LM317T
- Mfr.Part #
- LM317T
- Manufacturer
- STMicroelectronics
- Package / Case
- TO-220-3
- Datasheet
- Download
- Description
- IC REG LINEAR POS ADJ 1.5A TO220
- Stock
- 22,096
- In Stock :
- 22,096
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- Manufacturer :
- STMicroelectronics
- Product Category :
- Voltage Regulators - Linear
- Number of Regulators :
- 1
- PSRR :
- 80dB ~ 65dB (120Hz)
- Power Supply Rejection Ratio (PSRR) :
- 80dB
- Operating Temperature :
- 0°C~125°C
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Output Type :
- Adjustable
- Radiation Hardening :
- No
- Weight :
- 2.299997g
- Tolerance :
- 5%
- Number of Pins :
- 3
- Terminal Pitch :
- 2.54mm
- Mount :
- Through Hole
- Number of Functions :
- 1
- RoHS Status :
- ROHS3 Compliant
- Min Output Voltage :
- 1.2V
- Protection Features :
- Over Current, Over Temperature
- Voltage - Input (Max) :
- 40V
- Max Output Voltage :
- 37V
- Packaging :
- Tube
- Terminal Position :
- Single
- Lifecycle Status :
- ACTIVE (Last Updated: 7 months ago)
- Max Output Current :
- 1.5A
- Output Configuration :
- Positive
- Width :
- 4.6mm
- Number of Outputs :
- 1
- Manufacturer Package Identifier :
- 0015988_typeA_Rev_T
- Min Input Voltage :
- 4.2V
- Height :
- 9.15mm
- Voltage - Output (Max) :
- 37V
- JESD-609 Code :
- e3
- Number of Terminations :
- 3
- Factory Lead Time :
- 24 Weeks
- Package / Case :
- TO-220-3
- ECCN Code :
- EAR99
- Pin Count :
- 3
- Length :
- 10.4mm
- Contact Plating :
- Tin
- Reference Voltage :
- 1.25V
- Lead Free :
- Lead Free
- REACH SVHC :
- No SVHC
- Mounting Type :
- Through Hole
- Output Voltage :
- 37V
- Base Part Number :
- LM317
- Datasheets
- LM317T
LM317T Documents

[Voltage Regulators - Linear] STMicroelectronics LM317T Overview
Introducing the LM317T, a precision voltage regulator IC meticulously engineered by STMicroelectronics to meet the exacting demands of modern electronic circuits. As a leading provider of integrated circuits, STMicroelectronics has crafted the LM317T to deliver superior performance and reliability in a variety of applications. This versatile device boasts adjustable output voltage capability, allowing for precise regulation of voltage levels up to 1.5A, all housed within a TO220 package. Whether you're designing power supplies, battery chargers, or audio amplifiers, the LM317T offers unparalleled stability and control, making it the ideal choice for demanding B2B applications.
LM317T Features
- Adjustable Output Voltage
- Precision Regulation
- High Current Capability (1.5A)
- TO220 Package for Easy Mounting
- Low Dropout Voltage
- Thermal Overload Protection
- Short Circuit Protection
- Wide Operating Temperature Range
- High Ripple Rejection
LM317T Applications
- Power Supplies: The LM317T is commonly used in power supply circuits to regulate output voltage, ensuring stable and reliable power delivery to electronic devices. Its adjustable voltage feature makes it suitable for a wide range of voltage requirements.
- Battery Chargers: With its precision regulation and high current capability, the LM317T is ideal for designing battery charging circuits for various applications, including portable electronics and automotive systems.
- Audio Amplifiers: The LM317T can be employed in audio amplifier circuits to provide regulated power to the amplifier components, minimizing noise and distortion for superior audio quality.
- Instrumentation: Due to its precision and stability, the LM317T finds applications in instrumentation circuits where accurate voltage regulation is essential for precise measurements and control.
- LED Drivers: LED lighting systems require stable and efficient power sources. The LM317T can be used as a constant current source or voltage regulator in LED driver circuits, ensuring consistent and uniform illumination.
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