高压DC-DC芯片

•产品描述:U3210是一款高性能低成本PWM控制功率器，适用于离线式小功率降压型应用场合，外围电路简单、器件个数少。同时产品启动模块内置高耐压MOSFET（650V)可提高系统浪涌耐受能力。与传统的 PWM 功率开关不同，U3210内部无固定时钟驱动 MOSFET ，系统开关频率随负载变化可实现自动调节。同时芯片采用了多模式PWM控制技术，有效简化了外围电路设计，提升线性调整率和负载调整率并消除系统工作中的可闻噪音。此外，芯片内部峰值电流检测阈值可跟随实际负载情况自动调节，可以有效降低空载情况下的待机功耗。U3210集成有完备的带自恢复功能的保护功能：VDD 欠压保护、逐周期电流限制、输出过

MICROPOWER, ULTRA-SENSITIVE HALL-EFFECT SWITCHES

MICROPOWER, ULTRA-SENSITIVE HALL-EFFECT SWITCHES The A3209Ex and A3210Ex integrated circuits are ultra-sensitive, pole independent Hall-effect switches with a latched digital output. They are especially suited for operation in battery-operated, hand-held equipment such as cellular and cordles

DC/DC Converter Applications

DC/DC Converter Applications Features • Adoption of MBIT processes. • Large current capacitance. • Low collector-to-emitter saturation voltage. • High-speed switching. • Ultrasmall package facilitates miniaturization in end products (mounting height : 0.9mm). • High allowable power dissipat

NPN Epitaxial Silicon Transistor

Switching Application (Bias Resistor Built In) • Switching circuit, Inverter, Interface circuit, Driver Circuit • Built in bias Resistor (R=4.7KΩ) • Complement to FJNS4209R

DC / DC Converter Applications

DC / DC Converter Applications Features • Adoption of MBIT processes. • High current capacitance. • Low collector-to-emitter saturation voltage. • High-speed switching. • Ultrasmall package facilitates miniaturization in end products (mounting height : 0.85mm). • High allowable power dissip

TOPFET high side switch

DESCRIPTION Monolithic single channel high side protected power switch in TOPFET2 technology assembled in a 5 pin plastic surface mount package. FEATURES ● Vertical power TrenchMOS ● Low on-state resistance ● CMOS logic compatible ● Very low quiescent current ● Overtemperature protection ●