ML4900 Datasheet High Current Synchronous Buck Controller

Manufacturer: Micro Linear

Overview: July 2000 ML4900* High Current Synchronous Buck Controller GENERAL.

Datasheet Details

Part number	ML4900
Manufacturer	Micro Linear
File Size	232.00 KB
Description	High Current Synchronous Buck Controller
Datasheet	ML4900_MicroLinearCorporation.pdf

General Description

The ML4900 high current synchronous buck controller has been designed to provide high efficiency DC/DC conversion for next generation processors such as the Pentium® Pro from Intel®.

The ML4900 controller, when combined with two N-channel MOSFETs, generates output voltages between 2.1V and 3.5V from a 5V supply.

The output voltage is selected via an internal 4-bit DAC.

Key Features

s Designed to meet Pentium® Pro power supply requirements DC regulation to +1% maximum Proprietary circuitry provides transient response of +5% maximum over 300mA to 14A load range Programmable output voltage (2.1V to 3.5V) is set by an onboard 4-bit DAC Synchronous N-channel buck topology for maximum power conversion efficiency Fixed frequency operation for easier system integration Integrated antishoot-through logic, short circuit protection, and UV lockout Shutdown control provides load isol.

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