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LNK362DG-TL: High-Efficiency And Low-Power AC-DC Converter Chip

Auth: Date:2025/6/18 Source:WECHIP Visit:15 Related Key Words: AC-DC converter MOSFET adapter power module

I. Model Introduction of LNK362DG-TL

LNK362DG-TL is a high-performance AC-DC converter chip produced by Power Integrations and belongs to the LinkSwitch®-XT series. 

This chip is specifically designed for low-power and high-efficiency offline power supply applications and is widely used in chargers, adapters and small power supply devices.

 

II. Technical Parameters

Input voltage range: 85V to 265VAC, suitable for global universal voltage.

Maximum output power: 2.6W (85-265VAC input), 2.8W (230VAC input).

Switching frequency: 132kHz.

Package type: SO-8C, Surface mount type.

Operating temperature range: -40°C to +150°C.

Internal switch: 700V power MOSFET.

 

III. Main Characteristics

· High integration:

It is equipped with a 700V power MOSFET, reducing the number of external components and simplifying the design.

It integrates multiple protection functions, including current limiting protection, over-temperature protection, short-circuit protection, etc.

· High-performance design:

Supports a wide input voltage range (85V to 265VAC), suitable for global universal voltages.

High switching frequency (132kHz) enhances conversion efficiency and reduces the size of the transformer.

· Low standby power consumption:

It has extremely low power consumption when there is no load, meeting the requirements of global energy efficiency regulations and being suitable for energy-saving applications.

· Fast response and high reliability:

High bandwidth design, fast startup, no overshoot, and good load transient response.

Accurate thermal protection and automatic recovery functions enhance on-site reliability.

 

IV. Application Scenarios

1.Digital products

Chargers and adapters: Chargers and adapters suitable for devices such as mobile phones, tablets,  cordless phones, PDAs, digital cameras, MP3 players, etc. 

Its high efficiency and low standby power consumption characteristics make it an ideal power supply solution.

Small household appliances: Power modules for devices such as smart speakers, electronic scales, and smart sockets, ensuring efficient operation of the equipment at low power consumption.

2. Industrial equipment

Industrial power module: A power module used in industrial automation equipment, providing stable low-power power supply to ensure the reliability and stability of the equipment.

Sensor power supply: It provides a stable power supply for industrial sensors to ensure the accuracy of measurement data and the normal operation of the equipment.

3. Medical equipment

Portable medical devices: Power modules for devices such as blood glucose meters and portable electrocardiogram machines, ensuring efficient operation of the devices at low power consumption and extending battery life.

Power modules for monitoring equipment such as blood pressure monitors and thermometers provide stable power support to ensure the normal operation of the equipment.

4. Communication equipment

Routers and modems: Provide stable power supply for communication devices such as routers and modems to ensure their efficient operation.

 

V. Summary

LNK362DG-TL, with its high efficiency, low power consumption, fast response and simplified circuit design, is widely used in fields such as consumer electronics, home appliances, industrial systems

metering equipment and medical devices. It can provide stable and efficient power supply solutions for various low-power devices, ensuring the reliability and performance of the devices.

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