Fairchild FAN5365 6MHz数字编程电源稳压方案

Fairchild 公司的FAN5365是1A/0.8A的6MHz数字编程电源稳压器,输出电压可从I2C接口调整,6位VOUT从0.75V到1.975V,支持800A或1A的负载电流,支持智能手机,数据卡,手持计算机中的低压DSP和处理器,核电源和存储器模块.6MHz的效率高达88%,VIN从2.3V到 5.5V,具有极好的负载和线路瞬态响应特性,PWM模式的DC电压精度±2%,主要用在3G, WiFi®, WiMAX™和WiBro® 数据卡,上网本,平板电脑等.本文介绍了FAN5365主要特性,方框图, 典型应用框图和推荐的外接元件.

FAN5365: 1A / 0.8A, 6MHz Digitally Programmable Regulator

The FAN5365 is a high-frequency, ultra-fast transient response, synchronous step-down, DC-DC converter optimized for low-power applications using small, low-cost inductors and capacitors. The FAN5365 supports up to 800mA or 1A load current.

The FAN5365 is ideal for mobile phones and similar portable applications powered by a single-cell Lithium-Ion battery.

With an output voltage range adjustable via I2C™ interface from 0.75V to 1.975V, it supports low-voltage DSPs and processors, core power supplies, and memory modules in smart phones, data cards, and hand-held computers.
..

查看全文