MT2482

MT2482 Rev.V1.2 1.4MHz, 18V，2A Synchronous Step-Down Converter FEATURES z High Efficiency: Up to 94% z 1.4MHz Frequency Operation z 2A Output Current z No Schottky Diode Required z 4.7V to 18V Input Voltage Range z Output Voltages from 0.923V to 15V z Slope Compensated Current Mode Control for Excellent Line and Load Transient Response z Integrated internal compensation z Low RDS(ON) Internal Power MOSFETs z OCP, SCP, OVP, UVP Protection z Thermal Shutdown z Inrush Current Limit and Soft Start z Available in SOP8 Package z -40°C to +85°C Temperature Range APPLICATIONS z Distributed Power Systems z Digital Set Top Boxes z Flat Panel Television and Monitors z Wireless and DSL Modems z Notebook Computer GENERAL DESCRIPTION The MT2482 is a fully integrated, high– efficiency 2A synchronous rectified step-down converter. The MT2482 operates at high efficiency over a wide output current load range. This device offers two operation modes, PWM control and PFM Mode switching control, which allows a high efficiency over the wider range of the load. The MT2482 requires a minimum number of readily available standard external components and is available in an 8-pin SOIC ROHS compliant package. Typical Application Figure 1. Basic Application Circuit MT2482 Datasheet V1.2 October 2011 1 Aerosemi Technology Co.,LTD MT2482 Rev.V1.2 Absolute Maximum Ratings (Note 1) Input Supply Voltage …… -0.3V to 20V Operating Temperature Range … -40°C to +85°C EN,FB Voltages ……….…-0.3 to 6V Lea...