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MAX6378UR34-T Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX6378UR34-T Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 7 page 3-Pin, Ultra-Low-Power SC70/SOT23 Voltage Detectors 4 _______________________________________________________________________________________ ____________ Applications Information Interfacing to Different Logic Voltage Components The MAX6377/MAX6380 have an active-low, open- drain output. This output structure sinks current when OUT is asserted. Connect a pullup resistor from OUT to any supply voltage up to 5.50V (Figure 1). Select a resistor value large enough to allow a valid logic low (see Electrical Characteristics), and small enough to register a logic high while supplying all input current and leakage paths connected to the OUT line. Negative-Going VCC Transients These devices are relatively immune to short-duration, negative-going VCC transients (glitches). The Typical Operating Characteristics show the Maximum Transient Duration vs. Threshold Overdrive graph, for which out- put pulses are not generated. The graph shows the maximum pulse width that a negative-going VCC tran- sient may typically have before the devices issue out- put signals. As the amplitude of the transient increases, the maximum-allowable pulse width decreases. Figure 1. Interfacing to Different Logic Voltage Components Table 1. Factory-Trimmed Reset Thresholds‡ ‡Factory-trimmed reset thresholds are available in approximately 100mV increments with a 1.5% room-temperature variance. OUT SUSPEND µP VIN VCC VOUT 3.6V Li+ REGULATED 3.0V VCC DC/DC CONVERTER (OPEN-DRAIN) MAX6377 RESET THRESHOLD VOLTAGE, VTH (V) TA = +25°C TA = -40°C TO +85°C PART SUFFIX MIN TYP MAX MIN MAX 22 2.167 2.200 2.233 2.145 2.250 23 2.285 2.320 2.355 2.262 2.375 24 2.364 2.400 2.436 2.340 2.460 25 2.462 2.500 2.537 2.437 2.562 26 2.591 2.630 2.669 2.564 2.696 27 2.660 2.700 2.741 2.633 2.768 28 2.758 2.800 2.842 2.730 2.870 29 2.886 2.930 2.974 2.857 3.000 30 2.955 3.000 3.045 2.925 3.075 MAX6375_R MAX6376_R MAX6377_R 31 3.034 3.080 3.126 3.003 3.150 |
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