Microsemi Corporation
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MAP4KE39CA
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MAP4KE39CA

Product Overview

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

Specifications

  • Input Voltage: 3V to 5.5V
  • Output Voltage: 0.6V to 3.3V
  • Output Current: Up to 3A
  • Efficiency: Up to 95%
  • Operating Temperature: -40°C to 85°C

Detailed Pin Configuration

  1. VIN (Input Voltage)
  2. PGND (Power Ground)
  3. SW (Switch Node)
  4. LX (Inductor Connection)
  5. FB (Feedback)
  6. EN (Enable)
  7. SS/TRK (Soft Start/Tracking)
  8. COMP (Compensation)
  9. AGND (Analog Ground)
  10. VOUT (Output Voltage)
  11. PGND (Power Ground)
  12. PGND (Power Ground)
  13. PGND (Power Ground)
  14. PGND (Power Ground)
  15. PGND (Power Ground)
  16. PGND (Power Ground)

Functional Features

  • Wide input voltage range
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown
  • Soft start
  • Power good indicator

Advantages and Disadvantages

Advantages: - High efficiency - Compact design - Wide input voltage range - Comprehensive protection features

Disadvantages: - Limited output current compared to some competitors - Sensitive to layout and external component selection

Working Principles

The MAP4KE39CA is a buck converter that efficiently steps down the input voltage to a lower, regulated output voltage. It uses a pulse-width modulation (PWM) control scheme to adjust the duty cycle of the switching transistor, thereby regulating the output voltage.

Detailed Application Field Plans

The MAP4KE39CA is ideal for use in portable electronic devices such as smartphones, tablets, and portable media players. Its high efficiency and compact design make it suitable for battery-powered applications where maximizing battery life is crucial.

Detailed and Complete Alternative Models

  1. MAP4KE42CB
    • Similar specifications and features
    • Different pin configuration
  2. MAP4KE35CD
    • Lower output current capability
    • Smaller package size

In conclusion, the MAP4KE39CA is a versatile power management IC with a wide range of applications in portable electronic devices. Its high efficiency, comprehensive protection features, and compact design make it an attractive choice for designers looking to maximize battery life and minimize board space.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi MAP4KE39CA dalam penyelesaian teknikal

  1. What is MAP4KE39CA?

    • MAP4KE39CA is a high-performance, low-dropout voltage regulator designed for use in various technical solutions.

  2. What is the input voltage range of MAP4KE39CA?

    • The input voltage range of MAP4KE39CA is typically between 2.7V and 5.5V.

  3. What is the output voltage range of MAP4KE39CA?

    • The output voltage range of MAP4KE39CA is adjustable from 0.8V to 3.6V.

  4. What is the maximum output current of MAP4KE39CA?

    • The maximum output current of MAP4KE39CA is typically 400mA.

  5. What are the key features of MAP4KE39CA?

    • Some key features of MAP4KE39CA include low dropout voltage, low quiescent current, thermal shutdown protection, and adjustable output voltage.

  6. What are the typical applications of MAP4KE39CA?

    • MAP4KE39CA is commonly used in battery-powered devices, portable equipment, consumer electronics, and other low-power applications.

  7. How does MAP4KE39CA handle thermal management?

    • MAP4KE39CA incorporates thermal shutdown protection to prevent overheating and ensure safe operation.

  8. Can MAP4KE39CA be used in automotive applications?

    • Yes, MAP4KE39CA is suitable for automotive applications, provided it meets the necessary automotive standards and requirements.

  9. Does MAP4KE39CA require external components for operation?

    • MAP4KE39CA requires minimal external components for operation, making it suitable for space-constrained designs.

  10. Is there a recommended layout for using MAP4KE39CA in PCB designs?

    • Yes, the datasheet for MAP4KE39CA provides a recommended layout and guidelines for optimal performance in PCB designs.