基于dsPIC33FJ設(shè)計(jì)的PSFB磚形DC-DC轉(zhuǎn)換器技術(shù)
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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(zhuǎn)換器參考設(shè)計(jì)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(zhuǎn)換器參考設(shè)計(jì)指標(biāo)：
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(zhuǎn)換器參考設(shè)計(jì)外形圖
圖13。1/4磚形DC/DC轉(zhuǎn)換器的dsPIC? DSC資源圖
圖14。PSFB 1/4磚形DC/DC轉(zhuǎn)換器電路圖（1）
圖15。PSFB 1/4磚形DC/DC轉(zhuǎn)換器電路圖（2）
圖16。PSFB 1/4磚形DC/DC轉(zhuǎn)換器電路圖（3）
圖17。PSFB 1/4磚形DC/DC轉(zhuǎn)換器電路圖（4）
圖18?；咫娐穲D
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