Description

Quad Synchronous Step-Down Regulator: 2.25MHz, 300mA, 200mA, 200mA, 100mA Features: High Efficiency: Up to 95% Four Independent Regulators Provide Up to 300mA, 200mA, 200mA and 100mA Output Current 2.25V to 5.5V Input Voltage Range 2.25MHz Constant-Frequency Operation No Schottky Diodes Required Extremely Low Channel-to-Channel Transient Crosstalk Low Ripple (20mVP-P) Burst Mode Operation: IQ = 70µA (All Channels On) 0.8V Reference Allows Low Output Voltages Shutdown Mode Draws <1µA Supply Current Current Mode Operation for Excellent Line and Load Transient Response Overtemperature Protected Low Profile (3mm × 3mm) 16-Lead QFN Package