onsemi

UC2845N

UC2845N Description

The UC2845N is a transistor driver IC designed for power management applications, specifically tailored for boost and flyback topologies. Manufactured by onsemi, this IC is part of the Power Management (PMIC) category and is housed in an 8-pin DIP package. The UC2845N is notable for its ability to operate within a wide supply voltage range of 7.6V to 30V and supports switching frequencies up to 500kHz. Despite being marked as obsolete, the UC2845N remains a reliable choice for applications requiring robust power control and regulation.

UC2845N Features

• Output Type: Transistor Driver
• Output Configuration: Positive, Isolation Capable
• Frequency - Switching: Up to 500kHz
• Voltage - Supply (Vcc/Vdd): 7.6V to 30V
• Control Features: Frequency Control
• Duty Cycle (Max): 48%
• Output Phases: 1
• Number of Outputs: 1
• Synchronous Rectifier: No
• Clock Sync: No
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Package: Tube
• Base Product Number: UC2845
• REACH Status: REACH Unaffected
• ECCN: EAR99
• HTSUS: 8542.31.0001
• Mounting Type: Through Hole

The UC2845N stands out due to its wide operating voltage range and high switching frequency, making it suitable for applications requiring efficient power conversion. Its positive output configuration and isolation capability offer enhanced flexibility and safety in various power management scenarios.

UC2845N Applications

The UC2845N is ideal for applications that require efficient power conversion and control, particularly in boost and flyback topologies. Its ability to operate within a wide voltage range and support high switching frequencies makes it suitable for:

• Power Supplies: Efficient power conversion in various power supply designs.
• DC-DC Converters: High-frequency operation ensures minimal power loss and efficient energy transfer.
• Battery Chargers: Reliable power management for charging applications.
• Telecommunications: Stable power regulation in communication equipment.
• Industrial Equipment: Robust power control in industrial settings.

Conclusion of UC2845N

The UC2845N, despite being marked as obsolete, continues to offer significant value in power management applications. Its wide operating voltage range, high switching frequency, and robust control features make it a reliable choice for various power conversion needs. The UC2845N is particularly well-suited for boost and flyback topologies, ensuring efficient power delivery and regulation. Its through-hole mounting type and tube packaging further enhance its versatility and ease of integration into existing systems. For applications requiring high-frequency operation and efficient power management, the UC2845N remains a viable and effective solution.