ON Semiconductor
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FDMS86250
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FDMS86250

Product Overview

Category: Power Management IC
Use: Voltage Regulator
Characteristics: High efficiency, low power dissipation
Package: Power 56 (7x8)
Essence: Efficient power management
Packaging/Quantity: Tape & Reel, 250 units

Specifications

  • Input Voltage: 4.5V to 28V
  • Output Voltage: 0.6V to 5.5V
  • Continuous Output Current: 25A
  • Switching Frequency: 500kHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN
  2. PGND
  3. SW
  4. FB
  5. SS/TR
  6. COMP
  7. VCC
  8. BOOT
  9. PHASE
  10. LGATE
  11. PGND
  12. RT/CLK
  13. SS/TR
  14. EN
  15. AGND
  16. PGND

Functional Features

  • Integrated high-side and low-side MOSFETs
  • Programmable soft-start
  • Overcurrent protection
  • Thermal shutdown
  • Adjustable output voltage

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Compact package size

Disadvantages: - Higher cost compared to traditional linear regulators - Requires careful PCB layout for optimal performance

Working Principles

The FDMS86250 is a synchronous buck regulator that efficiently converts a higher input voltage to a lower output voltage using integrated MOSFETs and control circuitry. It operates by controlling the duty cycle of the internal switches to regulate the output voltage.

Detailed Application Field Plans

The FDMS86250 is suitable for various applications including: - Server power supplies - Telecom and networking equipment - Industrial power systems - Automotive power distribution

Detailed and Complete Alternative Models

  1. FDMS86500: Higher current rating
  2. FDMS86800: Lower input voltage range
  3. FDMS86900: Higher switching frequency

This comprehensive entry provides an in-depth understanding of the FDMS86250, covering its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de FDMS86250 en soluciones técnicas

  1. What is FDMS86250?

    • FDMS86250 is a dual N-channel PowerTrench MOSFET designed for use in power management applications.

  2. What are the key features of FDMS86250?

    • The key features of FDMS86250 include low on-resistance, high current capability, and a small form factor package.

  3. What are the typical applications of FDMS86250?

    • Typical applications of FDMS86250 include DC-DC converters, synchronous rectification, and power supplies.

  4. What is the maximum voltage and current rating for FDMS86250?

    • The maximum voltage rating for FDMS86250 is typically around 30V, and the maximum continuous drain current is around 40A.

  5. What is the thermal performance of FDMS86250?

    • FDMS86250 has excellent thermal performance due to its low on-resistance and efficient package design.

  6. Is FDMS86250 suitable for automotive applications?

    • Yes, FDMS86250 is suitable for automotive applications where high efficiency and reliability are required.

  7. Does FDMS86250 require any external components for operation?

    • FDMS86250 may require external components such as gate drivers and passive components depending on the specific application requirements.

  8. Can FDMS86250 be used in parallel to increase current handling capability?

    • Yes, FDMS86250 can be used in parallel to increase current handling capability in high-power applications.

  9. What are the recommended PCB layout guidelines for using FDMS86250?

    • The recommended PCB layout guidelines include minimizing parasitic inductance, providing adequate thermal vias, and optimizing the gate drive circuitry.

  10. Where can I find detailed application notes and reference designs for FDMS86250?

    • Detailed application notes and reference designs for FDMS86250 can be found on the manufacturer's website or through their technical support resources.