供应KF6500 同步DC-DC升压IC

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The KF6500 is synchronous, fixed frequency, step-Ip DC/DC converters delivering high efficiency in a 6-lead SOT package. Capable of supplying 3.3V at 100mA from a single AA cell input, the device contain an internal NMOS switch and PMOS synchronous rectifier. A switching frequency of 1.2MHz minimizes solution footprint by allowing the use of tiny, low profile inductors and ceramic capacitors. The current mode PWM design is intemally compensated, reducing extermal parts count. The KF6500 features continuous switching at light loads. Anti-ringing control circuitry reduces EMI concerns by damping the inductor in discontimuous mode, and the device features low shutdown curent of under luA. The device is availablein the small profile (1.1mm) SOT-23 package.

  Features

High Efficiency: Up to 92%

1.2MHz Constant Switching Frequency

3.3V Output Voltage at lout= 100mA from a Single

AA Cell; 5.0V Output Voltage at lour -500mA from one Li battery.

Low Start-up Voltage: 0.85V

Integrated main switch and synchronous rectifier.

No Schottky Diode Required

2.5V to 5V Output Voltage Range

Automatic Pulse Skipping Mode Operation

Tiny Extermal Components

<1μA Shutdown Current

Anti-ringing Control Reduces EMI

Space Saving 6-Pin SOT23 Package

  Application

Cellular and Smart Phones

Microprocessors and DSP Core Supplies

Wireless and DSL Modems

MP3 Player

Digital Still and Video Cameras

Portable Instruments

 

 同步DC-DC升压IC

 同步DC-DC升压IC

 同步DC-DC升压IC  同步DC-DC升压IC

型号/规格

KF6500

品牌/商标

KF

封装

SOT-23-6

批号

全新原装

启动电压

0.9V

输出电压

ADJ(可调)

精度

±2%

输出电流

100-500MA