基于dsPIC33FJ設計的PSFB磚形DC-DC轉換器技術(shù)
This reference design works with telecom input range 36V – 76V DC and provides 12V with 200W power. Designed with planar magnetics, this reference design implements various non-linear techniques, which improves the performance and efficiency.
1/4磚形DC/DC轉換器參考設計主要特性:
Primary and Secondary MOSFET control
Active Current Share
Remote ON/OFF
Programmable soft start
Controlled Fall time
Voltage,Current,Temperature monitoring Protection
Configurable output voltage
Full Digital Control
1/4磚形DC/DC轉換器參考設計指標:
Industry standard Quarter-brick (36.8 x 58.4 x 11.4 mm)
Wide input range 36V -76V
Output Voltage: 12V
Output Current: 17A
Output Power : 200W
Efficiency greater than 93%
1500 Vdc input to output isolation

圖12。1/4磚形DC/DC轉換器參考設計外形圖

圖13。1/4磚形DC/DC轉換器的dsPIC? DSC資源圖

圖14。PSFB 1/4磚形DC/DC轉換器電路圖(1)

圖15。PSFB 1/4磚形DC/DC轉換器電路圖(2)

圖16。PSFB 1/4磚形DC/DC轉換器電路圖(3)

圖17。PSFB 1/4磚形DC/DC轉換器電路圖(4)

圖18?;咫娐穲D
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