DocumentCode
2429566
Title
Improving efficiency of a pre-/post-switching regulator (PFC/PWM) at light loads using green-mode function
Author
Hwang, Jeffrey ; Chee, Alland
Author_Institution
Micro Linear Corp., San Jose, CA, USA
Volume
2
fYear
1998
fDate
15-19 Feb 1998
Firstpage
669
Abstract
The efficiency of a pre-/post-switching regulator degrades as the power delivered to the load lessens. To improve the efficiency of a pre-/post-switching regulator at light loads, a green-mode function is proposed in this paper. By using a green-mode function, efficiency can be improved at lower power consumption by 8 to 25 percentage points depending on the power level being delivered to the load. Experimental results are provided to confirm the improvement in the efficiency
Keywords
DC-DC power convertors; PWM power convertors; power factor correction; switching circuits; PFC; PWM DC-DC converter; efficiency improvement; green-mode function; light loads; post-switching regulator; power factor correction; power level; pre-switching regulator; Energy consumption; High power amplifiers; Logic; Operational amplifiers; Power supplies; Pulse width modulation; Regulators; Switches; Switching converters; Voltage;
fLanguage
English
Publisher
ieee
Conference_Titel
Applied Power Electronics Conference and Exposition, 1998. APEC '98. Conference Proceedings 1998., Thirteenth Annual
Conference_Location
Anaheim, CA
Print_ISBN
0-7803-4340-9
Type
conf
DOI
10.1109/APEC.1998.653971
Filename
653971
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