圣诞节那天MOSFET 溫升測試計算方法:
1. Tc+I D*I D*R DS(ON)*Rθjc+T A(MAX)-T A=T MOSFET;
JUDGE PASS: T MOSFET <Tj . (一般性判定方法，僅計算Conduction loss，而并未考慮到Switching loss). T C: CASE TEMPERATURE;
I D: MOSFET DRAIN CURRENT(RMS);
R DS(ON): STATIC DRAIN-SOURCE ON RESISTANCE;
普及是什么意思Rθjc: THERMAL RESISTANCE JUNCTION-CASE MAX;
T A(MAX): POWER ENVIRONMENTAL OPERATION TEMPERATURE RANGE MAX;
boxersT A: TEST AMBIENT TEMPERATURE;
Tj: MOSFET OPERATING JUNCATION TEMPERATURE.
2. T C+(P OUT-P IN)*Rθjc+T A(MAX)-T A=T MOSFET.
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2013山东高考理综JUDGE PASS: T MOSFET <Tj*90%.(加嚴判定方法, 將POWER的所有功耗皆算為MOSFET之功耗)
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T C: CASE TEMPERATURE;
doradoP OUT : OUTPUT POWER;
www hjenglish com>财务总监岗位职责PIN: INPUT POWER;
Rθjc: THERMAL RESISTANCE JUNCTION-CASE MAX;
T A(MAX): POWER ENVIRONMENTAL OPERATION TEMPERATURE RANGE MAX;高一英语辅导书
T A: TEST AMBIENT TEMPERATURE;
Tj: MOSFET OPERATING JUNCATION TEMPERATURE.
具体實例如下一頁:
12015/9/14
