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SC8903 5A adjustable buck-boost module

Overview

Nanxin SC8903 has a built-in 4mos tube BUCK-BOOST IC, and the input voltage can be higher or lower than the output voltage.

The output voltage can be adjusted through the potentiometer. The maximum output current is 5A. The input is not limited. There is a 10A current limit inside the chip. Long-term high-current operation requires additional heat dissipation. The input and output voltage cannot exceed 22V.

The test output is 10V5A, the input is 20V, the efficiency is about 94.5%, and the ripple is about 50mV

Design Files

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Update:2025-05-09 05:52:31

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