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UPA1478 Datasheet(PDF) 2 Page - NEC |
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UPA1478 Datasheet(HTML) 2 Page - NEC |
2 / 6 page ![]() µPA1478 2 ELECTRICAL CHARACTERISTICS (TA = 25 ˚C) CHARACTERISTIC SYMBOL MIN. TYP. MAX. UNIT TEST CONDITIONS Collector Leakage Current ICBO 10 µA VCB = 20 V, IE = 0 Emitter Leakage Current IEBO 1 mA VEB = 5 V, IC = 0 Collector to Emitter VCEO(SUS) 27 31 35 V IC = 1 A, Sustaining Voltage L = 3 mH DC Current Gain hFE1 * 1000 — VCE = 2 V, IC = 0.5 A DC Current Gain hFE2 * 2000 30000 — VCE = 2 V, IC = 1 A Collector Saturation Voltage VCE(sat) * 1.5 V IC = 1 A, IB = 1 mA Base Saturation Voltage VBE(sat) * 2 V IC = 1 A, IB = 1 mA Turn On Time ton 0.5 µs Storage Time tstg 3 µs Fall Time tf 1 µs * PW ≤ 350 µs, Duty Cycle ≤ 2 % / pulsed SWITCHING TIME TEST CIRCUIT IB2 VIN PW PW = 50 s Duty Cycle ≤ 2 % µ . . VBB = –5 V . . IB1 IC T.U.T. RL = 20 Ω VCC = 20 V . . . . Base Current Wave Form Collector Current Wave Form IB1 IB2 IC 10 % 90 % ton tstg tf . . IC = 1 A IB1 = –IB2 = 1 mA VCC = 20 V, RL = 20 Ω See test circuit . . The application circuits and their parameters are for references only and are not intended for use in actual design-in's. |