Description

Quad 40V/1A Step-Down Switching Regulator with 100% Duty Cycle Operation Features: Wide Input Range: 3.2V to 40V Four 1A Outputs 100% Duty Cycle Operation Resistor-Programmed Constant Frequency Short-Circuit Robust Wide SYNC Range: 350kHz to 2.2MHz Anti-Phase Switching Reduces Ripple 800mV FB Voltage Independent Run/Soft-Start Pins Shutdown with UVLO Internal Compensation Thermal Shutdown Tiny 28-Lead (4mm × 5mm) Thermally Enhanced QFN Package