Datasheet > FAN5602_09

FAN5602_09

更新时间： 2024-11-01 10:28:11

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		转换器泵
页数	文件大小	规格书
13页	1256K
描述
Universal (Step-Up/Step-Down) Charge Pump Regulated DC/DC Converter

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FAN5602_09 数据手册

August 2009

FAN5602 — Universal (Step-Up/Step-Down) Charge

Pump Regulated DC/DC Converter

Features

Description

■

Low-Noise, Constant-Frequency Operation at Heavy Load

High-Efficiency, Pulse-Skip (PFM) Operation at Light Load

The FAN5602 is a universal switched capacitor DC/DC

converter capable of step-up or step-down operation.

Due to its unique adaptive fractional switching topology,

the device achieves high efficiency over a wider input/

output voltage range than any of its predecessors. The

FAN5602 utilizes resistance-modulated loop control,

which produces lower switching noise than other topolo-

gies. Depending upon actual load conditions, the device

automatically switches between constant-frequency and

pulse-skipping modes of operation to extend battery life.

■

■Switch Configurations (1:3, 1:2, 2:3, 1:1, 3:2, 2:1, 3:1)

■92% Peak Efficiency

■Input Voltage Range: 2.7V to 5.5V

■Output Current: 4.5V, 100mA at V_IN= 3.6V

■±3% Output Voltage Accuracy

■I_CC< 1µA in Shutdown Mode

■1MHz Operating Frequency

■Shutdown Isolates Output from Input

■Soft-Start Limits Inrush Current at Startup

■Short-Circuit and Over-Temperature Protection

■Minimum External Component Count

■No Inductors

The FAN5602 produces a fixed regulated output within

the range of 2.7V to 5.5V from any type of voltage

source. High efficiency is achieved under various input/

output voltage conditions because an internal logic circuit

automatically reconfigures the system to the best possi-

ble topology. Only two 1µF bucket capacitors and one

10µF output capacitor are needed. During power on,

soft-start circuitry prevents excessive current drawn from

the supply. The device is protected against short-circuit

and over-temperature conditions.

Applications

■Cell Phones

■Handheld Computers

■Portable RF Communication Equipment

■Core Supply to Low-Power Processors

■Low-Voltage DC Bus

The FAN5602 is available with 4.5V and 5.0V output volt-

ages in a 3x3mm 8-lead MLP package.

■DSP Supplies

Ordering Information

Part Number

FAM6502MP45X

FAN5602MP5X

Package

Eco Status

Green

Output Voltage, N_VOM

3x3mm 8-Lead MLP

4.5V

5.0V

Green

Note:

1. Reference MLP08D Option B ONLY.

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

Application Diagram

Input 2.7V to 5.5V

C2+

ENABLE

OUT

FAN5602

C1+

C1-

C2-

GND

Figure 1. Typical Application Diagram

FAN5602 Rev. 1.5.3

www.fairchildsemi.com

12 3 4 5 6 7...13

中文翻译

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与FAN5602_09相关器件

型号	品牌	获取价格	描述	数据表
FAN5602MP33X	FAIRCHILD	获取价格	Universal (Step-Up/Step-Down) Charge Pump Regulated DC/DC Converter
FAN5602MP33X_NL	FAIRCHILD	获取价格	Switched Capacitor Regulator, Current-mode, 1300kHz Switching Freq-Max, 3 X 3 MM, LEAD FRE
FAN5602MP45X	FAIRCHILD	获取价格	Universal (Step-Up/Step-Down) Charge Pump Regulated DC/DC Converter
FAN5602MP45X_NL	FAIRCHILD	获取价格	暂无描述
FAN5602MP50X	FAIRCHILD	获取价格	Analog Circuit, CMOS, PDSO8,
FAN5602MP5X	ONSEMI	获取价格	电荷泵，调节步升/步降 DC-DC 转换器
FAN5602MP5X	FAIRCHILD	获取价格	Universal (Step-Up/Step-Down) Charge Pump Regulated DC/DC Converter
FAN5602MU33X	FAIRCHILD	获取价格	Universal (Step-Up/Step-Down) Charge Pump Regulated DC/DC Converter
FAN5606	FAIRCHILD	获取价格	Serial LED Driver with Current-Regulated, Step-Up DC/DC Converter
FAN5606DMPX	FAIRCHILD	获取价格	Serial LED Driver with Current-Regulated, Step-Up DC/DC Converter

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