Texas Instruments

UCC29002DR

The UCC29002DR is a high-voltage, high-power factor, offline PWM controller from Texas Instruments. It is specifically designed for offline power supplies with a wide input voltage range and high efficiency.

Description:

The UCC29002DR is a monolithic integrated circuit that provides all the features required for a high-performance offline power supply. It includes a high-voltage startup circuit, an under-voltage lockout, a power MOSFET driver, and a PWM controller. The device is available in a thermally enhanced SO-8 package.

Features:

1. High-voltage startup circuit: The UCC29002DR features a high-voltage startup circuit that ensures reliable operation even at low input voltages.
2. Under-voltage lockout: The device includes an under-voltage lockout feature that protects the power supply from operating below the minimum input voltage.
3. Power MOSFET driver: The UCC29002DR includes a power MOSFET driver that can drive high-side and low-side MOSFETs with high efficiency.
4. PWM controller: The device features a PWM controller that provides precise control of the power supply's output voltage and current.
5. Thermally enhanced package: The UCC29002DR is available in a thermally enhanced SO-8 package that provides excellent thermal performance and allows for easy thermal management.

Applications:

The UCC29002DR is suitable for a wide range of offline power supply applications, including:

1. AC-DC power supplies
2. Switching power supplies
3. Telecommunications equipment
4. Computer peripherals
5. Industrial control systems

In summary, the UCC29002DR is a versatile and high-performance PWM controller that is well-suited for a wide range of offline power supply applications. Its features, such as a high-voltage startup circuit and under-voltage lockout, make it a reliable choice for power supply designers looking for a high-efficiency solution.