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BUX48 Datasheet(PDF) 4 Page - Motorola, Inc |
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BUX48 Datasheet(HTML) 4 Page - Motorola, Inc |
4 / 8 page BUX48 BUX48A 3–404 Motorola Bipolar Power Transistor Device Data Table 1. Test Conditions for Dynamic Performance VCEO(sus) RBSOA AND INDUCTIVE SWITCHING RESISTIVE SWITCHING 20 1 0 PW Varied to Attain IC = 200 mA Lcoil = 25 mH, VCC = 10 V Rcoil = 0.7 Ω Lcoil = 180 µH Rcoil = 0.05 Ω VCC = 20 V VCC = 300 V RL = 83 Ω Pulse Width = 10 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 Vclamp = 300 V RB ADJUSTED TO ATTAIN DESIRED IB1 +10 V 220 100 680 pF 100 PULSES δ = 3% 33 2 W 33 2 W 160 D1 22 µF D3 22 680 pF MM3735 1N4934 D1 D2 D3 D4 2N3763 160 680 pF 22 D4 0.22 µF D3 2N6438 +10 V MR854 0.1 µF 2N6339 MR854 Ib1 ADJUST dTb ADJUST Ib2 ADJUST VCC t1 IC VCE 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 1 INPUT 2 Rcoil Lcoil VCC Vclamp RS = 0.1 Ω 1N4937 OR EQUIVALENT TUT SEE ABOVE FOR DETAILED CONDITIONS VBE(off), BASE–EMITTER VOLTAGE (VOLTS) Figure 7. Inductive Switching Measurements Figure 8. Peak–Reverse Current 1 2 3 4 5 6 10 8 6 4 2 0 0 βf = 5 IC = 10 A trv TIME IC VCE 90% IB1 tsv IC pk VCE(pk) 90% VCE(pk) 90% IC(pk) 10% VCE(pk) 10% IC pk 2% IC IB tfi tti tc |
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