RT2862A - Richtek

RT2862A Synchronous Step-Down Converter

The RT2862A is a high efficiency, current-mode synchronous step-down DC/DC converter that can deliver up to 3A output current over a wide input voltage range from 4.5V to 36V. The device integrates 105mΩ high-side and 80mΩ low-side MOSFETs to achieve high conversion efficiency. The current-mode control architecture supports fast transient response and simple.

Features

z 4.5V to 36V Input Voltage Range z 3A Output Current z Internal N-MOSFETs z Current Mode Control z Frequency Operation : 300kHz to 1MHz z Adjustable Output Voltage from 0.8V to 30V z High Efficiency Up to 95% z Stable with Low ESR Ceramic Output Capacitors z Cycle-by-Cycle Current Limit z Input Under-Voltage Lockout z Output Under-Voltage Protection z Thermal Shutdown z Power Saving at Light Load Applications z Point of Load Regulator in Distributed Power Systems z Digital Set Top Boxes z Broadband Communications z Vehicle Electronics z Automotive Audio, Navigation, and Information Systems z .