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ADP1050 Datasheet Digital Controller

Manufacturer: Analog Devices

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General Description

Versatile digital voltage mode controller High speed input voltage feedforward control 4 pulse-width modulation (PWM) logic outputs with 625 ps resolution Switching frequency: 49 kHz to 625 kHz Frequency synchronization as slave device Pulse skipping power saving mode Prebias startup Conditional overvoltage protection Extensive fault detection and protection PMBus compliant Graphical user interface (GUI) for ease of programming On-board EEPROM for programming and data storage Available in a 20-lead, 4 mm × 4 mm LFCSP −40°C to +125°C operating temperature APPLICATIONS High density, isolated dc-to-dc power supplies Intermediate bus converters High availability parallel power systems Server, storage, industrial, networking, and communications infrastructure The ADP1050 is an advanced digital controller with a PMBus™ interface targeting high density, high efficiency dc-to-dc power conversion.

This controller implements voltage mode control with high speed, input voltage feedforward operation for enhanced transient and noise performance.

The ADP1050 has four programmable pulse-width modulation (PWM) outputs capable of controlling most high efficiency power supply topologies, with the added control of synchronous rectification (SR).

Overview

Data Sheet Digital Controller for Isolated Power Supply with PMBus.

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