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ADP1032 - Isolated Micropower Management

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General Description

The ADP1032 is a high performance, isolated micropower management unit (PMU) that combines an isolated flyback and a dc-to-dc regulator providing two isolated power rails.

Additionally, the ADP1032 contains four high speed serial peripheral interface (SPI) isolation channels and three general-purpose isolators for channel to channel applications where low power dissipation and small solution size is required.

Operating over an input voltage range of 4.5 V to 60 V, the ADP1032 generates isolated output voltages of 6 V to 28 V (adjustable version) or 24 V (fixed version) for VOUT1, and factory programmable voltages of 5.15 V, 5.0 V, or 3.3 V for VOUT2.

Overview

Data Sheet Two-Channel, Isolated Micropower Management Unit with Seven Digital Isolators ADP1032.

Key Features

  • Wide input supply voltage range: 4.5 V to 60 V Integrated flyback power switch Generates two isolated, well regulated independent outputs VOUT1: 24 V or 6 V to 28 V VOUT2: 3.3 V, 5.0 V, or 5.15 V Uses a 1:1 ratio transformer for simplified transformer design Peak current limiting and OVP for flyback and buck regulators Precision enable input and power-good output Adjustable switching frequency via SYNC input Internal compensation and soft start control per regulator High speed, low propagation d.

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