Description
Global Mixed-mode Technology G5617A/G5617B Programmable Output High-Speed Step-Down Controller for Notebook Computer .
G5617A/G5617B PWM controller uses constant on-time control scheme to handle wide input/output voltage ratios with ease and provides 100ns “instant-on”.
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
* Dynamic Voltage Scaling by G0 and G1 Inputs
* 4.5V t
Applications
* Notebook Computers
* CPU Core Supply
* Chipset/RAM Supply as Low as 0.75V
* 1.8V and 2.5V I/O Supply
* Networking Power Supply
Ordering Information
ORDER NUMBER G5617AR41U G5617BR41U Note:R4:TQFN3X3-16 1: Bonding Code U: Tape & Reel
Pin Configuration
MARKI