G5617B controller equivalent, programmable output high-speed step-down controller.
* Ultra-High Efficiency
* No Current-Sense Resistor (Lossless ILIMIT)
* Quasi-PWM with 100ns Load-Step Response
* 1% VOUT Accuracy Over Line and Load
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* Notebook Computers
* CPU Core Supply
* Chipset/RAM Supply as Low as 0.75V
* 1.8V and 2.5V I/O Supply <.
G5617A/G5617B PWM controller uses constant on-time control scheme to handle wide input/output voltage ratios with ease and provides 100ns “instant-on” response to load transients while maintaining a relatively constant switching frequency. The G5617A.
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