FAN5350

更新时间： 2024-11-02 04:18:11

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	479K
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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数据手册

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FAN5350 数据手册

July 2007

FAN5350

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

Chip-Scale and MLP Packaging

Features

Description

The FAN5350 is a step-down switching voltage 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.

3MHz Fixed-Frequency Operation

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

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.

Soft-Start Capability

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 Pb-Free

Package

Packing Method

FAN5350UCX

FAN5350MPX

Yes

-40°C to 85°C

WLCSP-5 1x1.37mm

MLP-6 3 x 3mm

Tape and Reel⁽¹⁾

Note:

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

FAN5350 Rev. 1.0.1

www.fairchildsemi.com

12 3 4 5 6 7...15

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与FAN5350相关器件

型号	品牌	获取价格	描述	数据表
FAN5350_08	FAIRCHILD	获取价格	3MHz, 600mA Step-Down DC-DC Converter in Chip-Scale and MLP Packaging
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

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