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- ZH
- Last added
- 2026-10-01
Featured FARE manuals
FARE FP5139 Boost Converter Application Note
This application note explains the FP5139 boost‑converter controller IC. It covers the internal block diagram, pin descriptions, functional theory, and design equations for a high‑efficiency step‑up power supply.
The document includes design‑limit guidelines, soft‑start and short‑circuit protection operation, PWM comparator behavior, PCB layout tips, and a complete bill of materials for an evaluation board. This manual is written in Chinese.
Covers: 前言 · 內部方塊圖 · 設計限制 · 接腳描述 · 功能說明與公式計算 · 軟啟動與短路保護
Latest FARE manuals
FARE FP5139 Boost Converter Application Note
Other 41 pages · 594 KB · ZHThe FARE FP5139 application note describes the IC’s architecture, pin functions, design limits, soft‑start, short‑circuit protection, and provides example…
Questions answered in FARE manuals
What is the reference voltage of the FP5139?
The FP5139 provides a 0.5 V reference voltage with a tolerance of ±2 %.
How does the soft‑start function work?
During power‑on, the soft‑start circuit limits the PWM duty cycle until the output voltage reaches a stable level, preventing a sudden jump to full duty.