Datasheet > FAN5350_08

FAN5350_08

更新时间： 2024-01-05 08:13:54

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		转换器
页数	文件大小	规格书
15页	750K
描述
3MHz, 600mA Step-Down DC-DC Converter in Chip-Scale and MLP Packaging

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中文翻译

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FAN5350_08 数据手册

June 2008

FAN5350

3MHz, 600mA Step-Down DC-DC Converter in

Chip-Scale and MLP Packaging

Features

Description

The FAN5350 is

step-down switching voltage

3MHz Fixed-Frequency Operation

regulator that delivers a fixed 1.82V from an input

voltage supply of 2.7V to 5.5V. Using a proprietary

architecture with synchronous rectification, the

FAN5350 is capable of delivering 600mA at over 90%

efficiency, while maintaining a very high efficiency of

over 80% at load currents as low as 1mA. The regulator

operates at a nominal fixed frequency of 3MHz at full

load, which reduces the value of the external

components to 1µH for the output inductor and 4.7µF

for the output capacitor.

16µA Typical Quiescent Current

600mA Output Current Capability

2.7V to 5.5V Input Voltage Range

1.82V Fixed Output Voltage

Synchronous Operation

Power-Save Mode

Soft-Start Capability

At moderate and light loads, pulse frequency

modulation is used to operate the device in power-save

mode with a typical quiescent current of 16µA. Even

with such a low quiescent current, the part exhibits

excellent transient response during large load swings.

At higher loads, the system automatically switches to

fixed-frequency control, operating at 3MHz. In shutdown

mode, the supply current drops below 1µA, reducing

power consumption.

Input Under-Voltage Lockout (UVLO)

Thermal Shutdown and Overload Protection

6-Lead 3 x 3mm MLP

5-Bump 1 x 1.37mm WLCSP

Applications

The FAN5350 is available in a 6-lead Molded Leadless

Package (MLP) and a 5-bump Wafer Level Chip Scale

Package (WLCSP).

Cell Phones, Smart-Phones

Pocket PCs

WLAN DC-DC Converter Modules

PDA, DSC, PMP, and MP3 Players

Portable Hard Disk Drives

Ordering Information

Operating

Temperature Range

Part Number

Package

Packing Method

Eco Status

FAN5350UCX

FAN5350MPX

-40°C to 85°C

WLCSP-5 1x1.37mm

MLP-6 3 x 3mm

Green

Tape and Reel

-40°C to 85°C

For Fairchild’s definition of “green” Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.

Please refer to tape and reel specifications on www.fairchildsemi.com; http://www.fairchildsemi.com/packaging.

FAN5350 Rev. 1.0.3

www.fairchildsemi.com

12 3 4 5 6 7...15

中文翻译

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与FAN5350_08相关器件

型号	品牌	获取价格	描述	数据表
FAN5350MPX	FAIRCHILD	获取价格	3MHz, 600mA Step-Down DC-DC Converter in Chip-Scale and MLP Packaging
FAN5350MPX	ONSEMI	获取价格	3MHz 600mA DC/DC 降压转换器，采用 WLCSP 和 MLP 封装
FAN5350UCX	FAIRCHILD	获取价格	3MHz, 600mA Step-Down DC-DC Converter in Chip-Scale and MLP Packaging
FAN53525	FAIRCHILD	获取价格	3.0A, 2.4MHz, Digitally Programmable TinyBuck Regulator
FAN53525	ONSEMI	获取价格	3.0A, 2.4MHz, Digitally Programmable TinyBuck Regulator
FAN53525UC48X	ONSEMI	获取价格	3.0A, 2.4MHz, Digitally Programmable TinyBuck Regulator
FAN53525UC48X	FAIRCHILD	获取价格	3.0A, 2.4MHz, Digitally Programmable TinyBuck Regulator
FAN53525UC96X	ONSEMI	获取价格	3.0A, 2.4MHz, Digitally Programmable TinyBuck Regulator
FAN53525UC96X	FAIRCHILD	获取价格	3.0A, 2.4MHz, Digitally Programmable TinyBuck Regulator
FAN53526	ONSEMI	获取价格	3.0 A, 2.4 MHz, Digitally Programmable TinyBuck Regulator

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