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DER-270 - 125 W LLC DC-DC resonant converter designed using HiperLCS LCS701HG

Overview

This document is an engineering report describing the design of a 12 V and 24 V, 125 W LLC DC-DC converter using an LLC power stage IC integrated with the LCS701HG. This power supply is suitable for LCD TVs with LED backlight. The television circuit board requires 12 VDC and 380 VDC inputs. This document includes power supply specifications, circuit diagrams, bill of materials, transformer specification files, printed circuit board layout and performance data.

Blockdiagram

Design Files

All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.

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:2025-05-10 03:48:39

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