AT1453BP Aimtron Technology, AT1453BP Datasheet

AT1453BP

Manufacturer Part Number

AT1453BP

Description

Manufacturer

Aimtron Technology

Datasheet

1.AT1453BP.pdf (19 pages)

Specifications of AT1453BP

Case

TSSOP/8

Date_code

04+

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

AT1453BP

Manufacturer:

Winsome

Quantity:

261

Current page: 1 of 19
Download datasheet (645Kb)

Features

• 2.5 to 5.5V supply voltage operating range.

• Low current consumption: 1mA in operation,

• 50 kHz or 100kHz operation frequency .

• Built-in maximum duty control.

• Push-pull output.

• Built-in soft start circuit.

• Built-in auto-discharge function.

Applications

•Digital Still Cameras flash unit

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

Block Diagram

Aimtron reserves the right without notice to change this circuitry and specifications.

CHARGE

GND

Reference

VCC

Enable

Block

1.1V

Vref

Photoflash Capacitor Charger for DSC

General Description

The AT1453 is a charger control IC for Photoflash

capacitor with soft start function, adjustable

maximum duty cycle and auto-discharge (soft start

capacitor)

programmed with an external capacitor on SS pin.

The control technique allows for the use of

external resistor to change the switching duty and

use of transformer to control the input current. A

logic high on the CHARGE pin initiates charging,

while the READY pin signals that the capacitor is

fully charged. It is ideal for DSC flash unit.

* Protected by U.S. Patent #6,724,989

Control

Output

Preliminary Product Information

Block

READY

circuit.

WWW:

Email:

Adjustable

http://www.aimtron.com.tw

service@aimtron.com.tw

soft

AT1453

DUTY

OUT

start

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