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TPA68 Datasheet(PDF) 6 Page - STMicroelectronics |
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TPA68 Datasheet(HTML) 6 Page - STMicroelectronics |
6 / 11 page Characteristics SMP50 / SMTPA / TPA 6/11 Figure 9. Test circuit 1 for Dynamic IBO and VBO parameters Figure 10. Test circuit 2 for IBO and VBO parameters Figure 11. Test circuit 3 for dynamic IH parameters 100 V / µs, di /dt < 10 A / µs, Ipp = 50 A 1 kV / µs, di /dt < 10 A / µs, Ipp = 10 A U U 10 µF 2 Ω 45 Ω 66 Ω 470 Ω 83 Ω 0.36 nF 46 µH 60 µF 26 µH 12 Ω 250 Ω 46 µH 47 Ω KeyTek 'System 2' generator with PN246I module KeyTek 'System 2' generator with PN246I module 220V 50Hz 1/4 R1 = 140 Ω R2 = 240 Ω K ton = 20ms IBO measurement VBO measurement Vout DUT TEST PROCEDURE Pulse test duration (tp = 20ms): V selection: ● ● ● ● for Bidirectional devices = Switch K is closed for Unidirectional devices = Switch K is open Device with V > 200V V = 250 V , R1 = 140 OUT BO OUT RMS ➔ Ω Device with V 200V V = 480 V , R2 = 240 BO OUT RMS ≥Ω ➔ TEST PROCEDURE 1/ Adjust the current level at the I value by short circuiting the AK of the D.U.T. 2/ Fire the D.U.T. with a surge current H ➔ I= 10A, 10/1000µs. 3/ The D.U.T. will come back off-state within 50ms maximum. PP This is a GO-NOGO test which allows to confirm the holding current (I ) level in a functional test circuit. H R V BAT = - 48 V Surge generator D.U.T |
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