# DC-DC Step Down Buck Converter (15~24V to 12V/12A)

**Type:** Product page · **SKU:** DFR1208 · **Brand:** [DFRobot](https://core-electronics.com.au/brands/dfrobot-australia)
**Page:** https://core-electronics.com.au/dc-dc-step-down-buck-converter-24v-to-12v-12a-dfrobot.html ([markdown](https://core-electronics.com.au/dc-dc-step-down-buck-converter-24v-to-12v-12a-dfrobot.html.md))

The 12A DC-DC Buck Converter is an efficient 5-24V to 12V step-down module with over-temperature & short-circuit protection. Ideal for drones, robots &...

## Pricing

- **Price:** $26.40 (inc GST) — $24.00 AUD, exc GST

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 2 today, and up to 26 more in 8–12 days.

## Description

This DC-DC step-down converter module is designed to efficiently reduce a **high input voltage (15-24V) to a stable 12V output, supporting up to 12A of current**. The module offers high conversion efficiency (over 95%), with minimal ripple noise (under 50mV), making it suitable for power-sensitive applications. It also includes built-in protection features such as over-temperature protection (up to 125°C) and short circuit protection, ensuring the safe operation of both the module and connected devices.

**High Conversion Efficiency**

Achieves greater than 95% efficiency with 24V input and 1-12A load, minimizing energy loss and ensuring reliable power conversion for demanding applications.

**Over-Temperature and Short Circuit Protection**

Features over-temperature protection up to 125°C and output short circuit protection, safeguarding the module and connected devices from damage.

**Thermal Management for High-Current Loads**

A built-in thermal pad allows for enhanced heat dissipation when soldered to a larger copper area, providing improved performance under heavy load conditions.

The module features three control pins:

![Pin and Dimension Diagram of DC-DC step-down converter module](https://dfimg.dfrobot.com/enshop/image/data/DFR1208/1.jpg)

Figure: Pin and Dimension Diagram of DC-DC step-down converter module

11. EN: Floating (open) to enable the output, connected to ground to disable the output. It can be controlled by a microcontroller's IO pin with a 1K resistor in series.
12. AGND: When control is needed from a microcontroller, connect a single ground point to this pad.
13. PGOOD: Outputs a high level (5V) when the output voltage is normal. Outputs a low level (0V) when there is an abnormal output voltage or a short circuit.
**Conversion Efficiency**

![Conversion efficiency (Input 24V, output 12V, with a load ranging from 1 to 12A)](https://dfimg.dfrobot.com/enshop/image/data/DFR1208/2.webp)

Figure: Conversion efficiency (Input 24V, output 12V, with a load ranging from 1 to 12A)

### Specification

18. Input Voltage: DC 15~24V
19. Output Voltage: DC 12V ±1%
20. Max Output Current: 12A
21. Output Ripple Noise: <50mV (1~12A load)
22. Conversion Efficiency: >95% (input 24V, load 1-12A)
23. Static Current (EN floating): <3mA
24. Static Current (EN grounded): <3µA
25. Operating Temperature: -25? ~ +70?
26. Output Short Circuit Protection: Yes
27. Over-Temperature Protection: 125°C
28. Dimensions: 30 x 26 x 8mm

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/D/F/DFR1208-1.jpg)