Datasheet > FAN5602

FAN5602

更新时间： 2024-10-31 22:29:23

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
16页	616K
描述
Universal (Step-Up/Step-Down) Charge Pump Regulated DC/DC Converter

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FAN5602 数据手册

www.fairchildsemi.com

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

• Adaptive Seven 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:3.3V, 200mA at V_IN= 3.6V

The FAN5602 is a universal switched capacitor DC/DC con-

verter 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 topologies. Depending upon

actual load conditions, the device automatically switches

between constant frequency and pulse skipping (PFM)

modes of operation in order to extend battery life. The

FAN5602 produces a ﬁxed regulated output within the range

of 2.7V to 5.5V from any type of voltage source. High efﬁ-

ciency is achieved under any input/output voltage conditions

because an internal logic circuitry automatically reconﬁgures

the system to the best possible topology. Only two 1µF

bucket capacitors and one 10µF output capacitor are needed.

During power on soft start circuitry prevents excessive cur-

rent drawn from the supply. The device is protected against

short circuit and over temperature conditions.

•

3% Output Voltage Accuracy

• I_CC< 1µA in Shutdown Mode

• 1MHz Operating Frequency

• Shutdown Isolates Output from Input

• Soft-Start Limits Inrush Current at Start-up

• Short Circuit and Over Temperature Protection

• Minimum External Component Count

• No Inductors

Applications

• Cell Phones

• Handheld Computers

The FAN5602 is available with 3.3V, 4.5V, and 5.0V output

voltage. Any other output voltage option within the 1.5V to

5V range is available upon request. The FAN5602 is avail-

able in 8-lead MSOP and 3x3mm 8-lead MLP packages

• Portable RF Communication Equipment

• Core Supply to Low Power Processors

• Low Voltage DC Bus

• DSP Supplies

Typical Application

Input 2.7V to 5.5V

ENABLE

C2+

C2-

OUT

FAN5602

C1+

C1-

OUT

GND

REV. 1.1 10/7/04

12 3 4 5 6 7...16

中文翻译

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与FAN5602相关器件

型号	品牌	获取价格	描述	数据表
FAN5602_07	FAIRCHILD	获取价格	Universal (Step-Up/Step-Down) Charge Pump Regulated DC/DC Converter
FAN5602_0705	FAIRCHILD	获取价格	Universal (Step-Up/Step-Down) Charge Pump Regulated DC/DC Converter
FAN5602_09	FAIRCHILD	获取价格	Universal (Step-Up/Step-Down) Charge Pump Regulated DC/DC Converter
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

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