Global Mixed-mode Technology Inc.
G5603 High-Speed Step-Down Controller Features „ Ultra-High Efficiency „ No Current-Sense Resistor (Lossless ILIMIT) „ Quasi-PWM with 100ns Load-Step Response „ 1% VOUT Accuracy Over Line and Load „ 0.
75V to 3.
6V Adjustable Output Range „ 4.
5V to 24V Battery Input Range „ Integrated Boost Diode „ OVP & UVP „ 1.
7ms Soft-Start „ Drives Large Synchronous-Rectifier FETs „ Power-Good Indicator Applications „ Notebook Computers „ CPU Core Supply „ I/O Supply „ Chipset/RAM Supply as Low as 0.
75V „ Networking Power Supply General Description G5603 uses constant on-time control scheme to handle wide input/output voltage ratios with ease and provides 100ns “instan...

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