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U6268B Datasheet(PDF) 7 Page - TEMIC Semiconductors |
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U6268B Datasheet(HTML) 7 Page - TEMIC Semiconductors |
7 / 12 page U6268B Preliminary Information TELEFUNKEN Semiconductors Rev. A1, 21-May-97 7 (12) Unit Max. Typ. Min. Symbol Test Conditions / Pins Parameters Voltage threshold CLL- comparator CLLx low-level voltage threshold CLLx high-level voltage threshold Voltage hysteresis VCLL_L VCLL_H VCLL_hys 1.75 1.43 0.26 2.4 1.9 0.6 V V V Minimal voltage at OCMx IOUT = 0 to 5 mA VOCM_min 0.5 V Current-limitation level VS v 40 V OUTx short to GND VOCM_lim 4.3 5.3 V Overcurrent-detection level VS v 40 V VOCM_det 4.2 4.9 V Current limitation minus overcurrent detection VOCM_lim – VOCM_over D_lim_OCM 0.15 0.5 V Intern. pull-down current IOCM_sink 0.1 0.45 mA Function RETURN1, RETURN2 Enable high saturation voltage IRETURN = 50 mA Vret_sat 0.5 V Dynamic resistance dI w 10 mA Rret 2 8 W Current limitation Enable high, VRETURNx = 2 V Iret_lim 60 150 mA RETURNx is always higher than current Enable high, VRETURNx v 18 V Iret_lim 70 200 mA higher than current limitation OUTx Enable low VRETURNx v 18 V Iret_lim 0.8 2 mA Overcurrent-detection level Threshold comparator, switch-off return Threshold comparator, switch-on return Hysteresis Iret_low Iret_high Iret_hys 1.4 1.1 0.2 2 1.5 0.7 V V V Delay time CRETURN = 47 nF Switching on IRETURN at 50 mA Switching off IRETURN at 1 mA tdRet_on tdRet_off 3 30 30 90 ms ms Function CLL1, CLL2 (CLLx with 2 k W to 5 V) IOUT threshold CLL comparator ROCM = 750 W CLL low-level threshold CLL high-level threshold Hysteresis ICLL_L ICLL_H ICLL_hys 23.3 19.1 3.5 27.3 22.3 8.2 mA mA mA CLL saturation voltage ICLL v 2.5 mA VCLL_sat 0.4 V CLL leakage current VCLL v 6.5 V ICLL_leak 1 mA Response time to current change IOUT to CLL rise IOUT to CLL fall Max. difference between rise and fall time tCll_rise tCll_fall tD rise-fall 0.1 0.1 2 2 1 ms ms ms CLL output switching speed Rise Fall tCLL_rise tCLL–fall 1 1 ms ms Current transmission rate 60 kHz Current transmission 3 dB bandwidth 500 kHz Function ENABLE1, ENABLE2 Enable low–level threshold VEnable_off 2 6.5 V Enable high-level threshold VEnable_on –0.3 0.8 V |
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