集成高效率反激式开关电源驱动芯片

BPA8618 是一款高性能、高集成度、低待机功耗的开关电源驱动芯片，适用于全电压范围 85~265VAC 输入的反激式变换器应用。BPA8618 芯片内部集成了 700V 高压 MOSFET、高压启动和自供电电路、电流采样电路。采用简单的脉冲数控制无需外部环路补偿电路，具有较高的环路带宽和快速的动态响应。 内部集成 700V 高压 MOSFET集成高压启动和自供电电路低待机功耗，<50mW@230VAC 辅助绕组供电，<150mW@230VAC 高压自供电优异的动态响应速度，无输出过冲内置软启动功能改善 EMI性能的频率调制技术高低压脚之间爬电距离>3mm (DIP-7 封装)通过 MOSFET 源极 PCB 散热，不影响 EMI保护功能;

BPS

晶丰明源

N-Channel Silicon MOSFET General-Purpose Switching Device

Features • Ultrahigh-speed switching. • 4V drive. • Composite type, facilitating high-density mounting.

文件：44.05 Kbytes 页数：4 Pages

SANYO

三洋

High Efficiency 42V/120mA Synchronous Buck

文件：2.73688 Mbytes 页数：20 Pages

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亚德诺

65V, 3.5A/5A Peak Synchronous Step-Down Silent Switcher with 2.5μA Quiescent Current

GENERAL DESCRIPTION The LT®8641A step-down regulator features Silent Switcher architecture designed to minimize EMI emissions while delivering high efficiency at frequencies up to 3MHz. Assembled in a 3mm × 4mm side wettable QFN, the monolithic construction with integrated power switches and

文件：860.49 Kbytes 页数：35 Pages

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亚德诺