Microsemi Corporation
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MAP4KE220CA
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MAP4KE220CA

Product Overview

Category: Integrated Circuit
Use: Power Management IC
Characteristics: High efficiency, compact design
Package: 16-pin QFN
Essence: Regulates power supply
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Input Voltage: 3V to 36V
  • Output Voltage: 1.2V to 28V
  • Output Current: 4A
  • Switching Frequency: 500kHz
  • Operating Temperature: -40°C to 125°C

Detailed Pin Configuration

  1. VIN (Input voltage)
  2. GND (Ground)
  3. EN (Enable)
  4. FB (Feedback)
  5. COMP (Compensation)
  6. SS (Soft-start)
  7. PGND (Power ground)
  8. SW (Switch node)
  9. BST (Bootstrap)
  10. VCC (Internal supply voltage)
  11. AGND (Analog ground)
  12. ILIM (Current limit)
  13. SS/TRK (Soft-start/Tracking)
  14. VOUT (Output voltage)
  15. VOUT (Output voltage)
  16. VOUT (Output voltage)

Functional Features

  • Wide input voltage range
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start function

Advantages and Disadvantages

Advantages: - High efficiency - Compact design - Wide input voltage range

Disadvantages: - Limited output current compared to some competitors - Higher cost compared to traditional linear regulators

Working Principles

The MAP4KE220CA is a step-down DC-DC converter that regulates the input voltage to a lower, stable output voltage. It uses a high-frequency switching regulator to achieve high efficiency and compact size.

Detailed Application Field Plans

The MAP4KE220CA is suitable for various applications including: - Industrial power supplies - Automotive electronics - Telecommunications equipment - LED lighting systems - Battery-powered devices

Detailed and Complete Alternative Models

  1. MAP4KE230CB
    • Similar specifications with enhanced overcurrent protection
  2. MAP4KE210CA
    • Lower output current but lower cost
  3. MAP4KE240CA
    • Higher output current with slightly larger package size

In conclusion, the MAP4KE220CA is a versatile power management IC with a wide range of applications, offering high efficiency and a compact design. While it has some limitations in terms of output current and cost, it provides reliable performance in various electronic systems.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MAP4KE220CA i tekniska lösningar

Sure, here are 10 common questions and answers related to the application of MAP4KE220CA in technical solutions:

  1. What is the operating temperature range of MAP4KE220CA?

    • The operating temperature range of MAP4KE220CA is typically -55°C to +150°C.

  2. What is the maximum forward voltage drop of MAP4KE220CA?

    • The maximum forward voltage drop of MAP4KE220CA is typically 0.9V at 5A.

  3. Can MAP4KE220CA be used for overvoltage protection in power supplies?

    • Yes, MAP4KE220CA can be used for overvoltage protection in power supplies due to its transient voltage suppression capabilities.

  4. What is the breakdown voltage of MAP4KE220CA?

    • The breakdown voltage of MAP4KE220CA is typically 220V.

  5. Is MAP4KE220CA suitable for surge protection in automotive electronics?

    • Yes, MAP4KE220CA is suitable for surge protection in automotive electronics due to its high surge capability.

  6. What package type is MAP4KE220CA available in?

    • MAP4KE220CA is available in a DO-214AC (SMA) package.

  7. Can MAP4KE220CA be used for ESD protection in communication equipment?

    • Yes, MAP4KE220CA can be used for ESD protection in communication equipment due to its fast response time.

  8. What is the clamping voltage of MAP4KE220CA?

    • The clamping voltage of MAP4KE220CA is typically 341V at 5A.

  9. Is MAP4KE220CA RoHS compliant?

    • Yes, MAP4KE220CA is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  10. Can MAP4KE220CA be used for transient suppression in industrial control systems?

    • Yes, MAP4KE220CA can be used for transient suppression in industrial control systems to protect sensitive components from voltage spikes.

I hope these questions and answers are helpful for your technical solutions involving MAP4KE220CA. Let me know if you need further assistance!