PMP41175
Isolated bias supply reference design using PSR flyback topology with planar transformer
PMP41175
概述
This reference design is a tiny three channel isolated bias supply based on Flyback topology. Providing the voltage supply for isolated gate drivers is a typically use case. The design integrates three 21V, 2W isolated outputs and one 7V non- isolated auxiliary output. The design uses a planar transformer integrated into the printed circuit board (PCB) to reduce the board height and system cost. The LM5158-Q1 converter supports primary-side regulation (PSR) by using an auxiliary winding on the primary side. The maximum efficiency is 88%.
特性
- Primary-side regulated flyback for three outputs (21V, 2W) with planar transformer
- Peak efficiency 88% at 6W full load
- Low transformer Parasitic capacitance (<10pF)
- Low height (9mm)
- Compact size in 50mm × 29mm
我们开发的全面组装电路板仅用于测试和性能验证，不可用于销售。
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| 顶层文档 | 类型 | 标题 | 格式选项 | 下载最新的英语版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 测试报告 | Isolated Bias Supply Reference Design Using PSR Flyback Topology with Planar Transformer | PDF | HTML | 2026-4-24 |