POWER MANAGEMENT ICS
300mA, DC-DC Buck-Boost Converter
The AS1331 is a synchronous buck boost converter with 300mA output capability at 3.3V, ideal for single and multi-cell operation. With 22uA quiescent current the device ensures over 90% efficiency. System protection includes undervoltage/power good signalling, and both current limiting and thermal shutdown.
The AS1331 Buck-Boost Converter is an ideal solution for handheld computers, handheld instruments, portable music players and PDA's. Two and three cell Alkaline, NiCd or NiMH or single cell Li battery powered products.
AS1331 PRODUCT FACTS
|Input voltage [V]||1.8 to 5.5|
|Output voltage [V]||2.5 to 3.3|
|Output current [mA]||300|
|Enable/SHDN [ ]||✓|
|Features||Low battery detection, fixed 2.5V, 3.0V or 3.3V output voltage, in adjustable variant adjustable in whole range|