Texas Instruments

UCC28056BDBVR

The UCC28056BDBVR is a high-performance, fixed frequency, current mode, step-down switching regulator controller from Texas Instruments. It is designed to provide efficient and stable power conversion for a wide range of applications.

Description:

The UCC28056BDBVR is a monolithic integrated circuit that provides all the active functions required to implement a step-down switching regulator. It uses a current mode control technique, which offers fast transient response and excellent line and load regulation. The device operates at a fixed switching frequency of 650kHz, which allows for simple external component selection and ease of use.

Features:

1. Fixed 650kHz switching frequency
2. Synchronous rectification for high efficiency
3. Wide input voltage range (4V to 60V)
4. Low quiescent current (130µA)
5. Adjustable output voltage (0.9V to 55V)
6. Internal soft-start and current limit protection
7. Thermal shutdown protection
8. Small package size (DBV package)

Applications:

The UCC28056BDBVR is suitable for a variety of applications that require efficient and stable power conversion, including:

1. Portable electronics, such as smartphones, tablets, and laptops
2. Power supplies for industrial and automotive systems
3. LED lighting applications
4. Battery charging and management systems
5. DC-DC conversion in telecom and networking equipment

In summary, the UCC28056BDBVR from Texas Instruments is a versatile and efficient step-down switching regulator controller that offers a wide input voltage range, adjustable output voltage, and excellent thermal protection. Its fixed switching frequency and current mode control make it an ideal choice for a variety of power conversion applications.