NXP USA Inc.
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MC44C402ACR2
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MC44C402ACR2

Product Overview

Category: Integrated Circuit
Use: Power Management
Characteristics: Low power consumption, high efficiency
Package: 16-pin QFN
Essence: Regulates power supply for electronic devices
Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage: Adjustable from 0.6V to 90% of Vin
  • Output Current: Up to 3A
  • Switching Frequency: 1.2MHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN
  2. SW
  3. FB
  4. GND
  5. EN
  6. SS/TRK
  7. COMP
  8. VCC
  9. PGND
  10. AGND
  11. BOOT
  12. LX
  13. SS/TRK
  14. SS/TRK
  15. SS/TRK
  16. SS/TRK

Functional Features

  • Wide input voltage range
  • High efficiency up to 95%
  • Adjustable output voltage
  • Overcurrent and overtemperature protection
  • Soft start and tracking for sequencing

Advantages and Disadvantages

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

Disadvantages: - Higher cost compared to some alternatives - Requires careful PCB layout for optimal performance

Working Principles

The MC44C402ACR2 is a synchronous step-down switching regulator that efficiently converts input voltage to a lower output voltage. It uses a pulse-width modulation (PWM) control scheme to regulate the output voltage while achieving high efficiency.

Detailed Application Field Plans

This integrated circuit is suitable for various applications including: - Industrial automation - Telecommunications equipment - Consumer electronics - Automotive systems - Power over Ethernet (PoE) devices

Detailed and Complete Alternative Models

  1. LM2675
  2. LT1763
  3. TPS54360

In conclusion, the MC44C402ACR2 is a versatile and efficient power management IC suitable for a wide range of electronic devices and systems.

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10个与MC44C402ACR2在技术解决方案中的应用相关的常见问题及解答

  1. What is the MC44C402ACR2?

    • The MC44C402ACR2 is a highly integrated satellite TV tuner and demodulator IC designed for use in digital set-top boxes, integrated digital TVs, and other digital TV receiver applications.

  2. What are the key features of the MC44C402ACR2?

    • The key features of the MC44C402ACR2 include integrated LNA, RF tracking filter, VCO, PLL, IF filter, and demodulator, as well as support for DVB-S/S2 standards.

  3. What are the typical applications of the MC44C402ACR2?

    • Typical applications of the MC44C402ACR2 include satellite TV receivers, digital set-top boxes, integrated digital TVs, and other digital TV receiver solutions.

  4. What are the benefits of using the MC44C402ACR2 in technical solutions?

    • The MC44C402ACR2 offers high integration, low power consumption, excellent RF performance, and support for industry-standard digital TV reception standards, making it an ideal choice for cost-effective and high-performance TV receiver designs.

  5. What are the recommended operating conditions for the MC44C402ACR2?

    • The recommended operating conditions for the MC44C402ACR2 include a supply voltage range of 3.0V to 3.6V, an operating temperature range of -40°C to +85°C, and proper ESD protection measures.

  6. How can the MC44C402ACR2 be integrated into a digital TV receiver design?

    • The MC44C402ACR2 can be integrated into a digital TV receiver design by following the guidelines provided in the datasheet and application notes, including proper PCB layout, RF design considerations, and interfacing with other system components.

  7. What are the key performance specifications of the MC44C402ACR2?

    • Key performance specifications of the MC44C402ACR2 include low noise figure, high linearity, wide input frequency range, and robust demodulation capabilities for digital TV signals.

  8. Are there any specific design considerations when using the MC44C402ACR2 in a satellite TV receiver?

    • When using the MC44C402ACR2 in a satellite TV receiver, it's important to consider proper signal routing, impedance matching, and EMI/EMC compliance to ensure optimal performance and reliability.

  9. Does the MC44C402ACR2 require any external components for operation?

    • Yes, the MC44C402ACR2 requires external components such as crystal oscillators, passive components for filtering and matching, and power management circuitry for proper operation.

  10. Where can I find additional resources and support for designing with the MC44C402ACR2?

    • Additional resources, including datasheets, application notes, and technical support for designing with the MC44C402ACR2, can be found on the manufacturer's website or by contacting their technical support team.