MAX1624 - Maxim

MAX1624 High-Speed Step-Down Controllers

The MAX1624/MAX1625 are ultra-high-performance, step-down DC-DC controllers for CPU power in high-end computer systems. Designed for demanding applications in which output voltage precision and good transient response are critical for proper operation, they deliver over 35A from 1.1V to 3.5V with ±1% total accuracy from a +5V ±10% supply. Excellent dynamic r.

Features

o Better than ±1% Output Accuracy Over Line and Load o 90% Efficiency o Excellent Transient Response o Resistor-Programmable Fixed Switching Frequency from 100kHz to 1MHz o Over 35A Output Current o Digitally Programmable Output from 1.1V to 3.5V in 100mV Increments (MAX1624) o Resistor-Adjustable Output down to 1.1V (MAX1625) o Remote Sensing o Adjustable AC Loop Gain (MAX1624) o GlitchCatcher™ Circuit for Fast Load-Transient Response (MAX1624) o Power-Good (PWROK) Output o Current-Mode Feedback o Digital Soft-Start o Strong 2A Gate Drivers o Current-Limited Output _______________General Des.