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LNK3696G-TL
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LNK3696G-TL

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

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

Package: SOT-23

Essence: LNK3696G-TL is a power management IC designed for efficient power conversion in various electronic devices.

Packaging/Quantity: The LNK3696G-TL is available in tape and reel packaging, with 3000 units per reel.

Specifications

  • Input Voltage Range: 85V to 265V AC
  • Output Voltage: 5V DC
  • Output Current: 1A
  • Efficiency: Up to 85%
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LNK3696G-TL has the following pin configuration:

  1. VDD: Power supply input
  2. GND: Ground reference
  3. FB: Feedback pin for output voltage regulation
  4. EN/UVLO: Enable/Undervoltage lockout control
  5. BP/MODE: Brown-in/Brown-out protection or frequency selection
  6. DRAIN: High-voltage power MOSFET drain connection

Functional Features

  • Primary-side control eliminates the need for an optocoupler
  • Accurate output voltage regulation
  • Built-in over-temperature protection
  • Auto-restart protection feature for fault conditions
  • Frequency jittering for reduced EMI emissions

Advantages

  • High efficiency leads to lower power consumption
  • Compact size allows for space-saving designs
  • Wide input voltage range enables compatibility with different power sources
  • Over-temperature protection ensures safe operation
  • Primary-side control simplifies circuit design and reduces component count

Disadvantages

  • Limited output current may not be suitable for high-power applications
  • Lack of adjustable output voltage limits customization options

Working Principles

The LNK3696G-TL utilizes primary-side control to regulate the output voltage. It integrates a high-voltage power MOSFET, eliminating the need for an optocoupler. The IC operates by adjusting the duty cycle of the power MOSFET based on feedback from the FB pin, ensuring accurate output voltage regulation. It also incorporates over-temperature protection and auto-restart features to enhance system reliability.

Detailed Application Field Plans

The LNK3696G-TL is commonly used in various applications, including:

  1. Power adapters for consumer electronics
  2. LED lighting systems
  3. Industrial automation equipment
  4. Home appliances
  5. Battery chargers

Detailed and Complete Alternative Models

  1. LNK3697G-TL
  2. LNK3698G-TL
  3. LNK3699G-TL

These alternative models offer similar functionality and characteristics to the LNK3696G-TL, providing flexibility in design choices.

In conclusion, the LNK3696G-TL is a power management IC that offers high efficiency, compact size, and wide input voltage range. Its primary-side control and integrated features make it suitable for various applications. While it has limitations in terms of output current and adjustable output voltage, alternative models are available to cater to specific requirements.

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням LNK3696G-TL у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of LNK3696G-TL in technical solutions:

  1. Q: What is LNK3696G-TL? A: LNK3696G-TL is a highly integrated, offline switcher IC designed for low-power applications.

  2. Q: What are the typical applications of LNK3696G-TL? A: LNK3696G-TL is commonly used in applications such as LED lighting, smart home devices, and industrial control systems.

  3. Q: What is the input voltage range supported by LNK3696G-TL? A: LNK3696G-TL supports an input voltage range of 85VAC to 265VAC.

  4. Q: What is the maximum output power that can be achieved with LNK3696G-TL? A: The maximum output power depends on the specific design and operating conditions, but typically it can handle up to 7W.

  5. Q: Does LNK3696G-TL require an external MOSFET? A: No, LNK3696G-TL integrates a high-voltage power MOSFET, eliminating the need for an external one.

  6. Q: Can LNK3696G-TL operate in a wide temperature range? A: Yes, LNK3696G-TL is designed to operate reliably in a temperature range of -40°C to +150°C.

  7. Q: Is LNK3696G-TL suitable for dimmable LED lighting applications? A: Yes, LNK3696G-TL supports both leading-edge and trailing-edge dimming techniques for LED lighting.

  8. Q: Does LNK3696G-TL have built-in protection features? A: Yes, LNK3696G-TL includes various protection features such as over-temperature, output short-circuit, and open-loop protection.

  9. Q: Can LNK3696G-TL be used in offline flyback converter topologies? A: Yes, LNK3696G-TL is specifically designed for use in offline flyback converter applications.

  10. Q: Is LNK3696G-TL compliant with safety standards? A: Yes, LNK3696G-TL is compliant with international safety standards such as UL, CE, and ENEC.

Please note that the answers provided here are general and may vary depending on the specific application and design considerations.