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LM2984C датащи(PDF) 6 Page - Texas Instruments |
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LM2984C датащи(HTML) 6 Page - Texas Instruments |
6 / 16 page Electrical Characteristics (Continued) VIN e 14V IOUT e 5 mA Ibuf e 5 mA Istby e 5 mA Rt e 130k Ct e 033 mF Cmon e 047 mF Tj e 25 C (Note 6) unless otherwise specified Tested Design Parameter Conditions Typical Limit Limit Units (Note 2) (Note 3) Computer MonitorReset Functions Ireset Low VIN e 4V Vrst e 04V 5 2 1 mAmin Vreset Low VIN e 4V Irst e 1 mA 010 040 Vmax Rt voltage (Pin 2) 122 115 Vmin 122 130 Vmax Power On Reset VmPmon e 5V 50 45 msmin Delay (Tdly e 12 Rt Ct) 50 55 msmax VOUT Low (Note 4) 400 360 Vmin Reset Threshold 400 440 Vmax VOUT High (Note 4) 550 525 Vmin Reset Threshold 550 600 Vmax Reset Output VmPmon e 5V Vrst e 12V 001 1 m Amax Leakage m Pmon Input VmPmon e 24V 75 25 m Amax Current (Pin 4) VmPmon e 04V 001 10 m Amax m Pmon Input 122 080 080 Vmin Threshold Voltage 122 200 200 Vmax m P Monitor Reset VmPmon e 0V 50 45 msmin Oscillator Period (Twindow e 082 RtCmon) 50 55 msmax m P Monitor Reset VmPmon e 0V 10 07 05 msmin Oscillator Pulse Width (RESETpw e 2000 Cmon) 10 13 20 msmax Minimum mP Monitor (Note 5) 2 m smax Input Pulse Width Reset Fall Time Rrst e 10k Vrst e 5V Crst s 10 pF 020 100 m smax Reset Rise Time Rrst e 10k Vrst e 5V Crst s 10 pF 060 100 m smax OnOff Switch Input VON e 24V 75 25 m Amax Current (Pin 8) VON e 04V 001 10 m Amax OnOff Switch Input 122 080 080 Vmin Threshold Voltage 122 200 200 Vmax Note 1 Thermal resistance without a heatsink for junction-to-case temperature is 3 CW Thermal resistance case-to-ambient is 40 CW Note 2 Tested Limits are guaranteed and 100% production tested Note 3 Design Limits are guaranteed (but not 100% production tested) over the indicated temperature and supply voltage range These limits are not used to calculate outgoing quality levels Note 4 An internal comparator detects when the main regulator output (VOUT) drops below 40V or rises above 55V If either condition exists at the output the Reset Error Flag is held low until the error condition has terminated The Reset Error Flag is then allowed to go high again after a delay set by Rt and Ct (See Applications Section) Note 5 This parameter is a measure of how short a pulse can be detected at the mP Monitor Input This parameter is primarily influenced by the value of Cmon (See Typical Performance Characteristics and Applications Section) Note 6 To ensure constant junction temperature low duty cycle pulse testing is used 5 |
Аналогичный номер детали - LM2984C |
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Аналогичное описание - LM2984C |
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