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LNK3604P
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LNK3604P

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - Low power consumption - High efficiency - Compact size - Wide input voltage range - Over-temperature protection - Short-circuit protection

Package: DIP-8 (Dual In-line Package)

Essence: The LNK3604P is a power management IC designed for low power applications. It provides efficient power conversion and protection features in a compact package.

Packaging/Quantity: The LNK3604P is available in a standard DIP-8 package. Each package contains one IC.

Specifications

  • Input Voltage Range: 85V AC to 265V AC
  • Output Voltage: 5V DC
  • Output Current: Up to 100mA
  • Operating Temperature Range: -40°C to +125°C
  • Efficiency: Up to 80%
  • Standby Power Consumption: Less than 50mW

Pin Configuration

The LNK3604P has the following pin configuration:

  1. VDD - Power supply input
  2. GND - Ground
  3. FB - Feedback pin for output voltage regulation
  4. NC - No connection
  5. VOUT - Output voltage
  6. VCC - Supply voltage for internal control circuitry
  7. BP - Bypass pin for frequency jittering
  8. EN/UVLO - Enable/Undervoltage Lockout

Functional Features

  • Integrated high-voltage power MOSFET
  • Frequency jittering for reduced EMI emissions
  • Auto-restart protection for fault conditions
  • Built-in over-temperature and short-circuit protection
  • Constant current limit for improved reliability

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Compact size for space-constrained applications - Wide input voltage range for versatile use - Over-temperature and short-circuit protection for enhanced safety - Low power consumption for energy efficiency

Disadvantages: - Limited output current capacity (up to 100mA) - Not suitable for high-power applications

Working Principles

The LNK3604P utilizes a flyback topology to convert the input AC voltage to a regulated DC output. It incorporates a high-voltage power MOSFET, which enables efficient power conversion. The frequency jittering feature reduces electromagnetic interference (EMI) emissions. In case of fault conditions, such as over-temperature or short-circuit, the IC provides auto-restart protection.

Detailed Application Field Plans

The LNK3604P is commonly used in low-power applications that require efficient power management. Some typical application fields include:

  1. Home automation systems
  2. LED lighting
  3. IoT devices
  4. Battery chargers
  5. Standby power supplies

Detailed and Complete Alternative Models

  1. LNK3606P - Similar specifications with higher output current capacity (up to 200mA)
  2. LNK3608P - Similar specifications with wider input voltage range (up to 400V AC)
  3. LNK3610P - Similar specifications with additional features like adjustable output voltage

These alternative models provide flexibility and options based on specific application requirements.

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10個與LNK3604P在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of LNK3604P in technical solutions:

  1. Q: What is LNK3604P? A: LNK3604P is a highly integrated, offline switcher IC designed for low-power applications.

  2. Q: What are the key features of LNK3604P? A: LNK3604P features include primary-side regulation, high efficiency, accurate constant voltage (CV) and constant current (CC) control, and comprehensive protection features.

  3. Q: What are the typical applications of LNK3604P? A: LNK3604P is commonly used in LED lighting, smart home devices, industrial controls, and other low-power applications.

  4. Q: How does LNK3604P achieve primary-side regulation? A: LNK3604P uses an innovative control algorithm that eliminates the need for an optocoupler or secondary-side feedback circuitry, reducing component count and cost.

  5. Q: Can LNK3604P operate in a wide input voltage range? A: Yes, LNK3604P can operate in a wide input voltage range, typically from 85VAC to 265VAC.

  6. Q: Does LNK3604P support dimming functionality for LED lighting applications? A: Yes, LNK3604P supports both analog and PWM dimming methods for LED lighting applications.

  7. Q: What is the efficiency of LNK3604P? A: LNK3604P offers high efficiency, typically up to 88%, which helps reduce power dissipation and improve overall system performance.

  8. Q: What protection features does LNK3604P provide? A: LNK3604P includes protection features such as output overvoltage protection (OVP), output short-circuit protection (SCP), and thermal shutdown.

  9. Q: Can LNK3604P be used in battery-powered applications? A: No, LNK3604P is designed for offline applications and requires an AC input voltage.

  10. Q: Are there any reference designs available for LNK3604P? A: Yes, Power Integrations provides reference designs and application notes to help engineers implement LNK3604P in their technical solutions.

Please note that these answers are general and may vary depending on specific design requirements and application scenarios.