STMicroelectronics

UC2845BD1  

DC DC Switching Controllers

UC2845BD1 Description

The UC2845BD1 is a high-performance transistor driver designed for power management applications, specifically tailored for boost and flyback topologies. Manufactured by STMicroelectronics, this IC is part of the Power Management (PMIC) category and is housed in a surface-mount package, making it ideal for compact and efficient designs. The UC2845BD1 operates within a supply voltage range of 7.6V to 30V and is capable of switching frequencies up to 500kHz, ensuring high efficiency and flexibility in various power conversion applications. The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. With a moisture sensitivity level (MSL) of 1, the UC2845BD1 is suitable for a wide range of manufacturing processes without the need for special handling.

UC2845BD1 Features

• Output Type: Transistor Driver
• Output Configuration: Positive, Isolation Capable
• Frequency - Switching: Up to 500kHz
• Voltage - Supply (Vcc/Vdd): 7.6V ~ 30V
• Control Features: Frequency Control
• Duty Cycle (Max): 48%
• Output Phases: 1
• Number of Outputs: 1
• Synchronous Rectifier: No
• Clock Sync: No
• Package: Tube
• Base Product Number: UC2845

The UC2845BD1 stands out due to its robust design and versatile capabilities. Its ability to operate within a wide supply voltage range and handle high switching frequencies makes it suitable for demanding applications. The device’s positive output configuration and isolation capability enhance its versatility, allowing it to be used in a variety of power management scenarios. The inclusion of frequency control as a control feature further enhances its adaptability, ensuring optimal performance across different operating conditions.

UC2845BD1 Applications

The UC2845BD1 is ideal for applications requiring efficient power conversion and control. Its suitability for boost and flyback topologies makes it a perfect fit for:

• DC-DC Converters: The UC2845BD1’s wide input voltage range and high switching frequency capability make it ideal for DC-DC converters, ensuring efficient power conversion and minimal energy loss.
• Switching Power Supplies: The device’s robust design and high efficiency are well-suited for switching power supplies, providing reliable performance in various electronic systems.
• Adaptive Voltage Control Systems: The frequency control feature allows for adaptive voltage control, making the UC2845BD1 suitable for systems requiring dynamic voltage adjustments.

Conclusion of UC2845BD1

The UC2845BD1 from STMicroelectronics is a versatile and efficient transistor driver designed for power management applications. Its wide supply voltage range, high switching frequency capability, and robust design make it an excellent choice for boost and flyback topologies. The device’s compliance with REACH and RoHS3 standards ensures it meets the highest environmental and safety requirements. With its unique features and adaptability, the UC2845BD1 offers significant advantages over similar models, making it a reliable and efficient solution for a variety of power management needs.

UC2845BD1 Documents

Download datasheets and manufacturer documentation for UC2845BD1

Datasheets :

UC2842B-45B, UC3842B-45B      

Other Related Documents :

UC2845B View All Specifications      

HTML Datasheet :

UC2842B-45B, UC3842B-45B