Datasheet Summary
Synchronous 1A Buck-Boost and 600mA
Buck Converters
Features n Dual High Efficiency DC/DC Converters: Buck-Boost (VOUT: 2.2V to 5.25V, IOUT = 1A at VOUT = 3.3V, VIN ≥ 3V) Buck (VOUT: 0.8V to VIN, IOUT = 600mA) n 2.2V to 5.5V Input Voltage Range n Pin-Selectable Burst Mode® Operation n Unmitted Gain Block for LDO Controller, Battery
Good Indication or Sequencing n Programmable 100kHz to 2MHz Switching Frequency n 55μA Total Quiescent Current for Both Converters in
Burst Mode Operation n Thermal and Overcurrent Protection n <1μA Quiescent Current in Shutdown n 24-Lead 4mm × 4mm QFN Package
APPLICATIONS n Portable Media Players n Digital Cameras n Handheld PCs, PDAs n GPS...