FEATURES
Certified IMVP-II Controller Excellent Transient Containment Minimum Number of Output Capacitors Fast, Smooth, Output Transition During VID Code Change Current Limit with Hiccup Protection Transient-Glitch-Free Power Good Low Shutdown Current Soft Start Eliminates In-Rush Current Surge Adaptive Noise-Blanking Enhancement for Speed and Stability Highly Redundant Over-Voltage and Reverse-Voltage Protection Controls Synchronous Rectifier for Improved Battery Life APPLICATIONS
IMVP-II Enabled Core DC/DC Converters Fixed-Voltage Mobile CPU Core DC/DC Converters Notebook/Laptop Power Supplies Programmable Output Power Supplies ADP3422 HYSSET CPUSET FSHIFT DSHIFT BSHIFT HYSTERESIS AND SHIFT-SETTING VR CS+ CLIM CS– VID4 VID3 VID2 VID1 VID0 DACOUT SWFB VR VCC PROGRAMMED DAC AND FIXED REFERENCE EN CORE REG OUT RAMP GENERAL DESCRIPTION
The output voltage is set by a 5-bit VID code. To accommodate the transition time required by the newest processors for on-the-fly VID changes, the ADP3422 features high-speed operation to allow a minimized inductor size that results in the fastest change of current to the output.
Analog Devices
