MAX6382XR44D2-T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active High
Reset Timeout:	20 ms Minimum
Voltage - Threshold:	4.38V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-70, SOT-323
Supplier Device Package:	SC-70-3
Base Part Number:	MAX6382

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Introduction

The MAX6382XR44D2-T is a low-power, high-precision supervisor that provides open-drain reset outputs. It provides easy reset-input delay and reset-output latency control through the use of external resistors connected to its RESET and READY pins. Built-in monitoring of the supply voltage, input signal, power-on reset, memory initialization and other functions allows keeping the system reliable since reset looping can be prevented.The MAX6382XR44D2-T is a versatile supervisory IC that can be used in a variety of applications including: communication interface, data/VOIP gateway, power management, video/audio applications, etc. In this article, we\'ll take a look at the application field of the MAX6382XR44D2-T and its working principle.

Application Field

The MAX6382XR44D2-T is suitable for use in power supply and reset applications. It is designed to monitor power supply state for advanced power management such as AC-on reset, manual reset, power-on reset, and initialization on fail. The versatile reset capabilities of the MAX6382XR44D2-T make it applicable for a variety of general reset applications. It also provides a READY output for monitoring power supply state and detecting memory initialization.The MAX6382XR44D2-T\'s low power consumption (typical operating current of 500µA at +3.3V VCC) makes it an ideal choice for power sensitive applications such as mobile phones and other handheld devices. Its low quiescent current makes it particularly suitable for battery powered applications.Additionally, the MAX6382XR44D2-T is designed to provide superior performance in environments subject to high noise. Its superior latch-up immunity and electrostatic discharge (ESD) protection make it an ideal choice for use in industrial systems.

Features and Specifications

The MAX6382XR44D2-T provides a wide range of features which make it suitable for a variety of different applications. Some of the features include: -Operating voltage range from 2.55V to 5.25V-2.35V to 3.15V reset-output range-Temperature range from -40°C to +125°C-Open-drain reset outputs-Option for active high READY output-Integrated ESD protection-Extra long reset input hold/delay time-Built-in reset-input noise rejection-High accuracy, maximum deviation of 0.3%-Latch-up immunity-Low supply current of 500µA-Suitable for noise-sensitive environments

Working Principle

The MAX6382XR44D2-T integrates monitoring of the supply voltage, reset input, power-on reset and memory initialization functions with an associated reset output. A reset output is generated when the reset input voltage drops below its reset threshold. The reset delay time and length are programmed by connecting external capacitors and resistors to the MAX6382XR44D2-T\'s RESET pin. This ensures that the device responds properly to short-term power dips or regular power cycles.The MAX6382XR44D2-T also provides for READY output monitoring, through the connection of an external capacitor to its RREADY pin. When the READY pin voltage rises above its threshold, the READY output is asserted, signaling that the system is ready to take data.The MAX6382XR44D2-T features an adjustable reset output-threshold which is set through the use of an external resistor. This allows for a wide range of reset levels, from 2.35V to 3.15V.

Conclusion

The MAX6382XR44D2-T is a versatile supervisor that can be used in a variety of applications. It provides monitoring of supply voltage, reset input, power-on reset and memory initialization functions. It can operate over wide temperature ranges and withstand high noise environments due its superior ESD protection and latch-up immunity. Its low power consumption and adjustable reset output-threshold makes it suitable for power sensitive applications such as mobile phones and other handheld devices.

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