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SPX1587AT-L
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SPX1587AT-L

Product Overview

Category

SPX1587AT-L belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

  • High precision voltage regulation
  • Low dropout voltage
  • Thermal shutdown protection
  • Current limiting
  • Short circuit protection

Package

The SPX1587AT-L comes in a TO-220 package.

Essence

The essence of SPX1587AT-L lies in its ability to provide stable and regulated voltage output.

Packaging/Quantity

The product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: 4.75V to 7V
  • Output Voltage Range: 1.25V to 5.5V
  • Dropout Voltage: 1.3V (typical)
  • Maximum Output Current: 3A
  • Line Regulation: 0.015% (typical)
  • Load Regulation: 0.1% (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The SPX1587AT-L has three pins:

  1. Vin (Pin 1): Input voltage pin.
  2. Vout (Pin 2): Output voltage pin.
  3. GND (Pin 3): Ground pin.

Functional Features

  • High Precision: The SPX1587AT-L provides precise voltage regulation, ensuring stable and accurate output.
  • Low Dropout Voltage: With a low dropout voltage, it can maintain regulation even when the input voltage is close to the output voltage.
  • Thermal Shutdown Protection: The regulator includes thermal shutdown protection, preventing damage due to excessive heat.
  • Current Limiting: It incorporates current limiting functionality to protect the circuit from overcurrent conditions.
  • Short Circuit Protection: The SPX1587AT-L safeguards against short circuits, preventing damage to the device and connected components.

Advantages and Disadvantages

Advantages

  • High precision voltage regulation ensures stable output.
  • Low dropout voltage allows for efficient operation even with low input voltages.
  • Thermal shutdown protection prevents overheating and potential damage.
  • Current limiting protects the circuit from excessive current flow.
  • Short circuit protection safeguards the device and connected components.

Disadvantages

  • Limited input voltage range (4.75V to 7V).
  • Maximum output current limited to 3A.

Working Principles

The SPX1587AT-L operates as a linear voltage regulator. It takes an input voltage and regulates it to a specified output voltage. The internal circuitry compares the output voltage to a reference voltage and adjusts the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The SPX1587AT-L finds applications in various fields, including:

  1. Power supply units for electronic devices.
  2. Battery-powered systems requiring stable voltage regulation.
  3. Automotive electronics.
  4. Industrial control systems.
  5. Telecommunications equipment.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SPX1587AT-L include:

  1. LM317: A popular adjustable voltage regulator with a wide input voltage range.
  2. LT1086: A low dropout voltage regulator capable of handling higher currents.
  3. LM1117: A series of fixed voltage regulators available in various output voltage options.

These alternative models can be considered based on specific requirements and compatibility with the application.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SPX1587AT-L у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of SPX1587AT-L in technical solutions:

  1. Q: What is SPX1587AT-L? A: SPX1587AT-L is a low dropout voltage regulator (LDO) IC that provides a fixed output voltage with high accuracy and low quiescent current.

  2. Q: What is the input voltage range for SPX1587AT-L? A: The input voltage range for SPX1587AT-L is typically between 4.75V and 7V.

  3. Q: What is the output voltage of SPX1587AT-L? A: The output voltage of SPX1587AT-L can be set to various fixed voltages, such as 3.3V, 5V, or 12V, depending on the specific variant.

  4. Q: What is the maximum output current of SPX1587AT-L? A: The maximum output current of SPX1587AT-L is typically around 3A, but it may vary depending on the specific variant and operating conditions.

  5. Q: Can SPX1587AT-L handle both positive and negative voltage inputs? A: No, SPX1587AT-L is designed to work with positive voltage inputs only.

  6. Q: Is SPX1587AT-L suitable for battery-powered applications? A: Yes, SPX1587AT-L is well-suited for battery-powered applications due to its low dropout voltage and low quiescent current.

  7. Q: Does SPX1587AT-L have built-in thermal protection? A: Yes, SPX1587AT-L incorporates thermal shutdown circuitry to protect itself from excessive heat.

  8. Q: Can SPX1587AT-L be used in automotive applications? A: Yes, SPX1587AT-L is designed to meet the requirements of automotive applications and can operate over a wide temperature range.

  9. Q: Does SPX1587AT-L require any external components for operation? A: Yes, SPX1587AT-L typically requires input and output capacitors for stability and proper operation.

  10. Q: Can SPX1587AT-L be used in high-reliability industrial systems? A: Absolutely, SPX1587AT-L is suitable for use in various industrial systems that demand reliable voltage regulation.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements.