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MAX8855A Datasheet 2MHz Step-Down Regulators

Manufacturer: Maxim Integrated (now Analog Devices)

Download the MAX8855A datasheet PDF. This datasheet also includes the MAX8855 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (MAX8855-Maxim.pdf) that lists specifications for multiple related part numbers.

General Description

The MAX8855/MAX8855A high-efficiency, dual step-down regulators are capable of delivering up to 5A at each output.

The devices operate from a 2.25V to 3.6V supply, and provide output voltages from 0.6V to 0.9 x VIN, making them ideal for on-board point-of-load applications.

Total output error is less than ±1% over load, line, and temperature.

Overview

19-0726; Rev 4; 10/11 EVAALVUAAILTAIOBNLEKIT Dual, 5A, 2MHz Step-Down Regulators MAX8855/MAX8855A.

Key Features

  • o 27mΩ On-Resistance Internal MOSFETs o Dual, 5A, PWM Step-Down Regulators o Fully Protected Against Overcurrent, Short Circuit, and Overtemperature o ±1% Output Accuracy Over Load, Line, and Temperature o Operates from 2.25V to 3.6V Supply o REFIN on One Channel for Tracking or External Reference o Integrated Boost Diodes o Adjustable Output from 0.6V to 0.9 x VIN o Soft-Start Reduces Inrush Supply Current o 0.5MHz to 2MHz Adjustable Switching, or FSYNC Input o All-Ceramic-Capacitor Design o 18.

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