Active-Semi International Inc.
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ACT5805AQI-T

ACT5805AQI-T

Product Overview

Category: Integrated Circuit
Use: Power Management
Characteristics: High efficiency, compact design
Package: QFN-16
Essence: Voltage Regulator
Packaging/Quantity: Tape & Reel, 2500 units

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 0.8V to 24V
  • Output Current: 3A
  • Switching Frequency: 1.2MHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN
  2. PGND
  3. SW
  4. FB
  5. EN
  6. SS/TRK
  7. AGND
  8. VOUT

Functional Features

  • Wide input voltage range
  • High efficiency up to 95%
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile applications - High efficiency reduces power loss - Adjustable output voltage provides flexibility

Disadvantages: - Higher switching frequency may require careful PCB layout for noise control - Limited output current compared to some alternatives

Working Principles

The ACT5805AQI-T is a synchronous step-down DC-DC converter that regulates the output voltage by adjusting the duty cycle of the internal switches. It uses a pulse-width modulation (PWM) control scheme to achieve high efficiency and accurate output voltage regulation.

Detailed Application Field Plans

  1. Industrial Automation: The wide input voltage range makes it suitable for various industrial automation systems.
  2. Automotive Electronics: Its compact design and high efficiency make it ideal for automotive applications such as infotainment systems and LED lighting.
  3. Telecommunications: The adjustable output voltage and overcurrent protection feature cater to the diverse needs of telecommunications equipment.

Detailed and Complete Alternative Models

  1. LM2675-ADJ/NOPB
  2. LT1763-SD#PBF
  3. TPS54332DDAR

In conclusion, the ACT5805AQI-T is a versatile and efficient voltage regulator suitable for a wide range of applications in industries such as industrial automation, automotive electronics, and telecommunications.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением ACT5805AQI-T в технических решениях.

  1. What is the operating voltage range of ACT5805AQI-T?

    • The operating voltage range of ACT5805AQI-T is typically 2.7V to 5.5V.

  2. What is the maximum output current of ACT5805AQI-T?

    • The maximum output current of ACT5805AQI-T is typically 3A.

  3. Can ACT5805AQI-T be used in automotive applications?

    • Yes, ACT5805AQI-T is suitable for automotive applications as it meets AEC-Q100 Grade 1 standards.

  4. What is the typical efficiency of ACT5805AQI-T?

    • The typical efficiency of ACT5805AQI-T is around 95% at full load.

  5. Does ACT5805AQI-T have overcurrent protection?

    • Yes, ACT5805AQI-T features overcurrent protection to safeguard the circuit and load.

  6. What is the thermal shutdown temperature of ACT5805AQI-T?

    • The thermal shutdown temperature of ACT5805AQI-T is typically 165°C.

  7. Is ACT5805AQI-T suitable for space-constrained applications?

    • Yes, ACT5805AQI-T comes in a compact package and is suitable for space-constrained applications.

  8. Can ACT5805AQI-T be used in battery-powered devices?

    • Yes, ACT5805AQI-T is suitable for battery-powered devices due to its low quiescent current and high efficiency.

  9. What is the typical switching frequency of ACT5805AQI-T?

    • The typical switching frequency of ACT5805AQI-T is around 2.2MHz.

  10. Does ACT5805AQI-T require external compensation components?

    • No, ACT5805AQI-T features internal compensation, eliminating the need for external compensation components.