Datasheet > FAN5601

FAN5601

更新时间： 2024-02-02 21:05:19

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
14页	434K
描述
Regulated Step-Down Charge Pump DC/DC Converter

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FAN5601 数据手册

www.fairchildsemi.com

FAN5601

Regulated Step-Down Charge Pump DC/DC Converter

Features

Description

• > 85% Peak Efﬁciency

• Low EMI

• Low Ripple

• Output Voltage 1.3V/1.8V

• Input Voltage Range: 2.2V to 5.5V

• Output Current: Up to 250mA

The FAN5601 is an advanced third generation switched

capacitor step down DC/DC converter utilizing Fairchild’s

proprietary ScalarPump™ technology. This innovative archi-

tecture utilizes scalar switch re-conﬁguration and fractional

switching techniques to produce low output ripple, low ESR

spikes and improve efﬁciency over a wide load range.

•

2.5% Output Voltage Accuracy

• 30µA Operating Current

• I_CC< 1µA in Shutdown Mode

• 2MHz Operating Frequency

• Shutdown Isolates Output from Input

• Soft-Start Limits Inrush Current

• Short Circuit and Over Temperature Protection

• Minimum External Component Count

• 6-Lead 3x3mm MLP Package

The FAN5601 produces a ﬁxed regulated output from 2.2V

to 5V input voltage. Customized output voltages are avail-

able in 100mV increments from 1V to 1.8V. Contact market-

ing for customized outputs.

In order to maximize efﬁciency, the FAN5601 achieves

regulation by skipping pulses. Depending upon load current,

the size of the switches is scaled dynamically, consequently,

current spikes and EMI are minimized. An internal soft start

circuitry prevents excessive current drawn from the supply.

The device is internally protected against short circuit and

over temperature conditions.

Applications

• Cell Phones

• Handheld Computers

• Portable Electronic Equipment

• Core Supply to Next Generation Processors

• Low Voltage DC Bus

• Digital Cameras

The FAN5601 is available in 6-lead 3x3mm MLP.

ScalarPump^™is a registered trademark of Fairchild Semiconductor Corporation.

• DSP Supplies

Typical Application

= 1µF

C+

C-

INPUT 2.2V to 5.5V

OUTPUT 1.0V to 1.8V

OUT

= 10µF

OUT

ENABLE GND

REV. 1.0.4 4/4/05

12 3 4 5 6 7...14

中文翻译

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