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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MAX4838AEXT датащи(PDF) 2 Page - Maxim Integrated Products |
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MAX4838AEXT датащи(HTML) 2 Page - Maxim Integrated Products |
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2 / 11 page  Overvoltage-Protection Controllers with Status FLAG 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VIN = +5V (MAX4838A/MAX4840A), VIN = +4V (MAX4842A), TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. IN to GND ..............................................................-0.3V to +30V GATE to GND ........................................................-0.3V to +12V EN, FLAG to GND ....................................................-0.3V to +6V Continuous Power Dissipation (TA = +70°C) 6-Pin SC70 (derate 3.1mW/°C above +70°C) .............245mW 6-Pin µDFN (derate 2.1mW/°C above +70°C) ............477mW Operating Temperature Range ..........................-40°C to +85°C Junction Temperature .................................................... +150°C Storage Temperature Range ............................-65°C to +150°C Lead Temperature (soldering, 10s) ................................+300°C PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Input Voltage Range VIN 1.2 28.0 V MAX4838A/MAX4840A 3.0 3.25 3.5 Undervoltage-Lockout Threshold UVLO VIN falling MAX4842A 2.3 2.5 2.7 V Undervoltage-Lockout Hysteresis 50 mV VIN rising MAX4838A 7.0 7.4 7.8 VIN rising MAX4840A 5.5 5.8 6.1 Overvoltage Trip Level OVLO VIN rising MAX4842A 4.4 4.7 5.0 V MAX4838A 100 MAX4840A 80 Overvoltage Trip Level Hysteresis MAX4842A 50 mV No load, EN = GND or 5V, VIN = 5V (MAX4838A/MAX4840A) 80 200 IN Supply Current IIN No load, EN = GND or 4.0V, VIN = 4V (MAX4842A) 75 160 µA VIN = 2.9V (MAX4838A/MAX4840A) 30 UVLO Supply Current IUVLO VIN = 2.2V (MAX4842A) 22 µA MAX4838A/MAX4840A 910 GATE Voltage VGATE IGATE sourcing 1µA MAX4842A 7.5 8.0 V GATE Pulldown Current IPD VIN > VOVLO, VGATE = 5.5V 27 mA 1.2V ≤ VIN < UVLO, ISINK = 50µA 0.4 FLAG Output Low Voltage VOL FLAG asserted VIN ≥ OVLO, ISINK = 1mA 0.4 V FLAG Output High Leakage IOH VFLAG = 5.5V, FLAG deasserted 1 µA EN Input High Voltage VIH 1.5 V EN Input Low Voltage VIL 0.4 V EN Input Leakage ILKG EN = GND or 5.5V 1 µA |
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