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LM317 DC to DC Converter Step Down Power Supply

LM317 DC to DC Converter Step Down Power Supply

Regular price Rs. 67
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  • This is LM317 DC to DC Converter
  • LM317 DC-DC converter lowers DC source voltage from one level to another.
  • It is commonly used in portable electronic devices like laptops and cell phones.
  • It allows easy adjustment of step-down voltage and results in higher efficiency.
  • The output current ranges from 1.5A (Min) to 2.2A (Typical).
  • It has an adjustable output voltage range of 1.2~37V and can handle up to 40Vdc input-output voltage differential (VI-VO).
  • Operating temperature range is 0~125 ℃, and it uses VIN input positive level and GND input negative for input method, and VOUT output positive level and GND output negative for output method.

LM317 DC to DC Converter Step Down Power Supply

The LM317 DC-DC converter is a crucial electronic circuit used to lower a DC source voltage from one level to another. It finds significance in portable electronic devices like laptops and cell phones that primarily rely on battery power. Instead of using multiple batteries to obtain the desired voltage level, this module allows for easy adjustment of the step-down voltage and results in higher efficiency.

Package Includes:

  • 1 x LM317 DC to DC Converter Step Down Power Supply


Model  LM317
Type  DC to DC Converter Step Down
Input  3V 30V DC
Output  3V DC
Dimensions  3 x 2 x 1cms 
Weight 5 grams

Shipping & Returns

  • All orders confirmed before 3 pm IST are shipped on the
    same day, barring rare pickup delays on holidays or disturbances
  • Delivery time in Metro cities is 1-3 days, Others it is
    3-7 days. It varies based on location, reliant on courier services
  • Return window: 7 days from receipt unless stated
    otherwise. No refunds/replacements after
  • Returns only for non-working/damaged products are accepted
  • Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
  • Refunds are processed within 3-4 working days post inspection and approval.

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1. What is DC to DC converter using LM317?

An electronic circuit known as a DC to DC converter utilizing the LM317 regulates a DC source voltage by converting it from a higher level to a lower level. The LM317 is a versatile 3-terminal positive voltage regulator that is frequently utilized for voltage regulation in DC circuits. This component goes by various names, including buck converter, step-down power supply, and DC-DC linear regulator. The LM317 DC-DC converter holds significance in certain portable electronic gadgets like cell phones and laptops, which mainly rely on battery power. Additionally, it is possible to construct an adjustable DC power supply circuit using the LM317.

2. What is LM317 used for?

The LM317 is a versatile voltage regulator that is adjustable and linear in nature, and it finds use in numerous applications such as local and on-card regulation, programmable output regulation, and precise current regulation. With an output-voltage range of 1.25 V to 37 V, it is capable of delivering over 1.5 A of power. Apart from its primary function as a voltage regulator, the LM317 can also be employed to design other circuits such as adjustable regulator circuits, circuits that limit current with precision, and pre-regulator circuits that track the input voltage.

3. Why is LM317 used in power supply?

The LM317 is a highly versatile component that enables quick, cost-effective, and efficient creation of variable voltage power supplies. This adjustable 3-terminal positive voltage regulator can generate various DC voltage outputs, in contrast to fixed voltage power supplies. Acting as a valve that permits current flow in one direction while restricting it in another, the LM317 serves as a voltage regulator. This feature makes it a popular choice for power supply circuits, as it delivers a steady output voltage, regardless of fluctuations in the input voltage or load current.