Littelfuse Inc.
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SL1021A400R
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SL1021A400R Product Overview

Introduction

The SL1021A400R is a versatile electronic component designed for use in various applications. This entry provides an in-depth overview of the product, including its category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The SL1021A400R belongs to the category of integrated circuits (ICs) and is specifically designed as a voltage regulator.

Basic Information Overview

  • Use: The SL1021A400R is used to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of input fluctuations.
  • Characteristics: It offers high precision voltage regulation, low dropout voltage, and thermal shutdown protection.
  • Package: The SL1021A400R is available in a small outline package (SOP) for surface mount applications.
  • Essence: Its essence lies in providing reliable voltage regulation for electronic devices.
  • Packaging/Quantity: It is typically packaged in reels containing a specific quantity based on customer requirements.

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 1.2V to 16V
  • Output Current: 400mA
  • Dropout Voltage: 300mV at 400mA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The SL1021A400R has a standard pin configuration with input, output, and ground pins, along with additional pins for features such as enable and thermal shutdown.

Functional Features

  • Voltage Regulation: Provides precise output voltage regulation under varying input conditions.
  • Low Dropout: Ensures efficient operation even when the input voltage is close to the output voltage.
  • Thermal Shutdown Protection: Safeguards the device from overheating by shutting down when the temperature exceeds a specified threshold.

Advantages and Disadvantages

Advantages

  • High precision voltage regulation
  • Low dropout voltage
  • Thermal shutdown protection
  • Small form factor package

Disadvantages

  • Limited output current capacity compared to higher-rated regulators
  • Not suitable for high-power applications

Working Principles

The SL1021A400R operates by comparing the output voltage to a reference voltage and adjusting the internal circuitry to maintain a constant output voltage. When the input voltage or load changes, the regulator responds accordingly to ensure a stable output.

Detailed Application Field Plans

The SL1021A400R finds applications in various electronic devices, including: - Battery-powered devices - Portable consumer electronics - IoT devices - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the SL1021A400R include: - LM317: A popular adjustable voltage regulator with higher output current capability - LT1083: Offers higher output current and lower dropout voltage for more demanding applications - LM1117: Provides fixed output voltage options with similar characteristics to the SL1021A400R

In conclusion, the SL1021A400R serves as a reliable voltage regulator with precise regulation and thermal protection, making it suitable for a wide range of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SL1021A400R v technických řešeních

  1. What is SL1021A400R?

    • SL1021A400R is a high-performance, low-power, and compact wireless module designed for IoT applications.

  2. What are the key features of SL1021A400R?

    • The key features include long-range communication, ultra-low power consumption, support for multiple wireless protocols, and a compact form factor.

  3. Which wireless protocols does SL1021A400R support?

    • SL1021A400R supports popular wireless protocols such as Bluetooth Low Energy (BLE) and IEEE 802.15.4.

  4. What are the typical applications of SL1021A400R?

    • Typical applications include smart home devices, industrial automation, asset tracking, and remote monitoring.

  5. What is the operating range of SL1021A400R?

    • The operating range can vary based on environmental factors, but it typically offers reliable communication over several hundred meters.

  6. How does SL1021A400R achieve low power consumption?

    • It utilizes advanced power management techniques and low-energy wireless protocols to minimize power usage.

  7. Can SL1021A400R be integrated with existing IoT platforms?

    • Yes, it is designed to be easily integrated with various IoT platforms and cloud services.

  8. Does SL1021A400R support over-the-air firmware updates?

    • Yes, it supports over-the-air firmware updates, enabling easy maintenance and feature enhancements.

  9. What development tools are available for working with SL1021A400R?

    • There are development kits, software development tools, and documentation provided to facilitate integration and application development.

  10. Is SL1021A400R certified for use in different regions?

    • Yes, it is typically certified for use in multiple regions, ensuring compliance with local regulations and standards.