Description

42V Triple Monolithic Synchronous Step-Down Regulator Features: Flexible Power Supply System Providing Three Outputs Over a Wide Input Voltage Range Two High Voltage Synchronous Buck Regulators 3V to 42V Input Voltage Range Output Currents Up to 2.5A and 1.5A High Efficiency Up to 93% One Low Voltage Synchronous Buck Regulator 2.6V to 5.5V Input Voltage Range Output Current Up to 1.8A and 95% Efficiency Programmable Power-On Reset Resistor Programmable and Synchronizable from 250kHz to 2.2MHz Switching Frequency Low Ripple Burst Mode® Operation 30μA IQ at 12VIN to 3.3VOUT2 Output Ripple <15mV Power Good Indicators 2-Phase Clock Reduces Input Current Ripple Available in Thermally Enhanced 40-Lead QFN (6mm × 6mm) Package AEC-Q100 Qualified for Automotive Applications