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EEPW首頁 > 模擬技術 > 設計應用 > 基于dsPIC33FJ設計的PSFB磚形DC-DC轉換器技術

基于dsPIC33FJ設計的PSFB磚形DC-DC轉換器技術

作者: 時間:2011-05-08 來源:網絡 收藏
echniques such as Phase Shift Full Bridge (PSFB) topology that lower switching losses and enable efficiencies as high as 94%. The Quarter brick DC/DC Converter Reference Design is royalty free when used in accordance with the licensing agreement.

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。基板電路圖

電磁爐相關文章:電磁爐原理



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