MAX6387LT33D4+T

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The MAX6387LT33D4+T is a High Precision Supervisor device designed by Maxim Integrated to protect microcontroller-based systems from power-supply damage or malfunction. Application fields include Pharmaceuticals, Industrial, Medical and Military equipments. The device works on a 1.2V to 5.5V supply voltage range, and is a low power, low cost, and low noise. It has a wide temperature range of -40°C to +85°C and some unique features like Internal Power-On Reset and Push-Pull Output for driving discrete logic.

The MAX6387LT33D4+T features both a Tight Voltage Monitor and a Precision Voltage Monitor on each of its two channels. The Tight Voltage Monitor (TVM) is used to detect a power supply voltage that is too low to provide proper voltage for the system’s microcontroller. The Precision Voltage Monitor (PVM) is used to detect a power supply voltage that is too high for the system’s microcontroller to operate properly. It has an hysteresis voltage that can be programmed via external resistors on the VCC pin to reduce false triggering of the reset. It also has a manual reset to clear the reset circuit when needed. It also has a selectable open-drain reset drive mode with active-high or active-low polarity.

The key feature of the MAX6387LT33D4+T is its advanced Power-On Reset functionality. This feature ensures that low-power systems are gradually powered up, which is especially important when the system is starting up from a cold start. The device also has a push-pull output for driving discrete logic. This can be used to indicate system power-on status in addition to providing a digital output to drive LED indicators.

The MAX6387LT33D4+T also features a variety of other protections for power supply systems. It includes both overvoltage protection and undervoltage protection. The overvoltage protection function will trip when the voltage rises above the OVP threshold, while the undervoltage protection function will trip when the voltage drops below the UVLO threshold. It also provides current limiting protection, which will limit the input current to a safe level when the device is overstressed. The device also has a feature that prevents it from being damaged by over-current in the event of a fault occurrence.

The MAX6387LT33D4+T is an ideal solution for many industrial, automotive, consumer and medical applications. Its low power demand, small size and low noise make it an attractive choice for applications that require reliable monitoring and control of power supply voltages. Additionally, its wide temperature range and various features such as its manual reset, Power-On reset and push-pull output make it an ideal choice for a variety of industrial, automotive, consumer and medical applications.

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