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Low Power Synchronous Boost Converter
application INFO available
UCC19411/2/3 UCC29411/2/3 UCC39411/2/3
PRELIMINARY
FEATURES • 1V Input Voltage Operation Start-up
Guaranteed under FULL Load on Main Output, and Operation Down to 0.5V
• 200mW Output Power at Battery Voltages as low as 0.8V
• Secondary 7V Supply from a Single Inductor
• Output Fully Disconnected in Shutdown
• Adaptive Current Mode Control for Optimum Efficiency
• High Efficiency over Wide Operating Range
• 6µA Shutdown Supply Current
• Output Reset Function with Programmable Reset Period
DESCRIPTION
The UCC39411 family of low input voltage, single inductor boost converters is optimized to operate from a single or dual alkaline cell, and steps up to a 3.3V, 5V, or adjustable output at 200mW.