DC-DC 3A 5V-12V 24V to 3.3V Step-down Power Supply Module

(1 customer review)

In stock

SKU: 1121294
  1. Maximum Output Current: 3.3A MAX
  2. Conversion efficiency: can up to 97.5%
  3. Switch frequency: 500KHz
  4. Operating temperature: Industrial grade (-40 ° to + 85 °)
  5. Improve conversion efficiency
  6. High-quality USB port


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In stock

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Brand: Generic
Category: Buck Converter

This mini DC-DC step-down voltage converter module supports 5-12 voltage input and 3.3V output with input polarity reverse protection and output overvoltage protection, short circuit protection.

It adopts synchronous rectification technology to ensure ultra-high power conversion of up to 97.5% to take full use of your input power.


  1.  Improve conversion efficiency
  2. Small size, Compact Size
  3. Input with reverse polarity protection diode, will not damage when input connect incorrectly

Package Includes:

1 x DC-DC 3A 5V-12V 24V to 3.3V Step-down Power Supply Module

SKU: 1121294 Category:
Input Mode


Output Voltage


Maximum Output Current


Maximum Conversion Efficiency


Full load temperature

30 °C

Switching Frequency


Voltage Regulation


Dynamic Response Speed

5% 200uS

Shipping Weight 0.014 kg
Shipping Dimensions 4 × 3 × 1 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 1 review

5.0 overall

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  1. Akshay Chougule


    Akshay Chougule

Questions and answers of the customers

    Hi I am using this module for 24V input, can this ... Read more
  1. 0 votes
    Q Hi I am using this module for 24V input, can this module is suitable for that environment? answer now
    Asked by msingh on April 12, 2024 4:59 pm

    No, it is not suitable for 24V input. It is des... Read more

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Country Of Origin: China