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JSSC 2024第3期Power Management0.18µm

A 63 Efficiency 129-W Single-Link Multiple-Output SLiMO Isolated DCDC Converter

一种小型单链路多输出隔离DC-DC转换器设计,采用微变压器和双控制方案,实现高效能和高功率密度。
0.18-µm CMOS, 3.3-V IO, 63%峰值效率, 1.29-W最大输出功率
隔离DC-DC转换器单链路多输出微变压器数字控制高效能
单链路多输出(SLiMO)隔离DC-DC转换器设计
数字离散频率控制用于全局功率调节
基于电流旋转的控制用于局部电压调节
Abstract
This article introduces a small form-factor single- link multiple-output (SLiMO) isolated dc–dc converter design. The proposed design provides two regulated voltage rails with a single low-cost standard flexible printed circuits (FPCs)-based micro-transformer design with 6 mm diameter and 0.13 mm thickness, achieving both local voltage regulation at the secondary side and global power regulation across the isolated barrier at the primary side. A digital discrete frequency control is introduced a