MAX6794TPLD4+

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The MAX6794TPLD4+ is an ultra-small, low-power, reset circuit with an integrated, push-pull system. This device provides an ideal solution to monitor power supply voltage and reset microprocessors in a variety of applications.

The MAX6794TPLD4+ is a supervisor based on a push-pull system, providing high accuracy monitoring of a single supply voltage. The MAX6794TPLD4+ will assert a reset signal when the monitored voltage drops below a pre-defined trip point. It then maintains the reset signal until the voltage rises above the trip point. The MAX6794TPLD4+ provides a user-programmable reset delay of up to 6.1s, which is ideal for filtering power supply switching transients. In addition, the MAX6794TPLD4+ includes a power-on reset waveform that allows the reset to be asserted for a programmable time after power is applied, providing clean power-up, even in the presence of power supply glitches.

The MAX6794TPLD4+ is designed for low-power applications, with a low supply current and quiescent current of just 90 µA typical. The MAX6794TPLD4+ is packaged in a tiny 4-bump TPLD package and is offered in a wide range of operating voltages, from 1.5V to 5.5V. The MAX6794TPLD4+ has high accuracy trip points with an initial accuracy of ± 2% over temperature and a reset threshold temperature coefficient of just ± 20 ppm/°C. This device is therefore ideal for monitoring low voltage supplies up to 5.25V.

The MAX6794TPLD4+ is suitable for a wide range of power-sensitive applications requiring reliable reset with added protection against power supply transients. These include microprocessor and microcontroller systems; hard disk drive, compact disk and DVD systems; laptop, PDA, and portable battery-powered systems; programmable logic devices; automotive and telecommunications systems; and other low-voltage embedded systems.

The MAX6794TPLD4+ is a very reliable solution for power supply monitoring and resetting, providing an ultra-small, low-power, push-pull reset circuit with programmable reset delay and power-on reset waveform that is ideal for microprocessor, microcontroller and embedded systems.

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