AT1454B 查看數據表（PDF） - Unspecified

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AT1454B

Preliminary Product Information Photoflash Capacitor Charger for DSC

Unspecified 

Timing Chart

Vcc

Trige

READY

AT1454/AT1454A/AT1454B

Preliminary Product Information

Photoflash Capacitor Charger for DSC

VOUT

CHARGE

Charge On

Timing

Shutdown

Charging

Auto charge to Refresh

AT1454 Auto-Refresh Mode

Storbe

Power OFF

Timing

Vcc

Trige

READY

VOUT

CHARGE

Charge On

Timing

Shutdown

Charging

Toggling CHARGE to Refresh

Storbe

1.uP Detected READY pin Low ->High(Charge Complete)

-->allow enter refresh mode or strobe tube

2.Use uP to delay Photoflash Capacitor self-discharge time Ts

3.Toggling CHARGE pin high->low->high, force the IC into refresh

charging mode.

AT1454A/B Charge Toggle-Refresh (Soft-ware control)Mode

Power OFF

Timing

7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878 Fax: 886-3-563-0879

WWW: http://www.aimtron.com.tw

3/24/2006 REV:1.2

Email: service@aimtron.com.tw

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