NCP3133A - ON Semiconductor

NCP3133A 3A Integrated Synchronous Buck Converter

Pin No. Symbol Description 1 EN Logic control to enabling the switcher. Internally pulled up to VDD with a 1.35 MW resistor 2 NC Not connected 3 PGD Open drain power good output 4 VBST Gate drive voltage for high side FET. Connect capacitor from this pin to SW 5, 6, 7 SW Switch node between high−side MOSFET and low−side MOSFET 8 PS Mode configu.

Features

• High Efficiency in both CCM and DCM
• High Operation Frequency at 1.1 MHz
• Support MLCC Output Capacitor
• Small Footprint, 3 mm x 3 mm, 16−pin QFN Package
• Up to 3 A Continuous Output Current
• 2.9 V to 5.5 V Wide Conversion Voltage Range
• Output Voltage Range from 0.6 V to 0.84 X Vin
• Internal 400 ms Soft−Start
• Automatic Power−Saving Mode
• Voltage Mode Control
• Support Pre-bias Start−up Functionality
• Output Discharge Operation
• Over−Temperature Protection
• Built−in Over−Voltage, Under−Voltage and Over-Current Protection
• Power Good Indicator
• This is a Pb−Free Device Applicat.