Input Voltage:DC300~700V
Output power:120W
Topolodge:Half Bridge
PWM Controller:UC2825
Operation mode:Voltage or Current Mode
Output:Multi output,5V/2A,24V/2A.....
Feedback regulation:5V
Duty Cycle:80%
Switch frequency:100KHz
测试的波形是在电压模式下测试的,Channel 2为下管Q1的GS波形,Channel 4为输出滤波电感的电流波形,使用电流钳测试的,电流钳加在电感的前端,即整流二极管和滤波电感相连接的那一点.
50981231055339.pdf UC2825 Datasheet
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测试波形1
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测试波形2
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拓扑结构