MT2492

AEROSEMI MT2492 600KHz, 16V，2A Synchronous Step-Down Converter FEATURES  High Efficiency: Up to 96%  600KHz Frequency Operation  2A Output Current  No Schottky Diode Required  4.5V to 16V Input Voltage Range  0.6V Reference  Slope Compensated Current Mode Control for Excellent Line and Load Transient Response  Integrated internal compensation  Stable with Low ESR Ceramic Output Capacitors  Over Current Protection with Hiccup-Mode  Thermal Shutdown  Inrush Current Limit and Soft Start  Available in SOT23-6 Package  -40°C to +85°C Temperature Range APPLICATIONS  Distributed Power Systems  Digital Set Top Boxes  Flat Panel Television and Monitors  Wireless and DSL Modems  Notebook Computer GENERAL DESCRIPTION The MT2492 is a fully integrated, high– efficiency 2A synchronous rectified step-down converter. The MT2492 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 MT2492 requires a minimum number of readily available standard external components and is available in an 6-pin SOT23 ROHS compliant package. TYPICAL APPLICATION Figure 1. Basic Application Circuit Aerosemi Technology Co., Ltd 1 MT2492 ABSOLUTE MAXIMUM RATINGS (Note 1) Input Supply Voltage ……….… -0.3V to 17V EN,FB Voltages …………….…-0.3 to 6V SW Voltage ……..……-0.3V to (Vin+0.5V) BS Voltage ……….. (Vsw-0.3) to (Vsw+5V) Operati...