MAX809S

The MAX809S is a voltage supervisor IC designed to monitor power supply voltages in electronic circuits. It features a precise reset output that activates when the supply voltage falls below a specified threshold, ensuring reliable operation of microcontrollers and other digital devices. The MAX809S offers various reset voltage threshold options, typically ranging from 2.63V to 5.0V, making it suitable for a wide range of applications.
This device operates at low power consumption, enhancing battery life in portable applications. It has a fast reset response time, ensuring quick recovery after voltage dips, and includes built-in hysteresis to prevent false resets due to minor voltage fluctuations. The MAX809S is available in various package types, allowing for flexible integration into different designs. Overall, it provides an essential function for system stability by ensuring that digital circuits operate within safe voltage levels.

The MAX809S is a low-voltage, microprocessor supervisory circuit designed for system monitoring and reset functions. Key features include:
1. Voltage Monitoring: It monitors supply voltage levels and provides a reset output when the voltage falls below a predetermined threshold.
2. Reset Output: Offers a reset signal to ensure that microcontrollers or processors start in a defined state during power-up or voltage dips.
3. Threshold Options: Available in several voltage threshold variants, including 2.63V, 2.93V, 3.08V, and 5.0V, allowing flexibility for different applications.
4. Debounce Time: Features a built-in delay (typically 200 ms) to prevent false resets due to brief voltage fluctuations.
5. Low Power Consumption: Operates with minimal current draw to enhance battery life in portable applications.
6. Small Packaging: Offered in compact packages (SOT-23, SC70) suitable for space-constrained designs.
7. Wide Operating Temperature: Functions reliably over a wide temperature range, typically from -40°C to +125°C.
These features make the MAX809S ideal for applications in automotive, consumer electronics, and industrial systems requiring reliable power management.

The MAX809S is typically available in a SOT-23 package type. This compact surface-mount package is designed for space-constrained applications, providing efficient performance for voltage monitoring and reset functions in electronic circuits.

The MAX809S is a voltage supervisor IC with a pin count of 5. Its primary function is to monitor power supply levels and provide a reset signal when the voltage drops below a pre-defined threshold, ensuring proper system operation during power-up, power-down, and brown-out conditions.
Pin Configuration:
1. VDD: Positive supply voltage input.
2. GND: Ground connection.
3. RESET: Active-low reset output signal, which goes low when the monitored voltage falls below the threshold.
4. MR (Manual Reset): Active-low manual reset input; pulling this pin low resets the output.
5. VOUT: Voltage detection input; monitors the supply voltage for the reset function.
The MAX809S is designed for use in microcontroller, DSP, and other digital logic applications, providing reliable reset functionality for system stability.

The MAX809S is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is a semiconductor company that specializes in designing and manufacturing analog and mixed-signal integrated circuits. Their products are used in a variety of applications, including consumer electronics, automotive systems, industrial equipment, and telecommunications. The company is known for its innovation in power management, signal processing, and interface solutions, catering to a diverse range of industries by providing high-performance and efficient electronic components.

The MAX809S is a voltage supervisor used for power-on reset and voltage monitoring in various applications, including microcontrollers, embedded systems, and battery-operated devices. It ensures reliable operation by resetting the system when voltage drops below a specified threshold, preventing malfunction. Common application areas include consumer electronics, automotive systems, industrial controls, and portable devices.

The MAX809S is a voltage supervisor with a specific threshold voltage. Equivalent products include the MCP100, TPS3808, and LM393. These alternatives offer similar voltage monitoring and reset functionality but may vary in specifications such as voltage thresholds, package types, and features. Always check datasheets for precise compatibility.