Texas Instruments LM317K STEEL/NOPB

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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Tray |
Output Configuration Positive
Output Type Adjustable
Number of Regulators 1
Voltage - Input (Max) 37V
Voltage - Output (Min/Fixed) 1.25V
Voltage - Output (Max) 37V
Voltage Dropout (Max) -
Current - Output 1.5A
Current - Quiescent (Iq) 10 mA
Current - Supply (Max) -
PSRR 80dB ~ 65dB (120Hz)
Control Features -
Protection Features Over Current, Over Temperature, Short Circuit
Operating Temperature 0°C ~ 125°C
Grade -
Qualification -
Mounting Type Through Hole
Package / Case TO-204AA, TO-3
Supplier Device Package TO-3-2
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LM317K STEEL/NOPB is a versatile adjustable linear regulator from Texas Instruments, supporting outputs from 1.25V to 37V at 1.5A. Housed in a TO-3-2 package, it features 80dB PSRR at 120Hz and 10mA quiescent current. Ideal for a wide range of power supply applications.

  • Adjustable output: 1.25V to 37V provides design flexibility.
  • High PSRR: 80dB at 120Hz ensures clean output for audio and precision circuits.
  • Robust TO-3-2 package: Excellent thermal dissipation for continuous operation.
  • 1.5A output current: Suitable for medium-power applications.

General-Purpose Power Supplies

Provides adjustable 1.25-37V output for bench supplies and hobby projects, with 80dB PSRR at 120Hz.

Audio Amplifier Power

Regulates supply rails for op-amps and preamps, with low noise and high ripple rejection.

Battery Chargers

Adjustable output enables precise charging for 12V and 24V lead-acid batteries.

Industrial Sensors

Powers 24V transmitters and transducers, with 1.5A capability for multiple sensors.

LED Lighting Drivers

Provides constant voltage for high-power LED arrays, with TO-3-2 package dissipating heat effectively.

Test Equipment

Supplies variable voltage for calibration and testing, with robust metal package for lab environments.

Q: What is the output voltage of the LM317K STEEL/NOPB?
A: The output voltage is adjustable up to 37V.
Q: What is the maximum output current?
A: This regulator can deliver up to 1.5A of output current.
Q: What is the input voltage range?
A: The reference voltage is 1.25V; input can be up to 40V for 37V output.
Q: What is the dropout voltage?
A: Dropout is typically 2V at 1A load (not specified for this variant).
Q: What is the quiescent current?
A: The quiescent current is 10 mA.
Q: What package is available?
A: This device comes in a TO-3-2 package.
Base Product Number : LM317K STEEL
1.5A 37V Adjustable High PSRR LDO Linear Regulator Texas Instruments TO-3-2
Q: What is the output voltage of the LM317K STEEL/NOPB?
A: The output voltage is adjustable up to 37V.
Q: What is the maximum output current?
A: This regulator can deliver up to 1.5A of output current.
Q: What is the input voltage range?
A: The reference voltage is 1.25V; input can be up to 40V for 37V output.
Q: What is the dropout voltage?
A: Dropout is typically 2V at 1A load (not specified for this variant).
Q: What is the quiescent current?
A: The quiescent current is 10 mA.
Q: What package is available?
A: This device comes in a TO-3-2 package.