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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MAX791C/D датащи(PDF) 3 Page - Maxim Integrated Products |
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MAX791C/D датащи(HTML) 3 Page - Maxim Integrated Products |
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3 / 20 page  ns Microprocessor Supervisory Circuit _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VCC = 4.75V to 5.5V, VBATT = 2.8V, TA = TMIN to TMAX, unless otherwise noted.) 0.7 1.5 ISINK = 25mA mA 720 Output source current – W — D — P — O – Output Short-Circuit Current V 0.1 0.4 ISINK = 3.2mA BATT ON Output Low Voltage ms 10 4.7nF capacitor connected from SWT to GND Minimum Watchdog Timeout Period ms 1 – W — D — P — O – Pulse Width ns 100 VIL = 0.8V, VIH = 0.75 x VCC Minimum Watchdog Input Pulse Width µs 80 Power down VCC-to- – L — O — W — — L — I — N — E – Delay sec 1.0 1.6 2.25 SWT connected to VOUT V 4.50 4.65 4.75 – R — E — S — E — T – Threshold Voltage mV 150 – L — O — W — — L — I — N — E – -to- – R — E — S — E — T – Threshold Voltage µs 100 Power down VCC-to- – R — E — S — E — T – Delay mV 15 – R — E — S — E — T – Threshold Hysteresis Watchdog Timeout Period ns 70 – W — D — P — O – -to- – W — D — O – Delay µA ms 1 15 100 Source current BATT ON Output Short-Circuit Current mA 60 Sink current 140 200 280 Power up UNITS MIN TYP MAX – R — E — S — E — T – Active Timeout Period CONDITIONS PARAMETER 0.004 0.3 MAX791E/M, ISINK = 50µA, VCC = 1.2V, VCC falling 0.1 0.4 ISINK = 3.2mA, VCC = 4.25V V 3.5 ISOURCE = 1.6mA, VCC = 5V – R — E — S — E — T – Output Voltage mA 720 Output source current – R — E — S — E — T – Output Short-Circuit Current 0.4 ISINK = 3.2mA, VCC = 4.25V µA 15 100 Output source current – L — O — W — — L — I — N — E – Output Short-Circuit Current V 3.5 ISOURCE = 1µA, VCC = 5V – L — O — W — — L — I — N — E – Output Voltage 0.4 ISINK = 3.2mA mA 310 Output source current – W — D — O – Output Short-Circuit Current V 3.5 ISOURCE = 500µA, VCC = 5V – W — D — O – Output Voltage 0.4 ISINK = 3.2mA V 3.5 ISOURCE = 1mA – W — D — P — O – Output Voltage 0.004 0.3 MAX791C, ISINK = 50µA, VCC = 1.0V, VCC falling RESET, LOW-LINE AND WATCHDOG TIMER |
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