MAX16042TP+

The MAX16042TP+ is a triple voltage, capacitor adjustable, sequencing/supervisory circuit in 20 pin TQFN package. It allows fixed and adjustable thresholds to be selected through logic inputs and provide sequence timing through small external capacitors. This device is typically used in wide variety of multivoltage applications where voltage at each monitored input exceeds its threshold, its corresponding output goes high after a propagation delay or a capacitor-set time delay. When a voltage falls below its threshold, its respective output goes low after a propagation delay. The independent output of detector is available with open-drain configuration capable of supporting voltages up to 28V thereby allowing it to interface to shutdown and enable inputs of various DC to DC regulators. It also includes a reset function that deasserts only after all of the independently monitored voltages exceed its threshold. The reset timeout is internally fixed or can be adjusted externally.

• Supply voltage range is 2.2V to 28V
• Operating temperature range from -40°C to 125°C
• Fixed thresholds for 3.3V, 2.5V, 1.8V, 1.5V and 1.2V systems
• 1.5% accurate adjustable threshold monitors voltages down to 0.5V
• 2.7% accurate fixed thresholds over temperature
• Fixed (140ms minimum) / capacitor adjustable delay timing
• Enables input allowing for each monitored voltage
• Manual reset and tolerance select (5%/10%) inputs
• 9 logic selectable threshold options
• Operates as 4 separate supervisory circuit or daisy chain for controlled power supply sequencing

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Notas

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