ADP3161 Datasheet 4-Bit Programmable 2-Phase Synchronous Buck Controller

Manufacturer: Analog Devices

ADP3161 4-bit programmable 2-phase synchronous buck controller by Analog Devices - Datasheet Preview

Datasheet Details

Part number	ADP3161
Manufacturer	Analog Devices
File Size	316.38 KB
Description	4-Bit Programmable 2-Phase Synchronous Buck Controller
Datasheet	ADP3161 Datasheet

General Description

The ADP3161 is a highly efficient dual output synchronous buck switching regulator controller optimized for converting a 5 V or 12 V main supply into the core supply voltage required by highperformance processors such as Pentium® III.

The ADP3161 uses an internal 4-bit DAC to read a voltage identification (VID) code directly from the processor, which is used to set the output voltage between 1.3 V and 2.05 V.

The ADP3161 uses a current mode PWM architecture to drive two logic-level outputs at a programmable switching frequency that can be optimized for VRM size and efficiency.

Overview

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Key Features

ADOPT™ Optimal Positioning Technology for Superior Load Transient Response and Fewest Output Capacitors Active Current Balancing Between Both Output Phases VRM 8.4-Compatible Digitally Programmable 1.3 V to 2.05 V Output Dual Logic-Level PWM Outputs for Interface to External High-Power Drivers Total Output Accuracy ؎0.8% Over Temperature Current-Mode Operation Short Circuit Protection Power-Good Output Overvoltage Protection Crowbar Protects Microprocessors with No Additional External Components.

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