MT2492 Step Down 2A DC to DC Convertor

MT2492 Step Down 2A DC to DC Convertor

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 Step Down Convertor requires a minimum number of readily available standard external components and is available in an 6-pin SOT23 ROHS compliant package.

Features of MT2492 Step Down 2A DC to DC Convertor

• 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
• -40°C to +85°C Temperature Range

Absolute Maximum Ratings

Input Supply Voltage : -0.3V to 17V
EN Voltages : -0.3V to 17V
FB Voltages :-0.3V to 6V
SW Voltage :-0.3V to (VIN+0.5V)
BS Voltage : (VSW-0.3V) to (VSW+5V)
Power Dissipation : 0.6W
Thermal Resistance θJC : 130°C/W

Thermal Resistance θJA : 170°C/W
Junction Temperature(Note2) : 150°C
Operating Temperature Range : -40°C to 85°C
Lead Temperature(Soldering,10s) : 300°C
Storage Temperature Range : -65°C to 150°C
ESD HBM(Human Body Mode) : 2kV
ESD MM(Machine Mode) : 200V

Applications

• Distributed Power Systems
• Digital Set Top Boxes
• Flat Panel Television and Monitors
• Wireless and DSL Modems
• Notebook Computer

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