Texas Instruments

UC3854BDWTR

The UC3854BDWTR is a monolithic integrated circuit developed by Texas Instruments, specifically designed for use in off-line power supply applications. This device offers high performance and flexibility, making it suitable for a wide range of applications.

Description:

The UC3854BDWTR is a high-voltage, high-current PWM controller that is designed for use in off-line power supply applications. It features a fixed 50kHz switching frequency and is available in a thermally-enhanced SOIC-8 package. The device is designed to operate with a wide range of input voltages and can handle high output currents.

Features:

1. Fixed 50kHz switching frequency
2. Wide input voltage range
3. High output current capability
4. Thermally-enhanced SOIC-8 package
5. Over-current protection
6. Over-temperature protection
7. Under-voltage lockout
8. Soft-start function
9. Burst mode operation for high efficiency at light loads

Applications:

The UC3854BDWTR is suitable for a wide range of off-line power supply applications, including:

1. Desktop and laptop computer power supplies
2. Telecommunication power supplies
3. Industrial power supplies
4. LED lighting power supplies
5. Medical power supplies
6. TV and monitor power supplies
7. Audio and video power supplies

In summary, the UC3854BDWTR is a versatile and high-performance PWM controller that is well-suited for a wide range of off-line power supply applications. Its fixed switching frequency, wide input voltage range, and high output current capability make it a popular choice for designers looking for a reliable and efficient solution for their power supply needs.