Datasheet Summary
Synchronous 400mA Buck-Boost and 200mA
Buck Converters
Features
- Dual High Efficiency DC/DC Converters: Buck-Boost (VOUT: 2.2V to 5.25V, IOUT: 400mA for VIN > 3V, VOUT = 3.3V) Buck (VOUT: 0.6V to VIN, IOUT: 200mA)
- 2.4V to 5.5V Input Voltage Range
- Pin Selectable Burst Mode® Operation
- 25μA Total Quiescent Current for Both Converters in
Burst Mode Operation
- Independent Power Good Indicator Outputs
- Integrated Soft-Start
- Thermal and Overcurrent Protection
- <1μA Quiescent Current in Shutdown
- Small 0.75mm × 3mm × 3mm QFN Package
APPLICATIONS
- Flash-Based MP3 Players
- Medical Instruments
- Digital Cameras
- PDAs, Handheld PCs
- Personal Navigation Devices
, LT, LTC, LTM...