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Alpha and Omega Semiconductor - Buck regulators - Thermally enhanced package - 25 January 2012


The AOZ1050 and AOZ1051 high efficiency, simple-to-use synchronous buck regulators are available in a thermally enhanced exposed pad SO-8 package, delivering output current of 2A and 3A, respectively. These new devices are well suited for a variety of consumer electronics applications such as LCD TV, Set-top-boxes, DVD players and recorders.

The low on-resistance of internal power MOSFETs in these devices allows higher efficiency and less heat generation. The full load efficiency of AOZ1051 is 7% higher and IC surface temperature is almost 40°C lower than that of the leading competitor. Adjustable soft-start time provides system designers with flexibility for power-up sequencing.

Cycle-by-cycle current limiting combined with unique hiccup short-circuit protection ensure reliable operation under any abnormal conditions.


    Technical Highlights
  • Input Voltage Range: 4.5V to 18V
  • High-Side MOSFET On-Resistance: 80mΩ (AOZ1050), 70mΩ (AOZ1051)
  • Low-Side MOSFET On-Resistance: 50mΩ (AOZ1050), 40mΩ (AOZ1051)
  • Output Current: 2A (AOZ1050), 3A (AOZ1051)
  • Switching Frequency: 500kHz
  • Soft-start Time: Adjustable
  • Package: Exposed Pad SO-8
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View Alpha and Omega Semiconductor AOZ105*PI family products ... found 2 result(s)!

1 of 1 page(s)

Picture Buy Part Numbers Part Descriptions RoHs PACKING STYLE
PACK QUANTITY PACKAGE STYLE
Sell Price Lead Time(days) Order Multiple Available Qty Online Specs
AOZ1050PISynchronous buck converter 0.8~17.0V 2A SO-8RoHsTape/reel3000SO-8 NZD0.4864
MOQ 3000
4930000
AOZ1051PISynchronous buck converter 0.8~17.0V 3A SO-8RoHsTape/reel3000SO-8 NZD0.5286
MOQ 3000
4930000
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