带软启动的1.5MHz, 800mA同步整流降压型 DC-DC变换器

EUP3408是一款恒定频率，采用电流模脉宽调制（PWM）架构的降压型DC-DC变换器，集成了主开关和同步整流开关，可以获得更高的效率。2.5V～5.5V的输入电压范围使得EUP3408成为单节锂（离子）电池、三节镍氢电池或三节镍镉电池供电应用的理想选择。输出电压可调节低至0.6V。EUP3408可以提供800mA的负载电流。100%占空比下的低压降工作，延长了电池在便携系统中的使用寿命。\n开关频率在内部被设定为1.5MHz，因此可以采用小尺寸的表面贴装电感和电容，内部集成了同步整流开关，不再需要外接肖特基二极管，提高了效率。EUP3408提供输出电压可调版本以及1.2V、1.8V、 •高效率\n•1.5MHz的恒定开关频率\n•高达800mA的输出电流\n•静态电流典型值为270μA\n•输入电压范围2.5V～5.5V\n•输出电压可调节，最低0.6V\n•低压降工作，可达100%占空比\n•无需肖特基二极管\n•短路和过温保护\n•出色的电压及负载瞬态响应\n•关断电流\n•软启动功能\n•输出过压保护\n•1.2V、1.8V、3.3V固定输出电压版本以及可调版本\n•SOT23-5，TSOT23-5封装\n•符合RoHS规范及Pb-Free;

1.5MHz, 800mA Synchronous Step-Down Converter with Soft Start

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GSM Power Management System

GENERAL DESCRIPTION The ADP3408 is a multifunction power system chip optimized for GSM handsets, especially those based on the Analog Devices AD20msp430 system solution. It contains six LDOs, one to power each of the critical GSM subblocks. Sophisticated controls are available for power-up during

Ultrahigh-Speed Switching Applications

Ultrahigh-Speed Switching Applications Features • Low ON-resistance. • Ultrahigh-speed switching. • 2.5V drive.

Timing Generator and Signal Processor for Frame Readout CCD Image Sensor

Description The CXD3408GA is a timing generator and CCD signal processor IC for the ICX406 CCD image sensor. Features • Timing generator functions • Horizontal drive frequency 18MHz (base oscillation frequency 36MHz) • Supports frame readout/draft (quadruple speed) /AF (auto-focus) • High-sp

Ultrahigh-Speed Switching Applications

Ultrahigh-Speed Switching Applications Features • Low ON-resistance. • Ultrahigh-speed switching. • 4V drive.

Smart Dual Lowside Power Switch

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