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ADP3421

Analog Devices
Part Number ADP3421
Manufacturer Analog Devices
Description Geyserville-Enabled DC-DC Converter Controller for Mobile CPUs
Published Mar 23, 2005
Detailed Description a Geyserville-Enabled DC-DC Converter Controller for Mobile CPUs ADP3421 FUNCTIONAL BLOCK DIAGRAM ADP3421 DACOUT VID4 V...
Datasheet PDF File ADP3421 PDF File

ADP3421
ADP3421

Overview
a Geyserville-Enabled DC-DC Converter Controller for Mobile CPUs ADP3421 FUNCTIONAL BLOCK DIAGRAM ADP3421 DACOUT VID4 VID3 VID2 VID1 VID0 VID DAC CURRENT LIMIT COMPARATOR EN LTO LTB LTI CORE CONTROLLER CLKDRV CLKFB IODRV CLOCK LDO CONTROLLER LEVEL TRANSLATOR CORE COMPARATOR CS+ CS– VHYS REG RAMP OUT FEATURES Meets Intel® Mobile Voltage Positioning Requirements Lowest Processor Dissipation for Longest Battery Life Best Transient Containment Minimum Number of Output Capacitors System Power Management Compliant Fast, Smooth Output Transition During VID Code Change Programmable Current Limit Power Good Integrated LDO Controllers for Clock and I/O Supplies Programmable UVLO Soft Start with Restart Lock-In APPLICATIONS Geyserville-Enabled Core DC-DC Converters Fixed Voltage Mobile CPU Core DC-DC Converters Notebook/Laptop Power Supplies Programmable Output Power Supplies CLSET SSC SOFT START TIMER AND POWER GOOD GENERATOR SSL CORE GENERAL DESCRIPTION The ADP3421 is a hysteretic dc-dc b...


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