Description

I2C Controllable Buck Regulator in 3mm 3mm DFN Features: I2C Programmable Output with 21.6mV Resolution Overtemperature Protected High Efficiency: Up to 93% Very Low Quiescent Current: Only 33µA 600mA Output Current at VIN = 3V 2.5V to 5.5V Input Voltage Range 1MHz Constant Frequency Operation No Schottky Diode Required Low Dropout Operation: 100% Duty Cycle Stable with Ceramic Capacitors Shutdown Mode Draws <1µA Supply Current ±2% Output Voltage Accuracy Standard (100kHz) or Fast Mode (400kHz) I2C 6-Bit Voltage DAC (0.69V to 2.05V) Disable Burst Mode Operation Enable Power Good Blanking Optional External Start-Up Resistors Soft-Start 10 Lead, 3mm × 3mm DFN Package