Datasheet > 1653

1653

更新时间： 2024-11-21 05:56:43

品牌	Logo	应用领域
沛亨 - AIC		转换器
页数	文件大小	规格书
11页	218K
描述
Micropower Inverting DC/DC Converter in SOT-23-5

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1653 数据手册

AIC1653

Micropower Inverting DC/DC Converter in SOT-23-5

ꢀFEATURES

ꢀDESCRIPTION

ꢁ Low Quiescent Current:

ꢂ 15µA in Active Mode

ꢂ <1µA in Shutdown Mode

The AIC1653 is a micropower inverting DC/DC

converter in 5-lead SOT-23 package. It is designed

for power systems with a 100mA current limit and

an input voltage ranging from 1.8V to 10V. Besides,

AIC1653 features a quiescent current of only 15µA

at no load, which further reduces to 0.5µA when

shutdown. The schemes of current limited and

fixed off-time control conserve operating current,

resulting in high efficiency over a broad range of

load current. In addition, the 30V switch of

AIC1653 allows high voltage outputs up to -28V,

which is easily generated without the use of costly

transformers. The AIC1653’s low off-time of 400ns

permits the use of tiny, low profile inductors and

capacitors to minimize footprint and cost in

space-conscious portable applications.

ꢁ Operates with VIN as Low as 1.8V

ꢁ Uses Small Surface Mount Components

ꢁ High Output Voltage: Up to -28V

ꢁ Low profile 5-Lead SOT-23-5 Package

ꢀAPPLICATIONS

ꢁ LCD Bias

ꢁ Hand-Held Computers

ꢁ Battery Backup

ꢁ Digital Still Cameras

ꢀTYPICAL APPLICATION CIRCUIT

V_OUT

V_IN

22µH

-6V/14mA

2.5V~5V

0.22µF

4.7µF

VIN

150k

RB521S-30

4.7µF

SHDN

GND

NFB

39K

AIC1653

L1,L2: TOKO D312F 22µH

D1: Rohm RB521S-30

C1,C2,C3: TAIYO YUDEN Ceramic capacitors

Analog Integrations Corporation

4F, 9 Industry E. 9th Rd, Science-Based Industrial Park, Hsinchu, Taiwan

TEL: 886-3-5772500 FAX: 886-3-5772510 www.analog.com.tw

DS-1653-02 122203

12 3 4 5 6 7...11

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