MAX798 Datasheet (Maxim) - High-Accuracy Step-Down Controller with Synchronous Rectifier for CPU Power

MAX798, High-Accuracy Step-Down Controller with Synchronous Rectifier for CPU Power

The high-performance, step-down DC-DC converter provides main CPU power in battery-powered systems.

This buck controller achieves 96% efficiency by using synchronous rectification and Maxim’s proprietary Idle Mode™ control scheme to extend battery life at full-load (up to 10A) and no-load outputs.

MAX798 Features

* o 96% Efficiency o 4.5V to 30V Input Range o 1.6V to 6V Adjustable Precision Output o o o o o ±0.4% Max Total Load-Regulation Error 0.06%/V Max Line-Regulation Error 5V Linear-Regulator Output Precision 2.505V Reference Output Automatic Bootstrap Circuit MAX798 o 150kHz/300kHz Fixed-Frequency PWM