Switch - ON Semiconductor

Switch Mode Power SupplyReference ManualSMPSRM/DRev. 4, Apr 2014 SCILLC, 2014 Previous Edition 2002 All Rights Reserved 2ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC owns the rights to a number of patents, trademarks,copyrights, trade secrets, and other intellectual property. A listing of SCILLC s product/patent coverage may be accessed at SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for anyparticular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including withoutlimitation special, consequential or incidental damages.

by operating a bipolar transistor or MOSFET pass unit in its linear operating mode; that is, the drive to the pass unit is proportionally changed to maintain the required output voltage. Operating in this mode means that there is always a headroom voltage, Vdrop, between the input and the output. Consequently the regulator dissipates a

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  Between, Transistor, Bipolar, Mosfets, Bipolar transistor

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