NCP3133A Overview
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 configuration pin (with 10 mA current):.
NCP3133A Key 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
NCP3133A Applications
- High Efficiency in both CCM and DCM