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MAX6462UK Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX6462UK Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 10 page Detailed Description The MAX6461/MAX6462/MAX6463 voltage detectors and the MAX6464/MAX6465/MAX6466 µP reset supervi- sory circuits monitor battery, power-supply, and system voltages from +1.6V to +5.5V. These devices consume only 1µA of supply current with a 3.6V supply voltage. Whenever VCC falls below the internal VTH- threshold, the output is asserted and remains asserted until VCC rises above VTH+ (VTH+ = VTH- × 1.05). All devices have ±2.5% threshold accuracy over temperature and offer protection to short voltage transients. These devices are ideal for low-cost and space-critical applications because they do not require external components for proper operation. Ultra-Low-Power Voltage Detectors and µP Supervisory Circuits _______________________________________________________________________________________ 5 Pin Description PIN MAX6461–MAX6466 SOT23-3 SC70-3 SOT23-5 NAME FUNCTION OUT Detector Output for the MAX6461/MAX6462/MAX6463: Push-pull (active-low or active-high) and open-drain (active-low) options. OUT is asserted low when the monitored input (VCC) drops below the internal VTH- threshold and remains low until the monitored input exceeds the internal VTH+ threshold. OUT is asserted high when the monitored input (VCC) drops below the internal VTH- threshold and remains high until the monitored input exceeds the internal VTH+ threshold. The open-drain output OUT requires an external pullup resistor. Output for the MAX6464/MAX6465/MAX6466: Push-pull (active-low or active-high) and open- drain (active-low) options. 12 4 OUT OUT is asserted low when the monitored input (VCC) drops below the internal VTH- threshold and remains low for at least 150ms after the monitored input exceeds the internal VTH+ threshold. OUT is asserted high when the monitored input (VCC) drops below the internal VTH- threshold and remains high for at least 150ms after the monitored input exceeds the internal VTH+ threshold. The open- drain output OUT requires an external pullup resistor. 21 2, 3 GND Ground. In the SOT23-5 package, both pins must be grounded. 33 5 VCC Supply Voltage and Monitored Voltage Input —— 1N.C. No Connection RESET TIMEOUT OUTPUT STAGE 1.23V VCC OUT R1 R2 R3 MAX6461– MAX6466 Functional Diagram |
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