Texas Instruments

UCC28089D

The UCC28089D is a high-voltage, high-power factor control integrated circuit (IC) developed by Texas Instruments. It is specifically designed for offline power supply applications, such as AC-DC power adapters, battery chargers, and LED drivers.

Description:

The UCC28089D is a monolithic step-up converter that offers a high level of integration and flexibility. It features a proprietary Active Clamp Forward (ACF) topology, which allows for high efficiency and low component count in power supply designs. The device is available in a thermally enhanced 28-pin PowerSSO-28 package.

Features:

1. Active Clamp Forward (ACF) topology for high efficiency and low component count
2. High input voltage range: 85 to 265Vac
3. Wide output voltage range: up to 1000V
4. High power factor (up to 0.95) with a low total harmonic distortion (THD)
5. Programmable output current limit
6. Overload protection and thermal shutdown
7. Soft-start and burst mode operation for improved efficiency at light loads
8. Synchronous rectification for improved efficiency
9. Low standby power consumption (<75mW)
10. High integration level, reducing the number of external components required

Applications:

1. AC-DC power adapters with high output voltage requirements
2. High-power battery chargers
3. LED lighting applications with high output voltage and power requirements
4. Industrial power supplies
5. Medical power supplies
6. Telecom power supplies
7. Renewable energy systems, such as solar panel charge controllers

The UCC28089D is an advanced power control IC that offers high efficiency, high power factor, and a wide range of input and output voltages, making it suitable for a variety of high-voltage power supply applications. Its high integration level and proprietary ACF topology contribute to a compact, cost-effective, and reliable solution for power supply designers.