NATIONAL SEMICONDUCTOR LM5008 Manual

Update: 30 September, 2023

The LM5008 is a high voltage (100V) step-down switching regulator that features all of the functions needed to implement a low cost, efficient, Buck bias regulator. It is easy to implement and is provided in the MSOP-8 and the thermally enhanced LLP-8 packages. The regulator is based on a hysteretic control scheme using an ON time inversely proportional to VIN. This feature allows the operating frequency to remain relatively constant. The hysteretic control requires no loop compensation. An intelligent current limit is implemented with forced OFF time, which is inversely proportional to Vout. This scheme ensures short circuit protection while providing min- imum foldback. Other protection features include: Thermal Shutdown, VCC under-voltage lockout, Gate drive under-volt- age lockout, and Max Duty Cycle limiter.

Brand: National

File format: PDF

Size: 360 KB

MD5 Checksum: CDE112479F7E65D1DA2423A02BA28F36

Publication date: 04 May, 2012

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PDF Link: NATIONAL SEMICONDUCTOR LM5008 Manual PDF

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