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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Marketplace | Bulk
Output Configuration Positive
Output Type Adjustable
Number of Regulators 1
Voltage - Input (Max) 38V
Voltage - Output (Min/Fixed) 1.2V
Voltage - Output (Max) 32V
Voltage Dropout (Max) -
Current - Output 100mA
Current - Quiescent (Iq) -
Current - Supply (Max) -
PSRR 65dB (120Hz)
Control Features -
Protection Features Over Current, Over Temperature
Operating Temperature 0°C ~ 125°C
Grade -
Qualification -
Mounting Type Through Hole
Package / Case TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package TO-92-3

The TL317CLPE3 is an adjustable low dropout linear regulator from Texas Instruments, offering output voltages from 1.2V up to 32V with a maximum current of 100mA. Its high PSRR of 65dB at 120Hz makes it an excellent choice for noise-sensitive analog circuits. The TO-92-3 package is ideal for low-power, space-constrained designs.

  • Wide Adjustable Range: Output from 1.2V to 32V provides maximum design flexibility.
  • High PSRR: 65dB at 120Hz effectively filters mains hum and ripple.
  • Simple TO-92 Package: Easy to integrate in through-hole designs and breadboards.
  • Proven Technology: Based on the industry-standard TL317 architecture, ensuring reliability.

Adjustable Bench Power Supplies

The adjustable output up to 32V makes it perfect for DIY and educational bench power supplies, providing a stable, noise-free voltage source.

Battery Chargers

With its adjustable output and 100mA capability, it can be used in simple constant-voltage chargers for NiMH or Li-ion batteries.

Sensor Conditioning Circuits

The high PSRR of 65dB at 120Hz ensures clean power for bridge sensors and strain gauges in industrial measurement systems.

Audio Preamplifiers

Provides a low-noise adjustable supply for tube or solid-state preamp stages, with the TO-92 package fitting easily on compact PCBs.

Reference Voltage Sources

Can be configured as a precision adjustable reference for calibration equipment, leveraging its stable output and low noise characteristics.

Q: What is the output voltage of the TL317CLPE3?
A: It is an adjustable LDO with a reference voltage of 1.2V (output set by external resistors, up to 32V).
Q: What is the maximum output current?
A: The maximum output current is 100mA.
Q: What is the input voltage range?
A: The input voltage can range from 1.2V above the output voltage up to 32V (maximum output voltage).
Q: What is the dropout voltage?
A: The dropout voltage is typically 1.2V (refer to datasheet for exact value at different currents).
Q: What is the PSRR performance?
A: PSRR is 65dB at 120Hz, providing excellent low-frequency noise rejection.
Q: What package is available?
A: It comes in a TO-92-3 through-hole package.
Base Product Number : TL317CLPE3
100mA 32V Adjustable High PSRR LDO Linear Regulator Texas Instruments TO-92-3
Q: What is the output voltage of the TL317CLPE3?
A: It is an adjustable LDO with a reference voltage of 1.2V (output set by external resistors, up to 32V).
Q: What is the maximum output current?
A: The maximum output current is 100mA.
Q: What is the input voltage range?
A: The input voltage can range from 1.2V above the output voltage up to 32V (maximum output voltage).
Q: What is the dropout voltage?
A: The dropout voltage is typically 1.2V (refer to datasheet for exact value at different currents).
Q: What is the PSRR performance?
A: PSRR is 65dB at 120Hz, providing excellent low-frequency noise rejection.
Q: What package is available?
A: It comes in a TO-92-3 through-hole package.