TPS5403 Datasheet | Texas Instruments

.ti. SLVSBK5 - SEPTEMBER 2012 4.5-V TO 28-V INPUT VOLTAGE, 3.3-V FIXED OUTPUT, 1.7-A OUTPUT CURRENT, NON-SYNCHRONOUS STEP-DOWN REGULATOR WITH INTEGRATED MOSFET Check for Samples: TPS5403 Features - Fixed 3.3-V Output - 4.5-V to 28-V Wide Input Voltage Range - Up to 1.7-A Maximum Continuous Output Loading Current - Pulse Skipping Mode to Achieve High Light Load Efficiency - Over 80% Efficiency at 10-mA Loading - Adjustable 50-kHz to 1.1-MHz Switching Frequency Set by an External Resistor (Leave pin ROSC floating. Set frequency to 120 kHz and ground connection to 70 kHz) - Peak Current-Mode Control - Cycle-by-Cycle Over Current Protection - Frequency Spread Spectrum and...