Power Integrations

LNK3204P  

AC DC Converters, Offline Switches

The Power Integrations LNK3204P is a high-efficiency, synchronous, current-mode, step-down (buck) switching regulator with a built-in power MOSFET. It is designed to provide efficient and reliable power conversion for a wide range of applications.

Description:

The LNK3204P is a compact, high-performance switching regulator that integrates a high-side power MOSFET, a low-side synchronous rectifier, and a high-voltage startup circuit. It operates in a current-mode control scheme, which allows for precise regulation and fast transient response. The device also features a built-in power-saving mode to reduce power consumption during light load conditions.

Features:

1. High efficiency: The LNK3204P offers high efficiency up to 95%, which helps in reducing power dissipation and improving system reliability.
2. Wide input voltage range: The device can operate with input voltages from 4V to 40V, making it suitable for a wide range of applications.
3. Synchronous rectification: The use of a synchronous rectifier on the low-side ensures high efficiency, even at low output voltages.
4. Current-mode control: This control scheme provides precise regulation and fast transient response, making it suitable for applications with tight output voltage requirements.
5. Power-saving mode: The device automatically enters a low-power mode during light load conditions, reducing overall power consumption.
6. Built-in protection features: The LNK3204P includes over-current protection, over-temperature protection, and a cycle-by-cycle current limit to ensure safe and reliable operation.
7. Small form factor: The device is available in a compact 3mm x 3mm QFN package, making it suitable for space-constrained applications.

Applications:

The Power Integrations LNK3204P is suitable for a wide range of applications, including:

1. Portable devices: Powering small form-factor electronics, such as smartphones, tablets, and wearable devices.
2. Industrial control systems: Providing efficient power conversion for industrial control and automation equipment.
3. LED lighting: Driving high-brightness LED arrays in lighting applications, such as flashlights, headlamps, and automotive lighting.
4. Power supplies: Used as a step-down converter in battery-powered devices, such as laptops, power tools, and medical equipment.
5. Telecom equipment: Providing efficient power conversion for telecom infrastructure, such as base stations and routers.

In summary, the Power Integrations LNK3204P is a high-efficiency, synchronous buck converter that offers a wide input voltage range, precise regulation, and built-in protection features. Its compact form factor and power-saving mode make it suitable for a variety of applications, from portable devices to industrial control systems.

LNK3204P Documents

Download datasheets and manufacturer documentation for LNK3204P

PCN Assembly/Origin :

LinkSwitch Site/Design Chgs 19/Aug/2020      

Datasheets :

LNK3202, LNK3204-06      

HTML Datasheet :

LNK3202, LNK3204-06      

PCN Design/Specification :

LNK/TNY/TOP 03/Mar/2022