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參數(shù)資料
| 型號： | AT1453BP |
| 廠商： | Aimtron Technology Corp. |
| 英文描述： | Photoflash Capacitor Charger for DSC |
| 中文描述： | 照相閃光燈電容充電器的數(shù)碼相機 |
| 文件頁數(shù)： | 1/19頁 |
| 文件大?。?/td> | 655K |
| 代理商： | AT1453BP |
AT1453
Preliminary Product Information
Photoflash Capacitor Charger for DSC
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878 WWW:
http://www.aimtron.com.tw
Fax: 886-3-563-0879 Email:
service@aimtron.com.tw
1
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
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) 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. 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
Block Diagram
OUT
Reference
VCC
GND
Vref
1.1V
FB
DUTY
Enable
Block
READY
SS
CHARGE
Output
Control
Block
Aimtron reserves the right without notice to change this circuitry and specifications.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT1453BP-GRE | Photoflash Capacitor Charger for DSC |
| AT1454 | Photoflash Capacitor Charger for DSC |
| AT1454A | Photoflash Capacitor Charger for DSC |
| AT1454AM-GRE | Photoflash Capacitor Charger for DSC |
| AT1454B | Photoflash Capacitor Charger for DSC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT1453BP-GRE | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:Photoflash Capacitor Charger for DSC |
| AT1454 | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:Photoflash Capacitor Charger for DSC |
| AT1454A | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:Photoflash Capacitor Charger for DSC |
| AT1454AM-GRE | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:Photoflash Capacitor Charger for DSC |
| AT1454B | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:Photoflash Capacitor Charger for DSC |
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