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Non-isolated step-down DC-DC converter

Overview

This reference design provides design guidance, data, and other content for multiple non-isolated step-down DC-DC converter power supplies. A variety of power supplies are optimized for a variety of outputs, loads, and board mounting areas. Description Input voltage DC 12V Output voltage/current 5V/5A, 5V/8A, 5V/12A, 3.3V/10A, 3.3V/13.3A, 3.3V/18.2A, 1.5V/10A, 1.05V/10A optimized for each The designs are optimized for efficiency at 50% load and 100% load and small size Design changes 24 features Appearance pictures of non-isolated step-down DC-DC converters 8 types of non-isolated step-down DC-DC converters with synchronous rectification Power supply circuit designs for different output voltages and output powers. There are 3 variations of each power supply circuit design.

Blockdiagram

Design Files

Documentation

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2025-06-20 18:02:16

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