Document
Global Mixed-mode Technology
G5333A
High Efficiency 4A Synchronous Buck Converter
Features
Ultra-High Efficiency Low Quiescent Current of 30µA Integrated 30mΩ at V5V=5V N-Channel MOSFET
for Low Side Integrated 30mΩ at V5V=5V N-Channel MOSFET
for High Side No Current-Sense Resistor (Lossless ILIMIT) Quasi-PWM with 100ns Load-Step Response 1% VOUT Accuracy Over Line and Load Programmable Switching Frequency 0.9V to 5.5V Adjustable Output Range 4.5V to 28V Adapter or Battery Input Range Integrated Boost Switch OVP & UVP Over Temperature Protection (non-latch) 3.3ms Soft-Start Power-Good Indicator Fixed 5V, 10mA Linear Regulator
Applications
Networking Power Supply I/O Supply
General Description
G5333A is a 4A, synchronous DC/DC buck converter with integrated 30mΩ N-channel high-side MOSFET and 30mΩ N-channel low-side MOSFET. It uses constant on-time control scheme to handle wide input/output voltage ratios with ease and provid.