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The MAX20796GFB is a fully integrated, highly efficient, dual-phase switching power supply regulator, suitable for applications with operating voltages ranging from 4.5V to 16V and requiring a maximum load current of up to 60A or 90A (with an optional third-phase external power supply). The output voltage range can be configured within a certain duty cycle limit from 0.5V to 5.5V. The MAX20796GFB switching regulator operates at a fixed frequency control, providing an extremely compact, fast and high-precision power supply solution, making it highly suitable for server and telecommunications applications.

Main characteristics

The features of MAX20796GFB include:

92% peak efficiency The full-load efficiency is 90% @VIN = 12V, VOUT = 1V

Operating voltage range: 4.5V to 16V

Output voltage range: 0.5V to 5.5V

Output starting voltage range: 0.5V to 5.0V, direct feedback

Integrated loop compensation

Supports the operation of coupled inductors or discrete inductors

PMBus Rev 1.3 compatible interface

It can work in conjunction with an external power supply to enhance power capacity

It is equipped with a built-in linear regulator and can be powered from a single source

Optional external LDO FET to enhance heat dissipation performance

The working parameters can be configured through pins

32 PMBus addresses

Output voltage

Switching frequency

Overcurrent protection (OCP) threshold

Soft start time

Loop compensation

Continuous conduction working mode

Integrate high-precision current and temperature detection

Monotonic start-up and shutdown, supporting pre-biased start-up (two-phase operation)

Fast peak overcurrent protection and average overcurrent protection

The low-level effective RESTORE input pin is used to reset the output voltage

Operating junction temperature range: -40°C to 125°C

Package: 35 pins, 4 ×10.5mm, 0.5mm solder pitch, FC2QFN

Application scenarios

The MAX20796GFB is suitable for various application scenarios, including:

Communication, network, server and storage devices

I/O and auxiliary power supply

Memory VDDQ

Microprocessor chipset

Load point voltage regulator

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