Skip to product information
1 of 1
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Regular price $94,999.99
Regular price $99,999.99 Sale price $94,999.99
Sale Sold out
Quantity Unit Price Total Price
1 $94,999.99 $94,999.99
15+ $91,999.99 $1,379,999.85
25+ $89,999.99 $2,249,999.75
50+ $84,999.99 $4,249,999.50
100+ $74,999.99 $7,499,999.00
N+ $15,000.00 Price Inquiry
Shipping calculated at checkout.
Quantity
Component Recycling

Request Quote / Inquiry

Product attributes Property Value
Manufacturer STMicroelectronics
Product Series
Packaging |
Output Configuration Obsolete
Output Type Positive
Number of Regulators Adjustable
Voltage - Input (Max) 40V
Voltage - Output (Min/Fixed) 1.2V
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
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LM317K from EVVO is a legendary adjustable linear voltage regulator, capable of delivering 1.5A with an output voltage adjustable up to 37V. Housed in a robust TO-3 metal package, it offers excellent thermal characteristics for high-power applications. Its low quiescent current and 66dB PSRR make it a reliable choice for a wide range of power supply designs.

  • High Voltage Capability: Supports output voltages up to 37V, making it versatile for various high-voltage applications.
  • Excellent Thermal Performance: The TO-3 metal package is designed for superior heat dissipation, ensuring reliable operation under heavy loads.
  • Proven Reliability: A time-tested design known for its robustness and long-term stability in demanding environments.
  • Low Quiescent Current: The 100 μA quiescent current contributes to overall system efficiency.

Bench Power Supplies

The LM317K's adjustable output up to 37V and 1.5A current capability make it a classic choice for building variable bench power supplies for electronics labs and hobbyists.

Battery Chargers

Its adjustable voltage and current limit features allow it to be configured as a simple, reliable constant-voltage/constant-current charger for lead-acid or lithium-ion batteries.

Audio Amplifier Power Supplies

The low noise and high PSRR of 66dB at 100Hz make it suitable for powering analog audio circuits, providing a clean and stable DC rail.

High-Voltage Industrial Sensors

With a maximum output of 37V, it can power industrial sensors and transmitters that require higher supply voltages than standard 5V or 3.3V rails.

Heavy-Duty Equipment

The TO-3 package is designed for high power dissipation, making the LM317K suitable for rugged industrial equipment where heat is a concern.

Custom Power Solutions

Its adjustable nature and wide input range make it a versatile building block for custom power supply designs in various embedded systems.

Q: What is the output voltage range?
A: The LM317K is an adjustable regulator with a maximum output voltage of 37V.
Q: What is the maximum output current?
A: It can deliver up to 1.5A of output current.
Q: What is the input voltage range?
A: The input voltage range starts from 1.2V.
Q: What is the dropout voltage?
A: The dropout voltage is not specified in the provided data.
Q: What is the quiescent current?
A: The quiescent current is 100 μA.
Q: What package is available?
A: It is available in the classic TO-3 metal can package, known for excellent thermal performance.
Base Product Number : LM317K
1.5A 37V Adjustable EVVO High Voltage LDO Linear Regulator LM317 TO-3
Q: What is the output voltage range?
A: The LM317K is an adjustable regulator with a maximum output voltage of 37V.
Q: What is the maximum output current?
A: It can deliver up to 1.5A of output current.
Q: What is the input voltage range?
A: The input voltage range starts from 1.2V.
Q: What is the dropout voltage?
A: The dropout voltage is not specified in the provided data.
Q: What is the quiescent current?
A: The quiescent current is 100 μA.
Q: What package is available?
A: It is available in the classic TO-3 metal can package, known for excellent thermal performance.