Datasheet > FAN5665_08

FAN5665_08

更新时间： 2024-02-16 06:26:53

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		泵
页数	文件大小	规格书
15页	709K
描述
High-Efficiency, Adaptive Charge Pump 5V Boost

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FAN5665_08 数据手册

February 2008

FAN5665

High-Efficiency, Adaptive Charge Pump 5V Boost

Features

Description

The FAN5665 is a 5V switched capacitor step-up

DC/DC converter with an input voltage range from 2.9V

to 5.5V. Switch reconfiguration and fractional switching

techniques are utilized to achieve high efficiency over

the entire input voltage range.

5V Fixed Output Voltage

30mA Maximum Output Current

Built-in Charge Pump with Three Modes of

Operation: 1×, 1.5×, and 2×

The FAN5665 includes built-in under-voltage lockout,

short circuit, and thermal protection circuitry.

Minimum External Components

Flying Capacitors Only 0.22µF

The FAN5665 is available in an 8-bump 0.4mm pitch

WLCSP package.

Low-noise, Constant-frequency Operation (1.2MHz)

at Heavy Loads

High-efficiency, Low-frequency Operation at Light

Loads

Low Quiescent Current

C1-

GND

Up to 92% Efficiency

2.9V to 5.5V Input Voltage Range

Soft-start for Limiting Inrush Current

Input Under-Voltage Lockout Protection (UVLO)

Short-Circuit Protection (SCP)

+2.9 to 5.5V

0.22µF

VIN

C1+

C_IN

2.2µF

+5V

C2+

C2-

VOUT

C_OUT

2.2µF

Thermal Shutdown Protection (TSD)

8-bump 1.21 x 1.21mm, 0.4mm Pitch WLCSP

0.22µF

Applications

USB I/O Supply Regulators

Figure 1. Typical Application

Cell Phones, Smart-Phones

Pocket PCs

PDA, DSC, PMP, and MP3 Players

Ordering Information

Part Number Operating Temperature Range

Package

Packing Method

8-Lead Wafer-Level Chip-Scale

Package (WLCSP), 1.21x1.21mm

FAN5665UCX

-40°C to +85°C

Tape and Reel

All packages are lead free per JEDEC: J-STD-020B standard.

FAN5665 • Rev. 1.0.1

www.fairchildsemi.com

12 3 4 5 6 7...15

中文翻译

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