Introducing our cutting-edge DC-DC Step-Down Charging Module, a versatile and high-performance solution tailored to meet your power supply needs with precision and reliability. Designed with advanced features and robust specifications, this module offers unparalleled efficiency and stability for a wide range of applications, from high-power LED drivers to lithium battery charging systems. With its compact dimensions and comprehensive functionality, our module stands out as the ideal choice for demanding power supply tasks. Explore its exceptional capabilities and elevate your projects to new heights of performance and efficiency!
Specifications:
| Dimensions | 65mm (length) x 47mm (width) x 23.5mm (height) |
|---|---|
| Module Properties | Non-isolated step-down constant current, constant voltage (CC CV) charging module |
| Input Voltage | DC 7-32V |
| Output Voltage | (1) DC 0.8-28V continuously adjustable (2) Fixed output: Choose between 0.8V-28V |
| Output Current | 9A (cooling fan recommended if power tube temperature exceeds 65°C) |
| Constant Current Range | 0.2-9A (adjustable) |
| Turn Lamp Current | Constant current value * 0.1 (e.g., if constant current is 3A, turn lamp current is 0.3A) |
| Lowest Pressure | 1V |
| Output Power | Approximately 300W |
| Conversion Efficiency | Up to about 95% |
| Operating Frequency | 300KHz |
| Output Ripple | 20M bandwidth |
| Input 24V Output 12V | 5A ripple around 50mV (Excluding noise) |
| Output Short Circuit Protection | Yes, constant current |
| Input Reverse Polarity Protection | None |
| Output Prevent Backflow | None |
| Wiring | Terminal |
| No-load Current | Typical 20mA (24V switch to 12V) |
| Load Regulation | ± 1% (constant) |
| Voltage Regulation | ± 1% |
| Dynamic Response Speed | 5% in 200uS |
| Potentiometer Adjustment | Clockwise (increase), counterclockwise (decrease) |
| Operating Temperature | Industrial grade (-40°C to +85°C) |
Applications:
- High-power LED driver.
- Lithium battery (or lead-acid battery) charging.
- Vehicle-mounted power supply.
- Low voltage system power supply.
- Charging for 6V, 12V, 14V, 24V batteries.
- On-board laptop power supply.
- Regulated power supply.
- Low voltage power supply system.
