전자부품 데이터시트 검색엔진 |
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MJ10015 데이터시트(PDF) 5 Page - Motorola, Inc |
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MJ10015 데이터시트(HTML) 5 Page - Motorola, Inc |
5 / 6 page MJ10015 MJ10016 5 Motorola Bipolar Power Transistor Device Data The Safe Operating Area figures shown in Figures 7 and 8 are specified ratings for these devices under the test conditions shown. 1.0 Figure 7. Forward Bias Safe Operating Area VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS) 5.0 50 0.005 50 20 2.0 1.0 5.0 0.5 1000 10 100 0 Figure 8. Reverse Bias Switching Safe Operating Area VCE, COLLECTOR–EMITTER VOLTAGE (VOLTS) 0 200 300 40 20 50 400 TC = 25°C 0.1 200 dc 2.0 20 500 30 10 0.2 0.02 0.01 500 VBE(off) = 5.0 V TC = 25°C MJ10015 0.05 10 TURN–OFF LOAD LINE BOUNDARY FOR MJ10016 THE LOCUS FOR MJ10015 IS 100 V LESS 10 µs IC IB1 u 10 BONDING WIRE LIMIT THERMAL LIMIT (SINGLE PULSE) SECOND BREAKDOWN LIMIT MJ10016 100 SAFE OPERATING AREA INFORMATION FORWARD BIAS There are two Iimitations on the power handling ability of a transistor: average junction temperature and second break- down. Safe operating area curves indicate IC – VCE limits of the transistor that must be observed for reliable operation, i.e., the transistor must not be subjected to greater dissipa- tion than the curves indicate. The data of Figure 7 is based on TC = 25_C; TJ(pk) is variable depending on power level. Second breakdown pulse limits are valid for duty cycles to 10% but must be derated when TC ≥ 25_C. Second breakdown limitations do not der- ate the same as thermal limitations. Allowable current at the voltages shown on Figure 7 may be found at any case tem- perature by using the appropriate curve on Figure 9. REVERSE BIAS For inductive loads, high voltage and high current must be sustained simultaneously during turn–off, in most cases, with the base to emitter junction reverse biased. Under these conditions the collector voltage must be held to a safe level at or below a specific value of collector current. This can be accomplished by several means such as active clamping, RC snubbing, load line shaping, etc. The safe level for these devices is specified as Reverse Bias Safe Operating Area and represents the voltage–current condition allowable dur- ing reverse biased turn–off. This rating is verified under clamped conditions so that the device is never subjected to an avalanche mode. Figure 8 gives the complete RBSOA characteristics. 0 Figure 9. Power Derating TC, CASE TEMPERATURE (°C) 0 40 80 80 40 100 120 160 200 60 20 THERMAL DERATING VBE(off), REVERSE BASE VOLTAGE (VOLTS) 1 2 3 4 5 6 10 8 6 5 4 3 2 0 0 SEE TABLE 1 FOR CONDITIONS, FIGURE 6 FOR WAVESHAPE. 9 7 1 7 8 Figure 10. Typical Reverse Base Current versus VBE(off) With No External Base Resistance IC = 20 A FORWARD BIAS SECOND BREAKDOWN DERATING |
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