

The Mean Well DDR-60L-12 is a compact, high-efficiency DC-DC converter designed to step down voltage levels while providing a stable 12V DC output. This component is ideal for applications requiring reliable power conversion in industrial control systems, telecommunications, and battery-powered devices. Its robust design ensures high performance and durability in demanding environments.








The following table outlines the key technical specifications of the DDR-60L-12:
| Parameter | Value |
|---|---|
| Input Voltage Range | 9 ~ 36V DC |
| Output Voltage | 12V DC |
| Output Current | 5A |
| Output Power | 60W |
| Efficiency | Up to 92% |
| Operating Temperature | -40°C to +85°C |
| Dimensions | 25.4mm x 93mm x 102mm |
| Weight | 0.3 kg |
| Protection Features | Overload, Overvoltage, Short Circuit |
The DDR-60L-12 features a screw terminal block for input and output connections. Below is the pin configuration:
| Pin | Label | Description |
|---|---|---|
| 1 | +V Input |
Positive input voltage terminal (9 ~ 36V DC) |
| 2 | -V Input |
Negative input voltage terminal (ground) |
| 3 | +V Output |
Positive output voltage terminal (12V DC) |
| 4 | -V Output |
Negative output voltage terminal (ground) |
+V Input and -V Input terminals. Ensure the input voltage is within the specified range to avoid damage.+V Output and -V Output terminals. The output will provide a stable 12V DC.The DDR-60L-12 can be used to power an Arduino UNO by providing a stable 12V DC supply. Below is an example circuit and code:
+V Output of the DDR-60L-12 to the Arduino UNO's VIN pin.-V Output of the DDR-60L-12 to the Arduino UNO's GND pin.// Example code for Arduino UNO powered by DDR-60L-12
// This code blinks an LED connected to pin 13
void setup() {
pinMode(13, OUTPUT); // Set pin 13 as an output
}
void loop() {
digitalWrite(13, HIGH); // Turn the LED on
delay(1000); // Wait for 1 second
digitalWrite(13, LOW); // Turn the LED off
delay(1000); // Wait for 1 second
}
| Issue | Possible Cause | Solution |
|---|---|---|
| No output voltage | Input voltage is out of range | Verify the input voltage is between 9 ~ 36V DC. |
| Output voltage is unstable | Overload or insufficient input power | Reduce the load or check the input power source. |
| Converter overheating | Poor ventilation or excessive load | Ensure proper airflow and reduce the load. |
| Short circuit protection is triggered | Output terminals are shorted | Check and correct the output connections. |
Can the DDR-60L-12 be used with a 24V battery system?
Yes, the DDR-60L-12 supports input voltages up to 36V DC, making it compatible with 24V battery systems.
What happens if the input voltage exceeds 36V?
The converter may be damaged. Always ensure the input voltage stays within the specified range.
Is the DDR-60L-12 suitable for outdoor use?
The DDR-60L-12 is not weatherproof. If used outdoors, it must be housed in a weatherproof enclosure.
Can I use the DDR-60L-12 to power multiple devices?
Yes, as long as the total load does not exceed 5A or 60W.
By following this documentation, users can effectively integrate the DDR-60L-12 into their projects and ensure reliable performance.