MAX6503UKN045+T Voltage Detector IC, Low-Voltage Reset, SOT-23 Package

MAX6503UKN045+T Overview

The MAX6503UKN045+T is a precision voltage monitor designed for reliable system supervision in industrial and embedded applications. This integrated circuit offers a fixed threshold voltage of 4.5V, providing accurate power supply monitoring and reset generation to maintain system stability. Its ultra-low power consumption and compact SOT23 package make it ideal for space-constrained environments where efficiency and reliability are critical. With a push-pull reset output and guaranteed output reset timeout, the device ensures robust microprocessor and system resets. For detailed product data, visit IC Manufacturer.

MAX6503UKN045+T Technical Specifications

MAX6503UKN045+T Key Features

• Fixed 4.5V Threshold Voltage: Provides precise and reliable voltage monitoring to ensure system stability during power fluctuations.
• Push-Pull Reset Output: Delivers a strong and noise-immune reset signal to microprocessors and system controllers, improving system reliability.
• Low Supply Current: Consumes only 1 ??A typical, optimizing battery life and reducing overall system power consumption.
• Guaranteed Reset Timeout: Ensures a minimum 140 ms reset pulse duration for proper system initialization after power is restored.
• Wide Operating Voltage Range: Compatible with supply voltages from 2.7 V to 5.5 V, supporting a broad range of industrial and embedded systems.
• Compact SOT23-3 Package: Enables easy integration in space-constrained designs without compromising performance.
• Temperature Range: Operates reliably from -40??C to +85??C, suitable for harsh industrial environments.

MAX6503UKN045+T Advantages vs Typical Alternatives

This voltage supervisor excels in offering a low quiescent current of 1 ??A, reducing power consumption compared to typical reset ICs. Its fixed 4.5 V threshold guarantees accurate monitoring with minimal variation, while the push-pull output ensures a robust reset signal. The compact SOT23-3 package and wide voltage range support flexible integration in various industrial applications, delivering higher reliability and better performance than many conventional reset supervisors.

Typical Applications

• Microprocessor and microcontroller reset supervision in battery-powered and industrial control systems, ensuring reliable startup and fault recovery.
• Power supply monitoring for embedded systems where low power consumption and accurate reset timing are critical.
• Embedded system supervision in communication devices requiring precise voltage threshold detection for system stability.
• Consumer electronics and portable devices that benefit from compact packaging and ultra-low supply current to extend battery life.

MAX6503UKN045+T Brand Info

The MAX6503UKN045+T is part of the MAX6503 series, known for precision voltage monitoring and supervisory functions in demanding industrial and embedded applications. Manufactured with high-quality semiconductor processes, this device offers trusted performance and reliability. It is designed to meet the needs of engineers seeking accurate voltage threshold detection, low power operation, and compact form factors. The product supports a wide temperature range, making it suitable for harsh environments and long-term deployment.

FAQ

What is the primary function of the MAX6503UKN045+T?

The device functions as a voltage supervisor that monitors supply voltage levels and generates a reset signal when the voltage falls below the fixed 4.5 V threshold. This helps protect microprocessors and other digital devices from operating under undervoltage conditions, ensuring system stability and proper initialization.

How does the push-pull reset output benefit system design?

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