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IA3220
1.5MHz, 1.3A Synchronous
Step-Down Converter
FEATURES
• • • • • • • • • • • • • • High Efficiency: Up to 96% 1.5MHz Constant Frequency Operation 1300mA Output Current No Schottky Diode Required 2.3V to 6V Input Voltage Range Adjustable Output Voltage Range Options from 0.6V to Vin 100% Duty Cycle Low Dropout Operation Low Quiescent Current: 35µA Slope Compensated Current Mode Control for Excellent Line and Load Transient Response Short Circuit Protection Thermal Fault Protection Inrush Current Limit and Soft Start <1µA Shutdown Current Tiny SOT23-5 Package
GENERAL DESCRIPTION
The IA3220 L are high-efficiency, high frequency synchronous step-down DC-DC regulator ICs capable of delivering up to 1.3A output currents. The IA3220 can operate over a wide input voltage range from 2.