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STA475A
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STA475A

Product Overview

Belongs to: Voltage Regulator
Category: Electronic Component
Use: STA475A is a voltage regulator used to maintain a stable output voltage in electronic circuits.
Characteristics: It has high precision, low dropout voltage, and thermal shutdown protection.
Package: Available in TO-220 and D2PAK packages.
Essence: The STA475A is essential for ensuring consistent and reliable power supply in various electronic devices.
Packaging/Quantity: Typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 4.5V to 36V
  • Output Voltage Range: 1.2V to 32V
  • Dropout Voltage: 300mV at 1A
  • Output Current: 1A
  • Operating Temperature Range: -40°C to 125°C
  • Line Regulation: 0.04%
  • Load Regulation: 0.2%

Detailed Pin Configuration

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VOUT (Output Voltage)

Functional Features

  • High Accuracy
  • Low Dropout Voltage
  • Thermal Shutdown Protection
  • Short Circuit Protection
  • Reverse Polarity Protection

Advantages and Disadvantages

Advantages: - Wide input voltage range - Excellent line and load regulation - Robust protection features

Disadvantages: - Limited output current compared to some alternatives - Higher dropout voltage than certain competing models

Working Principles

The STA475A uses a feedback control mechanism to compare the output voltage with a reference voltage and adjusts the pass transistor to maintain a constant output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The STA475A is widely used in: - Battery-powered devices - Automotive electronics - Industrial control systems - Telecommunication equipment

Detailed and Complete Alternative Models

  1. LM317: A popular adjustable linear voltage regulator with similar characteristics.
  2. LT1086: Offers higher output current and lower dropout voltage compared to STA475A.

In conclusion, the STA475A voltage regulator offers precise and reliable voltage regulation for a wide range of electronic applications, making it an essential component in modern electronic designs.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät STA475A :n soveltamiseen teknisissä ratkaisuissa

  1. What is STA475A?

    • STA475A is a high-efficiency digital input power amplifier designed for automotive applications.

  2. What is the typical operating voltage range for STA475A?

    • The typical operating voltage range for STA475A is from 6V to 18V.

  3. What is the maximum output power of STA475A?

    • The maximum output power of STA475A is 4x27W at 14.4V, 4Ω.

  4. Can STA475A be used in bridge-tied load (BTL) configuration?

    • Yes, STA475A can be used in bridge-tied load (BTL) configuration.

  5. What are the key features of STA475A?

    • Some key features of STA475A include advanced diagnostics, I2C control interface, and low power dissipation.

  6. Is STA475A suitable for use in automotive infotainment systems?

    • Yes, STA475A is suitable for use in automotive infotainment systems due to its high efficiency and robust design.

  7. Does STA475A have built-in protection features?

    • Yes, STA475A includes built-in protection features such as short-circuit protection and thermal shutdown.

  8. What is the recommended application circuit for STA475A?

    • The recommended application circuit for STA475A includes input and output capacitors, as well as appropriate filtering components.

  9. Can STA475A be used in conjunction with microcontrollers or DSPs?

    • Yes, STA475A can be easily integrated with microcontrollers or DSPs through its I2C control interface.

  10. Are there any evaluation boards available for STA475A?

    • Yes, evaluation boards are available for STA475A to facilitate testing and prototyping in technical solutions.