Texas Instruments

UCC39002DR

The UCC39002DR is a high-voltage, high-power factor, offline PWM controller from Texas Instruments. It is specifically designed for offline power supply applications, such as AC-DC power adapters, battery chargers, and LED drivers.

Description:

The UCC39002DR is a monolithic PWM controller that integrates all the necessary features for offline power supply applications. It is available in a small-outline integrated circuit (SOIC) package, which makes it suitable for compact and cost-effective designs.

Features:

1. High-voltage operation: The UCC39002DR can operate with input voltages up to 750V, making it suitable for a wide range of applications.
2. High-power factor: The controller uses a proprietary power factor correction (PFC) technique to achieve high power factor and low total harmonic distortion (THD).
3. High efficiency: The UCC39002DR offers high efficiency, which helps reduce power losses and improve the overall performance of the power supply.
4. Easy to use: The controller has a simple and easy-to-use design, which makes it suitable for both experienced and novice designers.
5. Protection features: The UCC39002DR includes various protection features, such as over-voltage protection (OVP), over-current protection (OCP), and over-temperature protection (OTP), to ensure the reliability and safety of the power supply.

Applications:

The UCC39002DR is suitable for a wide range of offline power supply applications, including:

1. AC-DC power adapters: The controller can be used to design compact and efficient power adapters for various electronic devices, such as smartphones, laptops, and tablets.
2. Battery chargers: The UCC39002DR can be used to design high-efficiency battery chargers for applications like electric vehicles, power tools, and portable devices.
3. LED drivers: The controller can be used to design high-efficiency LED drivers for applications like street lighting, indoor lighting, and automotive lighting.
4. Telecom power supplies: The UCC39002DR can be used to design power supplies for telecommunications equipment, such as base stations and routers.

In summary, the UCC39002DR is a versatile and efficient PWM controller from Texas Instruments that is suitable for a wide range of offline power supply applications. Its high-voltage operation, high-power factor, and high efficiency make it an ideal choice for designers looking to create compact and efficient power supplies.