ML4901 Datasheet High Current Synchronous Buck Controller

Manufacturer: Micro Linear

Overview: April 1997 PRELIMINARY ML4901 High Current Synchronous Buck Controller GENERAL.

Datasheet Details

Part number	ML4901
Manufacturer	Micro Linear
File Size	266.19 KB
Description	High Current Synchronous Buck Controller
Datasheet	ML4901_MicroLinearCorporation.pdf

General Description

The ML4901 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 ML4901 controller, when combined with 2 external MOSFETs, generates output voltages between 2.1V and 3.5V from a 12V 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 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 isolation s s.

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