ON Semiconductor
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FDMS5352
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FDMS5352

Product Overview

Category: Power Management IC
Use: Voltage Regulator
Characteristics: High efficiency, low power dissipation
Package: Power SO-8
Essence: MOSFET and Schottky diode integrated into a single package
Packaging/Quantity: Tape & Reel (3000 units per reel)

Specifications

  • Input Voltage: 4.5V to 28V
  • Output Voltage: 0.6V to 5.5V
  • Continuous Output Current: 3A
  • Switching Frequency: 1.5MHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN (Pin 1) - Input Voltage
  2. GND (Pin 2) - Ground
  3. SW (Pin 3) - Switch Node
  4. FB (Pin 4) - Feedback
  5. EN (Pin 5) - Enable
  6. PG (Pin 6) - Power Good
  7. AGND (Pin 7) - Analog Ground
  8. VOUT (Pin 8) - Output Voltage

Functional Features

  • Integrated high-side and low-side MOSFETs
  • Internal compensation for simplified design
  • Low quiescent current in standby mode
  • Overcurrent protection and thermal shutdown

Advantages and Disadvantages

Advantages: - High efficiency - Small footprint - Simplified design due to integrated components

Disadvantages: - Limited output current compared to some alternatives - Higher cost compared to discrete components

Working Principles

The FDMS5352 is a synchronous buck regulator that uses pulse-width modulation (PWM) to regulate the output voltage. The integrated MOSFETs switch the input voltage to the output with high efficiency, while the internal control circuitry adjusts the duty cycle to maintain the desired output voltage.

Detailed Application Field Plans

The FDMS5352 is suitable for various applications requiring efficient voltage regulation, such as: - Point-of-load power supplies - Industrial automation - Telecommunications equipment - Consumer electronics

Detailed and Complete Alternative Models

  1. FDMS5351: Similar specifications but with a lower continuous output current of 2A.
  2. FDMS5353: Higher continuous output current of 5A with similar features and package.

In conclusion, the FDMS5352 is a versatile power management IC offering high efficiency and integration, making it suitable for a wide range of applications where compact and efficient voltage regulation is essential.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací FDMS5352 v technických řešeních

  1. What is FDMS5352?

    • FDMS5352 is a power MOSFET (metal-oxide-semiconductor field-effect transistor) commonly used in electronic circuits for switching and amplification.

  2. What are the key specifications of FDMS5352?

    • The FDMS5352 typically has a low on-resistance, high current-carrying capability, and low gate charge, making it suitable for high-efficiency power management applications.

  3. In what technical solutions is FDMS5352 commonly used?

    • FDMS5352 is often used in applications such as voltage regulators, motor control, power supplies, and DC-DC converters.

  4. What are the advantages of using FDMS5352 in technical solutions?

    • Some advantages of using FDMS5352 include its high efficiency, low power dissipation, and compact size, making it ideal for space-constrained designs.

  5. How does FDMS5352 contribute to improving energy efficiency in technical solutions?

    • FDMS5352's low on-resistance and low gate charge help minimize power losses and improve overall energy efficiency in power management applications.

  6. Are there any common challenges when integrating FDMS5352 into technical solutions?

    • One common challenge is ensuring proper thermal management to prevent overheating, especially in high-power applications.

  7. What are the typical operating conditions for FDMS5352 in technical solutions?

    • FDMS5352 is designed to operate within specified voltage, current, and temperature ranges, which should be carefully considered during system design.

  8. Can FDMS5352 be used in automotive or industrial applications?

    • Yes, FDMS5352 is suitable for automotive and industrial applications due to its robustness and reliability in demanding environments.

  9. What are some best practices for PCB layout when using FDMS5352?

    • Best practices include minimizing trace lengths, providing adequate thermal vias, and following recommended layout guidelines to optimize performance and reliability.

  10. Are there any alternative components that can be used in place of FDMS5352?

    • While there are alternative MOSFETs available, the selection should be based on specific application requirements and compatibility with the overall system design.