EPH DC7-25 Adjustable Step Down Module
Specifications
| Feature | Details |
|---|---|
| Brand | EPH |
| Model | DC7-25 |
| Type | Adjustable Step-Down (Buck) Voltage Regulator Module |
| Input Voltage | DC 7V – 25V |
| Output Voltage | Adjustable: DC 1.25V – 20V (depending on load and input) |
| Output Current | Typically up to 3A (check datasheet for exact max) |
| Conversion Efficiency | ~85–95% typical |
| Adjustment Method | Precision potentiometer (variable resistor) |
| Voltage Regulation | Stable output with minimal ripple |
| Protection Features | Short-circuit protection, thermal shutdown (model-dependent) |
| Operating Temperature | -40°C to +85°C (typical) |
| Size / Dimensions | Compact PCB module (approx. 43 × 21 × 14 mm, confirm model) |
| Applications | Arduino projects, electronics prototyping, LED drivers, battery charging, DIY circuits |
| Weight | Lightweight, PCB only (~15–20 g) |
| Safety | Ensure proper heat dissipation when drawing high current |
Quick Start Guide
- Connect the DC power input to the module using the DC5.5mm*2.1mm interface.
- Select the desired output voltage (3.3V, 5V, or adjustable) using the onboard settings.
- Ensure the input voltage is between DC7V and DC25V.
- Power on the module and check the power indicator light for functionality.
Safety Information
Warnings:
- Consult a doctor before use if you are unsure about handling electrical components.
- Ensure clear space for movement while working with the module to avoid accidents.
- Keep the module dry and away from moisture.
- Wipe the module with a damp cloth for cleaning and avoid using harsh chemicals.
Contact
- Service: Contact our store support for any issues.
Documents / Resources
 | DC7-25 Adjustable Step Down Module |
References
- User Manualmanual.tools
Published: May 23, 2026