Datasheet > AIC1640-50CS

AIC1640-50CS

更新时间： 2024-09-13 04:31:59

品牌	Logo	应用领域
沛亨 - AIC		转换器
页数	文件大小	规格书
2页	37K
描述
LOW VOLTAGE STEP-UP DC/DC CONVERTER

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中文翻译

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数据手册

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AIC1640-50CS 数据手册

ADVANCE INFORMATION

AIC1640

LOW VOLTAGE STEP-UP DC/DC CONVERTER

SPEC NO: DS-1640-P1

■

DESCRIPTION

FEATURES

Guaranteed Start-Up from Below 0.9 V.

ꢀ

The AIC1640 is a high efficiency step-up DC/DC

converter for applications using 1 to 4 battery cells.

Only three external components are required to de-

liver a fixed output voltage of 3V, 3.3V, or 5V.

High Efficiency.

Low Quiescent Current.

Fixed or adjustable Output Voltage.

Logic Controlled Shutdown.

External Switch Driver available.

Pulse Frequency Modulation scheme brings opti-

mized performance for applications with light output

loading and low input voltage. The output ripple

and noise are lower compared with the circuit op-

erating in PSM mode. The AIC1640 starts up from

below 0.9V input to boost either 3V, 3.3V, or 5V

output with 1mA load.

APPLICATIONS

Pagers.

ꢀ

Cameras.

Wireless Microphones.

Pocket Organizers.

Battery Backup Suppliers.

Portable Instruments.

Some useful features include external driver for

higher power level applications, shutdown mode for

saving the life of battery, and adjustable output ver-

sion. The PFM control circuit operates in 100KHz

(max.) switching rate, resulting in smaller passive

component size, which makes the AIC1640 an ide-

al choice of DC/DC converter for space conscious

applications.

■

TYPICAL APPLICATION CIRCUIT

OUT

3.3V/100mA

3.3V

OUT

100 F

22µF

VDD

EXT

1N5819

VDD

EXT

V_IN

0.9V

GND

33 H

SB02-03C

≧

10nF

AIC1640

2SD2150

GND

88µH

≧0.9V

AIC1640

300

3.3V Output Step-Up DC/DC Converter

3.3V/100mA Step-Up DC/DC Converter

ANALOG INTEGRATIONS CORPORATION

www.analog.com.tw

4F, 9 Industry E. 9th Road, Science-based Industrial Park , Hsinchu, Taiwan, R.O.C.

TEL: (8863)577-2500 FAX:(8863)577-2510

中文翻译

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