STMicroelectronics

UC3845BD1  

DC DC Switching Controllers

UC3845BD1 Description

The UC3845BD1 is a high-performance transistor driver IC designed for power management applications, specifically tailored for boost and flyback topologies. Manufactured by STMicroelectronics, this device is part of the Power Management (PMIC) category and is housed in an 8SO package. It is ideal for applications requiring efficient power conversion and control.

UC3845BD1 Features

• Output Type: Transistor Driver
• Output Configuration: Positive, Isolation Capable
• Frequency - Switching: Up to 500kHz, ensuring high efficiency and performance in demanding applications.
• Voltage - Supply (Vcc/Vdd): Operates within a wide range of 7.6V to 30V, providing flexibility in power supply requirements.
• Control Features: Frequency Control, allowing precise regulation of switching frequency.
• Duty Cycle (Max): 48%, which helps in maintaining optimal power delivery and preventing overloading.
• Output Phases: Single output phase, simplifying design and reducing complexity.
• Number of Outputs: 1, focusing on delivering power efficiently to a single load.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), ensuring robustness in various environmental conditions.
• REACH Status: REACH Unaffected, complying with stringent environmental regulations.
• RoHS Status: ROHS3 Compliant, ensuring environmental sustainability and regulatory compliance.
• ECCN: EAR99, facilitating international trade and compliance with export regulations.
• HTSUS: 8542.39.0001, simplifying customs and import processes.
• Package: Tube, offering reliable and durable packaging for surface mount applications.

UC3845BD1 Applications

The UC3845BD1 is particularly suited for applications that demand high efficiency and reliable power management. Its wide operating voltage range and high switching frequency make it ideal for:

• Boost Converters: Enhancing voltage levels in power supplies, particularly useful in automotive and industrial applications.
• Flyback Converters: Providing isolated power conversion, essential in applications requiring galvanic isolation, such as medical devices and telecommunications.
• Power Supplies: Ensuring stable power delivery in various electronic systems, including consumer electronics, industrial equipment, and renewable energy systems.

Conclusion of UC3845BD1

The UC3845BD1 from STMicroelectronics stands out as a versatile and reliable transistor driver IC for power management applications. Its ability to operate within a wide voltage range, combined with its high switching frequency and frequency control features, makes it an excellent choice for demanding power conversion tasks. The device's compliance with environmental regulations and its robust moisture sensitivity level further enhance its suitability for diverse applications. Whether used in boost or flyback configurations, the UC3845BD1 delivers efficient power management, making it a preferred choice for engineers and designers in the electronics industry.

UC3845BD1 Documents

Download datasheets and manufacturer documentation for UC3845BD1

Datasheets :

UC2842B-45B, UC3842B-45B      

PCN Packaging :

Moisture Barrier Bag 09/May/2016      

Reference Design Library :

STEVAL-IPB001V1: 2W, 24V @ 83mA, 106 ~ 848 VAC      

Other Related Documents :

UC3845B View All Specifications      

HTML Datasheet :

UC2842B-45B, UC3842B-45B