LM78S40 Switching Voltage Regulator


A D.C. power supply is usually regulated by some type of feedback circuit that senses any change in the D.C. output and develops a control signal to compensate for this change. This feedback maintains an essentially constant output. In a monolithic regulator, the output voltage is sampled and a high-gain differential amplifier compares a portion of this voltage with a reference voltage.

Read more source:

http://www.national.com/an/AN/AN-711.pdf

Thank you.

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This entry was posted on Thursday, December 27th, 2007 at 5:01 pm and is filed under Power supply, switching power supply.