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MAX6499ATA+T

Supervisor, 5.5 V to 72 Vsupp., 1.24 V threshold/100 µs delay, Open-Drain, TDFN-8

MAXIM INTEGRATED PRODUCTS MAX6499ATA+T
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Manufacturer Part No:
MAX6499ATA+T
Newark Part No.:
73Y5507
Technical Datasheet:
MAX6499ATA+T   Datasheet
See all Technical Docs

Product Overview

The MAX6499ATA+T is a 72V, overvoltage protection switch/limiter controller with an external MOSFET in 8 pin TDFN package. This device monitors the input voltage and control an external nMOSFET switch to isolate the load at the output during an input overvoltage condition. The gate of the nMOSFET is driven high while the monitored input is below the user-adjustable overvoltage threshold. An integrated charge-pump circuit provides a 10V gate to source voltage to fully enhance the nMOSFET. When the input voltage exceeds the user-adjusted overvoltage threshold, the gate of the MOSFET is quickly pulled low, disconnecting the load from the input. In some applications, disconnecting the output from the load is not desirable. In these cases, the protection circuit can be configured to act as a voltage limiter where the GATE output saw-tooths to limit the voltage to the load.
  • Supply voltage range is 5.5V to 72V
  • Operating temperature range from -40°C to 125°C
  • Fast gate shutoff during overvoltage with 100mA sink capability
  • Supports series pMOSFET for reverse battery voltage protection
  • Adjustable overvoltage threshold
  • Adjustable undervoltage threshold

Applications

Power Management, Automotive, Industrial, Communications & Networking, Portable Devices

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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1.24V

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1Monitors

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5.5V

:
72V

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Open-Drain

:
TDFN

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8Pins

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100µs

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-40°C

:
125°C

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-

:
-

:
MSL 1 - Unlimited
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Technical Docs (1)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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