Datasheet > AIC1631-3CN

AIC1631-3CN

更新时间： 2024-02-26 14:33:05

品牌	Logo	应用领域
沛亨 - AIC		转换器
页数	文件大小	规格书
10页	286K
描述
2-Cell, 500mA, Step-Up DC/DC Converter

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AIC1631-3CN 数据手册

AIC1631

2-Cell, 500mA, Step-Up DC/DC Converter

ꢀ^DESCRIPTION

ꢀ^FEATURES

High Efficiency 90%.

ꢀ

The AIC1631 is a high efficiency step up DC-

Adjustable Output Voltage with Two Resistors

ꢀ

DC converter. Only four external components

are required to deliver a fixed voltage of 3V,

3.3V, or 5V. The output voltage can be exter-

nally set to an arbitrary value below breakdown

voltage of the power switch for AIC1631A. Effi-

ciency beyond 87% can be easily achieved at

100mA load with 2.2V to 3V input voltages.

(AIC1631A)

Power-Saving Shutdown Mode (7µA typical).

Internal 2A Switch.

120KHz Switching Rate.

Adjustable Switch Current Limit.

On-Chip Low Battery Detector.

ꢀ

Logic-controlled shutdown mode is provided for

power saving. Switch current limit can be pro-

grammed with a resistor. The low battery de-

tector can be configured as a linear regulator or

a burst mode controller performing an extremely

low supply current operation.

ꢀ^APPLICATIONS

Palmtop & Notebook Computers.

ꢀ

Pocket Organizers.

ꢀ

Cameras.

ꢀ

Pagers.

ꢀ

Battery Backup Supplies.

ꢀ

Portable Instruments.

ꢀ

120KHz switching rate reduces the inductor size.

Inductors of 25µH to 50µH inductance are re-

commended for most applications.

ꢀ^{TYPICAL APPLICATION CIRCUIT}

100Ω

NORMAL

R_ILIM

+V_IN

50µH

ILIM/SD

VIN

VOUT

LBI

100µF

1N5819

+V_OUT

LBO

(3.3V)

LOAD

100µF

SGND

CGND

Note: V_IN≥1.8V, V_OUT≤7V

AIC1631

High Efficiency Step-Up DC/DC Converter

Analog Integrations Corporation 4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC

DS-1631-04 Dec 27, 00 TEL: 886-3-5772500 FAX: 886-3-5772510

www.analog.com.tw

12 3 4 5 6 7...10

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