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ADP3421 - Geyserville-Enabled DC-DC Converter Controller for Mobile CPUs

Description

The ADP3421 is a hysteretic dc-dc buck converter controller with two auxiliary linear regulator controllers.

The ADP3421 provides a total power conversion control solution for a microprocessor by delivering the core, I/O, and clock voltages.

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.

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Datasheet preview – ADP3421

Datasheet Details

Part number ADP3421
Manufacturer Analog Devices
File Size 146.98 KB
Description Geyserville-Enabled DC-DC Converter Controller for Mobile CPUs
Datasheet download datasheet ADP3421 Datasheet
Additional preview pages of the ADP3421 datasheet.

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Full PDF Text Transcription

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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-
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