°C
                      Operating Temperature Max125°C
                      Qualification-
                      MSL-
                      SVHCNo SVHC (27-Jun-2018)

                      Product Overview

                      LM317AT/NOPB is a 1% accurate 1.5A adjustable 3-terminal positive voltage regulator. It is capable of supplying in excess of 1.5A over a 1.2 to 37V output range. Further, both line and load regulations are better than standard fixed regulators. The LM317A offers full overload protection such as over current, thermal-overload protection, and safe area protection. All overload protection circuitry remains fully functional even if the adjustment terminal is disconnected. Suitable for automotive led lighting, battery chargers, post regulation for switching supplies, constant-current regulator and microprocessor supplies applications.

                      • Typical 0.005%/V line regulation
                      • 1% output voltage tolerance
                      • 1.5A output current (current limit)
                      • Adjustable output down to 1.25V
                      • Current limit constant with temperature
                      • Input-output differential up to 40V and 80dB PSRR (120Hz)
                      • Current limit constant with temperature
                      • No output capacitor required
                      • Short-circuit protected output
                      • 3 in TO-220 package, -40 to 125°C operating temperature

                      Technical Specifications

                      Output Type

                      Adjustable

                      Output Voltage - Nom

                      -

                      Output Voltage Max

                      37V

                      Input Voltage Max

                      40V

                      Output Current Max

                      1.5A

                      IC Case / Package

                      TO-220

                      IC Mounting

                      Through Hole

                      Operating Temperature Max

                      125°C

                      MSL

                      -

                      No. of Outputs

                      1Outputs

                      Output Voltage Min

                      1.25V

                      Input Voltage Min

                      4.25V

                      Product Range

                      Adj 1.5A Linear Voltage Regulators

                      Max Output Current

                      1.5A

                      No. of Pins

                      3Pins

                      Operating Temperature Min

                      -40°C

                      Qualification

                      -

                      SVHC

                      No SVHC (27-Jun-2018)

                      Technical Docs (1)

                      Product Change Notice EN

                      Alternatives for LM317AT/NOPB

                      8 Products Found

                      Legislation and Environmental

                      Country of Origin:
                      Country in which last significant manufacturing process was carried outCountry of Origin:
                      Malaysia
                      Country in which last significant manufacturing process was carried out
                      Tariff No:85423990
                      US ECCN:EAR99
                      EU ECCN:NLR
                      RoHS Compliant:Yes

                      RoHS

                      RoHS Phthalates Compliant:Yes

                      RoHS

                      SVHC:No SVHC (27-Jun-2018)
                      Download Product Compliance Certificate

                      Product Compliance Certificate

                      Weight (kg):.002041
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