MAX809SEXR+T

The MAX809SEXR+T is a low-voltage, microprocessor supervisory circuit designed to monitor power supply levels and provide reset functionality for microcontrollers and other logic devices. It features a precision voltage monitoring function with a threshold set at 2.63V, 2.93V, or 3.08V, ensuring that the device signals when the supply voltage falls below the specified level.
The reset output is active low and remains asserted during power-up and when the voltage falls below the threshold, preventing system malfunctions. It typically features low power consumption, making it suitable for battery-operated devices. The package is offered in a compact SOT23-5 form factor, facilitating easy integration into space-constrained designs.
Additionally, the “+T” in the part number denotes that the device is offered in tape and reel packaging, suitable for automated assembly processes. Overall, the MAX809SEXR+T is an essential component for ensuring reliable operation and reset management in electronic systems.

The MAX809SEXR+T is a microprocessor supervisory circuit designed to monitor power supply voltages. Key features include:
1. Voltage Monitoring: It offers a reset threshold voltage of 2.63V, 2.93V, or 3.08V, ensuring that microcontrollers reset appropriately during power supply fluctuations.
2. Low Power Consumption: It operates with a low supply current of approximately 1.5 µA, making it suitable for battery-operated devices.
3. Reset Timing: The device provides a reset duration of 200 ms (typical) after VCC falls below the threshold, ensuring reliable system startup.
4. Active-Low RESET Output: It features an active-low reset output that goes low when VCC drops below the threshold, allowing easy interfacing with microcontrollers.
5. Temperature Range: It operates across a wide temperature range of -40°C to +125°C, suitable for various applications.
6. Small Package: The MAX809SEXR+T is available in a small SOT23 package, facilitating compact designs.
These features make it ideal for enhancing system reliability in a variety of electronic applications.

The MAX809SEXR+T is packaged in a SOT23-5 (Small Outline Transistor) package. This surface-mount package is compact and designed for easy integration into printed circuit boards.

The MAX809SEXR+T is a voltage supervisor with a pin count of 8. It operates as a reset generator, providing a reset signal when the supply voltage falls below a specified threshold.
Pin Functions:
1. Pin 1 (GND): Ground connection.
2. Pin 2 (VCC): Supply voltage input (operates between 2.63V and 5.5V).
3. Pin 3 (NC): No connection (not internally connected).
4. Pin 4 (RST): Reset output; goes low when VCC is below the threshold and returns high when VCC rises above the threshold.
5. Pin 5 (VTH): Threshold voltage select; determines the reset threshold level.
6. Pin 6 (NC): No connection (not internally connected).
7. Pin 7 (SENSE): Voltage sense input; monitors VCC.
8. Pin 8 (RESET): Active low reset output which signals when the supply voltage drops.
This device is used in various applications requiring reliable power monitoring and reset functionality.

The MAX809SEXR+T is manufactured by Maxim Integrated, which is a semiconductor company known for designing and producing analog and mixed-signal integrated circuits. Maxim Integrated specializes in a variety of applications, including power management, signal processing, and data conversion. The company focuses on providing innovative solutions for industries such as automotive, communications, healthcare, and consumer electronics. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., further enhancing its capabilities in the semiconductor market.

The MAX809SEXR+T is a voltage supervisor IC used for monitoring system voltages and providing reset signals in various applications. Its primary application areas include microcontroller and microprocessor reset circuits, battery-powered devices, automotive systems, and consumer electronics. It ensures reliable operation by detecting voltage levels and generating reset signals when voltages fall below a specified threshold, thus preventing erroneous operation during power fluctuations.

The MAX809SEXR+T is a voltage supervisor chip. Equivalent products include the MCP100, LM805, and ADM811, which also provide voltage monitoring and reset functions. Ensure to check specific parameters like voltage thresholds, reset delay, and pin configurations to confirm compatibility.