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Using SM74611 as an OR-ing device

Posted: 18 Mar 2014     Print Version  Bookmark and Share

Keywords:SM74611  Texas Instruments  Smart Bypass Diode  Schottky  power supply 

The SM74611 is Texas Instruments Smart Bypass Diode which externally connects as a regular 2-pin Schottky diode but offers a lesser forward voltage drop. It has a typical average forward voltage drop of 26 mV at 8 A of current. Taking the example of a 12 V, 8 A power supply, the 26 mV drop translates to a typical power dissipation of 208 mW. The SM74611 is also footprint and pin-compatible with conventional D2PAK Schottky diodes, making it a drop-in replacement in many applications. This device supports a maximum forward current of 15 A.

View the PDF document for more information.

Originally published by Texas Instruments at as "SM74611 (Smart Bypass Diode) as an OR-ing Device".

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