AT1452AP Aimtron Technology, AT1452AP Datasheet

AT1452AP

Manufacturer Part Number

AT1452AP

Description

Manufacturer

Aimtron Technology

Datasheets

1.AT1452AP.pdf (17 pages)

2.AT1452BP.pdf (17 pages)

Specifications of AT1452AP

Case

TSSOP/8

Date_code

04+

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

AT1452AP

Manufacturer:

SMD

Quantity:

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

AT1452AP-PBF

Manufacturer:

ZILOG

Quantity:

1 985

Company:

Meier Automation Equipment Co., Limited

Part Number:

AT1452AP-PBF

Manufacturer:

AIMTRON

Quantity:

20 000

Current page: 1 of 17
Download datasheet (606Kb)

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.

• Built-in auto-refresh 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.

Photoflash Capacitor Charger for DSC

General Description

The AT1452 is a charger control IC for Photoflash

capacitor with soft start function, adjustable

maximum duty cycle, auto-refresh and auto-

discharge (soft start capacitor) circuit. Adjustable

soft start is 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.

Automatic refresh allows the capacitor to remain

charged while output voltage dropped 10%. 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

Preliminary Product Information

WWW:

Email:

http://www.aimtron.com.tw

service@aimtron.com.tw

AT1452

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