Preliminary
AIC2341
1.0A Output, 2.5MHz Synchronous Buck-Boost DC/DC Converter
FEATURES
Regulated Output with Input V...
Preliminary
AIC2341
1.0A Output, 2.5MHz Synchronous Buck-Boost DC/DC Converter
FEATURES
Regulated Output with Input
Voltage Above, Below, or Equal to the Output. 1A Output Current at 3.3V in Step Down Mode (VIN = 3.6V to 5.5V). Up to 800mA Output Current at 3.3V in Boost Mode (VIN > 2.8V). Single Inductor. 2.5V to 5.5V Input
Voltage Range. Fixed and Adjustable Output
Voltage Options from 1.8V to 5.5V. Up to 95% Efficiency. Stable with Low ESR Ceramic
Capacitors. No Schottky Diode Required. Output Disconnect in Shutdown.
<1µA Shutdown Current.
<60µA Quiescent Current. Power Saving Mode for Improved Light Efficiency Operation. Forced Fixed Frequency Operation Mode. Load Disconnect During Shutdown. Under
voltage Lockout Protection.
APPLICATIONS
All Three-Cell Alkaline, NiCd or NiMH or Single-Cell Li Battery MP3 Players Handheld Instruments Digital Cameras Smart Phones Portable GPS Units Miniature Hard Disk Drive Power
TYPICAL APPLICATION CIRCUIT
DESCRIPTION
The AIC2341 is a 1.0A outp...