MAX1844 Datasheet (Maxim Integrated Products) - High-Speed Step-Down Controller

MAX1844, High-Speed Step-Down Controller

The MAX1844 pulse-width modulation (PWM) controller provides high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high-voltage batteries to generate low-voltage CPU core or chipset/RAM supplies in notebook computers.

Maxim’s proprietary Quick-PWM™ quick

MAX1844 Features

* o Ultra-High Efficiency o Accurate Current-Limit Option o Quick-PWM with 100ns Load-Step Response o 1% VOUT Accuracy Over Line and Load o 1.8V/2.5V Fixed or 1V to 5.5V Adjustable Output Range o 2V to 28V Battery Input Range o 200/300/450/600kHz Switching Frequency o Adjustable Overvoltage Protection