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LN8120

2A, 4.5V-20V Input,500kHz Synchronous Step-Down Converter
■ General Description LN8120 is a fully integrated, high– efficiency 2A synchronous rectified step-down converter. The LN8120 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 LN8120 requires a minimum number of readily available standard external components and is available in an 6-pin SOT23 ROHS compliant package.

General Description
LN8120 is a fully integrated, high– efficiency 2A  synchronous rectified step-down converter. The LN8120 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 LN8120 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%
500KHz 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 SOT23-6 Package
-40°C to +85°C Temperature Range

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