# Automatic power supply module, step-down-step-up, CC-CV, 35W, 5-30V to 0.5-30V

- Page: https://sigmanortec.ro/en/automatic-power-supply-module-step-down-step-up-cc-cv-35w-5-30v-to-05-30v
- Price: 32.61 RON
- Availability: In stock; 1-2 zile
- Reference: 9426 · EAN: 5941915619862
- Category: Electronic components > Other Tension Modules
- Specifications: Power: Over 20W; Supply Voltage: 5; Minimum Output Voltage: 0.5; Maximum Output Voltage: 30; Source Type: Automatic; Current Adjustment: Yes; Voltage Adjustment: Yes; Adjustment Type: Variable; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.; Output Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.
- Package (shipping data): 0.032 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 02:22 (Europe/Bucharest)

## Description

DC-DC step-down boost power supply with automatic CC-CV control, ideal for stable power supplies and lithium battery charging. Offers 5-30V input and 0.5-30V adjustable output, 0-4A current limiting and power up to 35W without additional cooling. Maintains voltage during power supply variations, has high efficiency and LED for CC mode indication.
Automatic DC-DC voltage source module, step-up, with adjustable current and voltage, DC and CV.
It has a MOS 60V 75A and a double rectifier Schottky 60V 5A SS56.
The supply voltage is between 5 and 30VDC and the output voltage can be adjusted anywhere between 0.5 and 30VDC. The current can be limited between 0 and 4A.
It can be used to charge lithium batteries with the function of CC and CV.
It has an LED indicator for indicating the CC mode of operation, which can be used as a landmark in the completion of charging the accumulators.
The module keeps the output voltage even when the supply voltage fluctuates.
Specifications:
Supply voltage: 5 - 30VDC
Output voltage: 0.5 - 30VDC, continuously adjustable
Output current: 0 - 4A, continuously adjustable, 3A maximum in the long term, 4A maximum in ideal cooling conditions.
Output power: 35W natural cooling, 60W with adequate cooling
Conversion efficiency: 88%
Short circuit protection: Yes
Operating frequency: 180KHz
Dimensions mm: 65 x 32 x21mm
Contents: Module plus radiator