DC-DC Controller
LD7268A-Photoflash Capacitor Charger

General Description

The LD7268A is an ideal charge control IC for flash units with internal soft start, adjustable charging current and output voltage. It provides a proprietary charging algorithm, which charges photoflash capacitor quickly and efficiently. The LD7268A could operate for constant charging current mode or the mode with lowering the charging current at lower battery voltage. As well, a built-in totem pole IGBT driver can drive IGBT quickly and save the board space.
The LD7268A is available in a space-saving MSOP-10 package and is ideal for DSC flash unit.

…Patent pending

Features

• Adjustable Charging Current
• Adjustable Output Voltage
• 1.8V~5V Battery Voltage Range
• Internal Soft Start
• Tiny Transformer
• Totem-Pole IGBT Driver

Applications

• DSC Flash Unit
• Phone Flash Unit



Typical Application


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