AT1454 Datasheet, PDF (5/18 Pages) Aimtron Technology – Photoflash Capacitor Charger for DSC

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: [phone] Fax: [phone]
WWW: http://www.aimtron.com.tw
3/24/2006 REV:1.2
Email: [e-mail]
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