Texas Instruments
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UC3901DTR
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UC3901DTR

Product Overview

Category

The UC3901DTR belongs to the category of voltage supervisors and monitors.

Use

It is used for monitoring and supervising voltage levels in electronic circuits to ensure proper functioning and prevent damage due to overvoltage or undervoltage conditions.

Characteristics

  • Package: The UC3901DTR comes in a small outline package (SOIC) with 8 pins.
  • Essence: It provides precise voltage monitoring and supervision capabilities.
  • Packaging/Quantity: Typically, it is available in reels with a quantity of 2500 units per reel.

Specifications

The UC3901DTR has the following specifications: - Operating Voltage Range: 4.5V to 40V - Quiescent Current: 50µA - Threshold Voltage Accuracy: ±1% - Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The UC3901DTR has the following pin configuration: 1. VDD: Power supply input 2. GND: Ground 3. MR: Manual reset input 4. VO: Power supply monitor output 5. VIT+: Positive input for voltage threshold setting 6. VIT-: Negative input for voltage threshold setting 7. VT+: Positive input for manual reset threshold setting 8. VT-: Negative input for manual reset threshold setting

Functional Features

The functional features of the UC3901DTR include: - Overvoltage and undervoltage detection - Manual reset input for system initialization - Precise voltage threshold setting - Low quiescent current

Advantages and Disadvantages

Advantages

  • Wide operating voltage range
  • Accurate voltage monitoring
  • Low power consumption

Disadvantages

  • Limited to voltage monitoring and supervision only
  • Requires external components for specific threshold settings

Working Principles

The UC3901DTR works by comparing the monitored voltage with the preset threshold levels. When the voltage exceeds or falls below the set thresholds, the corresponding output signals are activated to indicate the fault condition.

Detailed Application Field Plans

The UC3901DTR is commonly used in various applications such as: - Power supply units - Battery management systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the UC3901DTR include: - MAX16050 - LTC2937 - TPS3700

In conclusion, the UC3901DTR is a reliable voltage supervisor and monitor with precise monitoring capabilities and wide application in diverse electronic systems.

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Énumérez 10 questions et réponses courantes liées à l'application de UC3901DTR dans les solutions techniques

  1. What is the UC3901DTR?

    • The UC3901DTR is a precision low dropout voltage regulator designed for use in applications requiring high accuracy and low power consumption.

  2. What is the input voltage range of the UC3901DTR?

    • The UC3901DTR has an input voltage range of 2.7V to 10V, making it suitable for a wide variety of power supply designs.

  3. What is the output voltage accuracy of the UC3901DTR?

    • The UC3901DTR offers high output voltage accuracy of ±1%, ensuring stable and reliable power delivery.

  4. What are the typical applications of the UC3901DTR?

    • The UC3901DTR is commonly used in battery-powered devices, portable electronics, and other applications where precise voltage regulation is critical.

  5. Does the UC3901DTR have built-in thermal shutdown protection?

    • Yes, the UC3901DTR features built-in thermal shutdown protection to prevent damage from excessive heat.

  6. What is the maximum output current of the UC3901DTR?

    • The UC3901DTR can deliver a maximum output current of 150mA, making it suitable for powering a wide range of components and peripherals.

  7. Is the UC3901DTR suitable for automotive applications?

    • Yes, the UC3901DTR is designed to operate reliably in automotive environments, making it well-suited for automotive electronics and control systems.

  8. Does the UC3901DTR require external compensation components?

    • No, the UC3901DTR features internal compensation, simplifying the design and reducing the need for external components.

  9. What is the operating temperature range of the UC3901DTR?

    • The UC3901DTR is designed to operate over a wide temperature range, typically from -40°C to 125°C, ensuring performance in various environmental conditions.

  10. Can the UC3901DTR be used in low-power IoT devices?

    • Yes, the UC3901DTR's low power consumption and high accuracy make it suitable for use in low-power IoT devices and sensor nodes.