General Description
The RT9591 is a highly integrated photoflash charging solution in digital and film cameras. It is targeted for applications that use either two AA batteries or a single lithium-ion battery.

Features
• 1.8V to 6.5V Battery Input Voltage Range
• Charges Any Size Photoflash Capacitor
• Adjustable Input Current
• Uses Standard Transformers
• Adjustable Output Voltage
• Charge Complete Indicator
• Built-in IGBT Driver for IGBT Application
• Built-in Voltage Detector
• 16-Lead VQFN Package
• RoHS Compliant and 100% Lead (Pb)-Free

Applications
• Digital Still Camera
• Film Camera Flash Unit
• Camera Phone Flash