December 2016
Intermediate to advanced
320 pages
9h 44m
English
Content preview from Power Supplies for LED Driving, 2nd Edition
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Chapter 4
Linear Power Supplies
Abstract
This chapter describes linear power supplies and switched linear regulators. Constant current linear regulators can be inefficient in some applications, especially if the voltage drop across the regulator circuit is a high proportion of the overall supply voltage, compared to the load voltage. On the other hand, a switched linear regulator used with rectified AC mains supplies can be efficient if designed correctly and have a good power factor. Both types produce very little or no electromagnetic interference.
Keywords
constant current
efficiency
switched linear regulators
electromagnetic interference
power factor
EMI
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