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The LM5050-2 High Side OR-ing FET Controller operates in conjunction with an external MOSFET as an ideal diode rectifier when connected in series with a power source. This OR-ing controller allows MOSFETs to replace diode rectifiers in power distribution networks thus reducing both power loss and voltage drops.
The LM5050-2 controller provides charge pump gate drive for an external N-Channel MOSFET and a fast response comparator to turn off the FET when current flows in the reverse direction. The LM5050-2 can connect power supplies ranging from +6V to +75V and can withstand transients up to +100V.
The LM5050-2 also provides a FET test diagnostic mode which allows the system controller to test for shorted MOSFETs.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | LM5050-2 High Side OR-ing FET Controller datasheet (Rev. B) | 08 Mar 2013 | |
| Application note | Basics of Ideal Diodes (Rev. B) | PDF | HTML | 05 Oct 2021 | |
| E-book | 11 Ways to Protect Your Power Path | 03 Jul 2019 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 25 Jun 2018 | ||
| User guide | AN-2051 LM5050-2EVAL Evaluation Board (Rev. A) | 06 May 2013 |
For additional terms or required resources, click any title below to view the detail page where available.
The LM5050-2 evaluation board is designed to demonstrate the capabilities of the LM5050-2 OR-ing Diode Controller. It is intended for evaluation of the functions of the LM5050-2.
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| SOT-23-THN (DDC) | 6 | Ultra Librarian |
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