Buy LM317 DC-DC Buck Converter | 4.2-40V to 1.2-37V Linear Regulator Module

Low Noise & Precise Adjustment | Reliable LM317 Module for Sensitive Circuits

The DC-DC Buck Converter 4.2-40V to 1.2-37V (LM317) is an adjustable voltage regulator module designed to step down a wide DC input range (4.2 V – 40 V) to a precise, adjustable DC output (1.2 V – 37 V) using the classic LM317 linear regulator chip. This module is perfect for DIY electronics, microcontroller power supplies, LED systems, battery-powered projects, and other devices requiring regulated DC power.

Equipped with an adjustable potentiometer, the module allows easy tuning of the output voltage and features simple screw terminal connectors for convenient wiring. It supports a typical output current of up to 1.5 A, with possible peaks up to 2.2 A under suitable conditions.

• Name: adjustable linear regulators
• Output current: 1.5 A (minimum), 2.2 A (typical)
• Input and output voltage difference (VI - VO) : 40 VDC (maximum)
• Adjustable output voltage range: 1.2 ~ 37 v
• Working temperature: 55 ° C to + 150 ° C
• : output current 1.5 A
• The input voltage: 4.2 ~ 40 V
• Working temperature: 0 ° C to 125 ° C
• Characteristic frequency: 100 (MHz)
• Module size: 35.6 (mm) x16.8 (mm)
• Input mode: VIN input level, GND input cathode
• Output: VOUT is output level, GND output is negative
• The maximum output current, output current = 3 / (input voltage, output voltage)