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UC3708 датащи(PDF) 3 Page - Texas Instruments |
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UC3708 датащи(HTML) 3 Page - Texas Instruments |
3 / 5 page UC1708 UC2708 UC3708 SWITCHING CHARACTERISTICS (Figure 1) (VIN = 20V, delays measured to 10% output change.) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS From A,B Input to Output: Rise Time Delay (TPLH) CL = 0pF 25 40 ns CL = 1000pF (Note 3) 25 40 ns CL = 2200pF 30 45 ns 10% to 90% Rise (TTLH) CL = 0pF 55 75 ns CL = 1000pF (Note 3) 25 50 ns CL = 2200pF 40 55 ns Fall Time Delay (TPHL) CL = 0pF 25 40 ns CL = 1000pF (Note 3) 25 45 ns CL = 2200pF 35 50 ns 90% to 10% Fall (TTHL) CL = 0pF 15 20 ns CL = 1000pF (Note 3) 25 45 ns CL = 2200pF 40 55 ns From Shutdown Input to Output Rise Time Delay (TPLH) CL = 0pF 25 75 ns CL = 1000pF (Note 3) 30 75 ns CL = 2200pF 35 75 ns 10% to 90% Rise (TTLH) CL = 0pf 50 75 ns CL = 1000pF (Note 3) 25 50 ns CL = 2200pF 40 55 ns Fall Time Delay (TPHL) CL = 0pF 25 45 ns CL = 1000pF (Note 3) 30 50 ns CL = 2200pF 35 55 ns 90% to 10% Fall (TTHL) CL = 0pF 25 20 ns CL = 1000pF (Note 3) 25 45 ns CL = 2200pF 40 55 ns Total Supply Current F = 200kHz, 50% duty cycle, both channels; CL = 0pF 23 25 mA F = 200kHz, 50% duty cycle, both channels; CL = 2200pF 38 45 mA NOTE 3: These parameters, specified at 1000pF, although guaranteed over recommended operating conditions, are not tested in production. PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Enable Input Current Low VENABLE = 0V -600 -460 200 µA Enable Input Current High VENABLE = 6.2V 200 µA Enable Threshold Rising 2.8 3.6 V Enable Threshold Falling 1.0 2.4 3.4 V Output High Sat., VIN - VOUT IOUT = -50mA 2.0 V IOUT = -500mA 2.5 V Output Low Sat., VOUT IOUT = 50mA 0.5 V IOUT = 500mA 2.5 V Thermal Shutdown 155 °C ELECTRICAL CHARACTERISTICS (cont.): Unless otherwise stated, VIN = 10V to 35V, and these specifications apply for: –55 oC<TA<125oC for the UC1708, –25oC<TA<+85oC for the UC2708, and 0oC<TA<70oC for the UC3708. TA = TJ. 3 |
Аналогичный номер детали - UC3708 |
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Аналогичное описание - UC3708 |
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