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OB2105

GENERAL DESCRIPTION

OB2105 is a wide input voltage, high-efficiency, high performance synchronous-rectified buck converter.

OB2105 utilizes soft driving technology to achieve good EMI performance.

OB2105 also provide soft-start, VIN/VOUT over voltage protection, over temperature protection, and output short circuit protection with hiccup mode. The built-in multi-stage detection scheme effectively protects the device and system when the output hard short to ground.

OB2105 is available in SOP-8 and SOT23-5 packages and required very few external components for operation.


FEATURES

  • Wide 6V to 35V Operating Input Range

  • Synchronous Operating without External Schottky Diode.

  • Simplified External Device Requirement.

  • 90.5% efficiency at VOUT 5.0V 1A, VIN 12V.

  • Fixed 160KHz Frequency.

  • Multi-Stage Short Circuit Protection and Hiccup Mode.

  • VIN/VOUT Over Voltage Protection and Over Temperature Protection.

  • Good EMI Performance.

     

APPLICATIONS

  • Home Appliances

  • White Goods

  • Stand-By Power Supply


TYPICAL APPLICATION


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