AT1450
Preliminary Product Information
Photoflash Capacitor Charger for DSC
Features
• 2.5 to 13 V supply voltage operating range.
• Low current consumption: 6 mA in operation,
• 20 kHz to 1 MHz operation frequency range.
• Provides a fixed output current with minimal
supply voltage fluctuations by using an external
resistor to set the output current.
• Totem-pole output.
• Built-in soft start circuit.
• Built-in auto-discharge function.
General Description
The AT1450 is a single-channel PWM control IC
for Photoflash capacitor charger with soft start
function and auto-discharge circuit. Adjustable soft
start is programmed with an external capacitor on
SS pin.
Applications
•Digital Still Cameras flash unit
Block Diagram
Aimtron reserves the right without notice to change this circuitry and specifications.
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
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AIMTRON [ AIMTRON TECHNOLOGY ]
