DESCRIPTION
The A7222B is a fully integrated, high-efficiency 2A synchronous rectified step-down converter. The A7222B operates at high efficiency over a wide output current load range.
This device offers two operation modes, PWM control and PFM Mode switching control, which allows a high efficiency over the wider range of the load.
The A7222B is available in SOT-26 package.

FEATURES
⚫ High Efficiency: Up to 96%
⚫ 1MHz Frequency Operation
⚫ 2A Output Current
⚫ No Schottky Diode Required
⚫ 4.2V to 18V Input Voltage Range
⚫ 0.8V Reference
⚫ Slope Compensated Current Mode Control for
Excellent Line and Load Transient Response
⚫ Integrated internal compensation
⚫ Stable with L ow ESR Ceramic Output Capacitors
⚫ Over Current Protection with Hiccup Mode
⚫ Thermal Shutdown
⚫ Inrush Current Limit and Soft Start
⚫ 40°C to +85°C Temperature Range
⚫ Available in SOT-26 p ackage

APPLICATION
⚫ Distributed Power Systems
⚫ Digital Set Top Boxes
⚫ Flat Panel Television and Monitors
⚫ Wireless and DSL Modems
⚫ Notebook Computer