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General Description
LN3492 is a fully integrated, high– efficiency 2A
synchronous rectified step-down converter. The LN3492
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 LN3492 requires a minimum number of readily
available standard external components and is available in
an 6-pin SOT23 ROHS compliant package.
■ Applications
? Distributed Power Systems?
? Digital Set Top Boxes?
? Flat Panel Television and Monitors?
? Wireless and DSL Modems?
? Notebook Computer
■ Features
? High Efficiency: Up to 96%
? 1MHz Frequency Operation
? 2A Output Current
? No Schottky Diode Required
? 4.5V to 20V 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 SOT23-6L Package
? -40°C to +85°C Temperature Range
■ Package
? SOT23-6L