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MJ10015 データシート(PDF) 4 Page - ON Semiconductor |
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MJ10015 データシート(HTML) 4 Page - ON Semiconductor |
4 / 6 page MJ10015 MJ10016 4 Motorola Bipolar Power Transistor Device Data Table 1. Test Conditions for Dynamic Performance VCEO(sus) VCEX AND INDUCTIVE SWITCHING RESISTIVE SWITCHING 20 Ω 1 0 PW Varied to Attain IC = 100 mA Lcoil = 10 mH, VCC = 10 V Rcoil = 0.7 Ω Vclamp = VCEO(sus) Lcoil = 180 µH Rcoil = 0.05 Ω VCC = 20 V VCC = 250 V RL = 12.5 Ω Pulse Width = 25 µs INDUCTIVE TEST CIRCUIT TURN–ON TIME IB1 adjusted to obtain the forced hFE desired TURN–OFF TIME Use inductive switching driver as the input to the resistive test circuit. t1 Adjusted to Obtain IC Test Equipment Scope — Tektronix 475 or Equivalent RESISTIVE TEST CIRCUIT OUTPUT WAVEFORMS 2 IB1 1 2 5 V INDUCTIVE TEST CIRCUIT 1 INPUT 2 Rcoil Lcoil VCC Vclamp RS = 0.1 Ω 1N4937 OR EQUIVALENT TUT SEE ABOVE FOR DETAILED CONDITIONS 1 INPUT 2 Rcoil Lcoil VCC Vclamp RS = 0.1 Ω 1N4937 OR EQUIVALENT TUT SEE ABOVE FOR DETAILED CONDITIONS t1 IC(pk) tf Clamped tf t t t2 TIME VCE or Vclamp 1 2 TUT RL VCC t1 ≈ Lcoil (IC pk ) VCC t2 ≈ Lcoil (IC pk ) VClamp * Adjust – V such that VBE(off) = 5 V except as required for RBSOA (Figure 8). Figure 6. Inductive Switching Measurements trv TIME IC VCE 90% IB1 tsv IC pk Vclamp 90% Vclamp 90% IC 10% Vclamp 10% IC pk 2% IC IB tfi tti tc SWITCHING TIMES NOTE In resistive switching circuits, rise, fall, and storage times have been defined and apply to both current and voltage waveforms since they are in phase. However, for inductive loads which are common to SWITCHMODE power supplies and hammer drivers, current and voltage waveforms are not in phase. Therefore, separate measurements must be made on each waveform to determine the total switching time. For this reason, the following new terms have been defined. tsv = Voltage Storage Time, 90% IB1 to 10% Vclamp trv = Voltage Rise Time, 10–90% Vclamp tfi = Current Fall Time, 90–10% IC tti = Current Tail, 10–2% IC tc = Crossover Time, 10% Vclamp to 10% IC For the designer, there is minimal switching loss during storage time and the predominant switching power losses occur during the crossover interval and can be obtained us- ing the standard equation from AN–222: PSWT = 1/2 VCC IC (tc) f In general, trv + tfi ^ tc. However, at lower test currents this relationship may not be valid. As is common with most switching transistors, resistive switching is specified and has become a benchmark for de- signers. However, for designers of high frequency converter circuits, the user oriented specifications which make this a “SWITCHMODE” transistor are the inductive switching speeds (tc and tsv) which are guaranteed. |
同様の部品番号 - MJ10015 |
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同様の説明 - MJ10015 |
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