Microsemi Corporation
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UPS5817/TR7
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UPS5817/TR7

Product Overview

Category

The UPS5817/TR7 belongs to the category of voltage regulators and power management devices.

Use

It is used to regulate and stabilize voltage in electronic circuits, ensuring a consistent power supply to sensitive components.

Characteristics

  • Stability: Provides stable output voltage even with input fluctuations.
  • Efficiency: High efficiency in converting input voltage to regulated output.
  • Protection: Offers protection against overvoltage, undervoltage, and short circuits.

Package

The UPS5817/TR7 comes in a compact and durable package suitable for surface mount applications.

Essence

The essence of UPS5817/TR7 lies in its ability to maintain a steady voltage output, safeguarding electronic devices from potential damage due to voltage irregularities.

Packaging/Quantity

The UPS5817/TR7 is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 1.25V to 20V
  • Output Current: Up to 3A
  • Operating Temperature Range: -40°C to 125°C
  • Package Type: SOT-223

Detailed Pin Configuration

The UPS5817/TR7 features a standard SOT-223 pin configuration: 1. Input Voltage (VIN) 2. Ground (GND) 3. Output Voltage (VOUT)

Functional Features

  • Voltage Regulation: Maintains a constant output voltage despite variations in the input voltage.
  • Overcurrent Protection: Safeguards the circuit by limiting the output current during overloads.
  • Thermal Shutdown: Prevents overheating by shutting down the device when the temperature exceeds safe limits.

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Compact form factor
  • Overcurrent and thermal protection

Disadvantages

  • Limited output current compared to higher-rated models
  • Higher cost compared to basic linear regulators

Working Principles

The UPS5817/TR7 utilizes a feedback control mechanism to compare the actual output voltage with a reference voltage, adjusting the internal circuitry to maintain a stable output regardless of input variations.

Detailed Application Field Plans

The UPS5817/TR7 is well-suited for various applications, including: - Portable electronic devices - Automotive electronics - Industrial control systems - Battery-powered equipment

Detailed and Complete Alternative Models

  • LM317: A classic linear regulator with adjustable output voltage.
  • LM7805: Fixed 5V regulator suitable for low-power applications.
  • LM2940: Low dropout voltage regulator for battery-powered devices.

In conclusion, the UPS5817/TR7 offers reliable voltage regulation and protection features, making it an ideal choice for diverse electronic applications requiring stable power supplies.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de UPS5817/TR7 en soluciones técnicas

  1. What is UPS5817/TR7?

    • UPS5817/TR7 is a high-efficiency synchronous rectification controller designed for use in AC/DC and DC/DC power supplies.

  2. What are the key features of UPS5817/TR7?

    • The key features include wide input voltage range, high efficiency, low standby power consumption, and comprehensive protection features.

  3. How does UPS5817/TR7 improve power supply efficiency?

    • UPS5817/TR7 improves efficiency by providing synchronous rectification control, reducing power losses and improving overall power conversion efficiency.

  4. In what applications can UPS5817/TR7 be used?

    • UPS5817/TR7 can be used in various applications such as industrial power supplies, LED lighting, consumer electronics, and telecommunication equipment.

  5. What is the input voltage range for UPS5817/TR7?

    • The input voltage range for UPS5817/TR7 is typically from 85V to 265V AC.

  6. What are the protection features of UPS5817/TR7?

    • The protection features include overvoltage protection, undervoltage lockout, overcurrent protection, and thermal shutdown.

  7. Does UPS5817/TR7 support soft-start functionality?

    • Yes, UPS5817/TR7 supports soft-start functionality to minimize inrush current during startup.

  8. Can UPS5817/TR7 be used in both isolated and non-isolated power supply designs?

    • Yes, UPS5817/TR7 is suitable for both isolated and non-isolated power supply designs.

  9. What is the typical switching frequency of UPS5817/TR7?

    • The typical switching frequency of UPS5817/TR7 is around 100kHz to 500kHz.

  10. Is UPS5817/TR7 compliant with industry standards and regulations?

    • Yes, UPS5817/TR7 is compliant with relevant industry standards such as EN55022 and EN61000.