用玻纤万用板+IR2153+IRF3205+环形磁芯变压器(30.5x18.5x13mm 初级6T+6T次级80T)做了个12V逆变器,其他器件:R1 10Ω R2 20K C1 220uf/63V c3 47uf/63V c2 102
问题:通电加负载后1A时三极管IRF3205 不热,4A时IRF3205温度80多度!!!!
请问:怎样降温度?????
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