AIC1652CS Analog Intergrations Corporation, AIC1652CS Datasheet

AIC1652CS

Manufacturer Part Number

AIC1652CS

Description

SOP-8

Manufacturer

Analog Intergrations Corporation

Datasheet

1.AIC1652CS.pdf (6 pages)

Specifications of AIC1652CS

Date_code

08+

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

AIC1652CS

Quantity:

5 510

Current page: 1 of 6
Download datasheet (58Kb)

ANALOG INTEGRATIONS CORPORATION

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

FEATURES

APPLICATIONS

TYPICAL APPLICATION CIRCUIT

ORDERING INFORMATION

2.4V to 7V Input Voltage Operation.

Adjustable Output Voltage up to -40V.

Low Quiescent Current at 80 A.

Pulse Frequency Modulation Maintains High

Efficiency (87%).

70KHz to 160KHz Switching Frequency.

Power-Saving Shutdown Mode (0.7 A Typical).

High Efficiency with Low Cost External PNP

Bipolar Transistor.

AIC1652 XX

100 F

Negative LCD Contrast Bias for

1. Notebook & Palmtop Computers.

2. Pen-Based Data System.

3. Portable Data Collection Terminals.

4. Personal Digital Assistants.

Negative Voltage Supply.

0.047 F

Negative LCD Contrast Bias Power Supply

100K

VIN

VREF

SHDN

PACKAGE TYPE

N: PLASTIC DIP

S: SMALL OUTLINE

TEMPERATURE RANGE

C=0 C~+70 C

AIC1652

DLOW

GND

DHI

10nF

470~1.8K

150 H

Sumida CD-54 Series

OUT

9012

= -1.22V x R1/R2

100 F

1N5819

2.4V ~ 7V

ORDER NUMBER

AIC1652CS

(PLASTIC SO)

AIC1652CN

(PLASTIC DIP)

MICROPOWER INVERTING DC/DC CONVERTER

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

www.analog.com.tw

-12V~ -40V

-10mA

OUT

DESCRIPTION

The AIC1652 is a high performance inverting

DC/DC converter, designed to drive an external

power switch to generate programmable negative

voltages. In the particularly suitable LCD bias con-

trast application, efficiency of 87% can be

achieved with low cost PNP bipolar transistor driv-

ers. Output voltage can be scaled to -40V or

greater by two external resistors. A pulse frequen-

cy modulation scheme is employed to maintain

high efficiency conversion under wide input voltage

range. Quiescent current is about 80 A and can

be reduced to 0.7 A in shutdown mode. Switching

frequency being around 70KHz to 160KHz range,

small size switching components are ideal for bat-

tery powered portable equipments, like notebook

and palmtop computers.

TOP VIEW

PIN CONFIGURATION

SHDN

VREF

VIN

SPEC NO: DS-1652-02 DEC 27, 00

AIC1652

DHI

DLOW

GND

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