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G5309 Dataheets PDF



Part Number G5309
Manufacturers Global Mixed-mode Technology
Logo Global Mixed-mode Technology
Description High Efficiency 10A Synchronous Buck Converter
Datasheet G5309 DatasheetG5309 Datasheet (PDF)

Global Mixed-mode Technology G5309 High Efficiency 10A Synchronous Buck Converter Features „ Ultra-High Efficiency „ Integrated 8.5mΩ at Vcc=5V N-Channel MOSFET for Low Side „ Integrated 20mΩ at Vcc=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 „ Adjustable Output Range from 0.75V „ 4.5V to 28V Adapter or Battery Input Range „ Integrated Boost Sw.

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Global Mixed-mode Technology G5309 High Efficiency 10A Synchronous Buck Converter Features „ Ultra-High Efficiency „ Integrated 8.5mΩ at Vcc=5V N-Channel MOSFET for Low Side „ Integrated 20mΩ at Vcc=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 „ Adjustable Output Range from 0.75V „ 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, 20mA Linear Regulator Applications „ LCD Monitor/LCD TV „ Notebook Computers „ I/O Supply „ Chipset/RAM Supply as Low as 0.75V „ Networking Power Supply General Description G5309 is a 10A, synchronous DC/DC buck converter with integrated 20mΩ N-channel high-side MOSFET and 8.5mΩ N-channel low-side MOSFET. It uses constant on-time control scheme to handle wide .


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