Texas Instruments

UCC3895N  

DC DC Switching Controllers

UCC3895N Description

The UCC3895N is a highly versatile DC-DC switching controller designed by Texas Instruments, aimed at providing efficient power conversion solutions for a wide range of applications. This controller features a PWM output type with a positive output configuration, making it suitable for driving various types of power switches. The UCC3895N operates within a supply voltage range of 10V to 16.5V, ensuring compatibility with a broad spectrum of power supply systems. With a switching frequency of 1MHz, it delivers high efficiency and fast transient response, crucial for modern power electronics.

The UCC3895N is housed in a through-hole package, specifically a 20-pin DIP, which is ideal for applications requiring robust mechanical stability and ease of integration into printed circuit boards. This controller is designed to operate within an ambient temperature range of 0°C to 70°C, making it suitable for a variety of environmental conditions. Additionally, it features clock synchronization, which allows for precise control and coordination in multi-phase or multi-module power systems.

UCC3895N Features

The UCC3895N offers several unique features that set it apart from other DC-DC switching controllers in the market:

• Frequency Control and Soft Start: The controller includes advanced frequency control mechanisms and soft start capabilities, which help in minimizing inrush currents and ensuring smooth startup of the power system.
• Synchronization: The clock sync feature enables the UCC3895N to synchronize its switching frequency with external clocks, which is particularly useful in applications requiring multiple controllers to operate in harmony.
• High Efficiency: With a maximum duty cycle of 100%, the UCC3895N can achieve high efficiency in power conversion, making it ideal for applications where energy efficiency is paramount.
• Single Output Phase: The controller is designed with a single output phase, simplifying the design and reducing the complexity of the power conversion system.
• Regulatory Compliance: The UCC3895N is REACH unaffected and RoHS3 compliant, ensuring that it meets the stringent environmental and safety standards required by modern electronics manufacturing.
• Last Time Buy Status: As a product in the last time buy status, the UCC3895N offers a final opportunity for designers and engineers to incorporate this reliable and efficient controller into their systems.

UCC3895N Applications

The UCC3895N is well-suited for a variety of applications due to its robust features and high performance. Some specific use cases include:

• Power Supplies: Ideal for offline power supplies in consumer electronics, where high efficiency and compact design are essential.
• Telecommunications: Suitable for telecom equipment that requires reliable power conversion and synchronization capabilities.
• Industrial Equipment: Applicable in industrial control systems where robustness and high efficiency are critical.
• Medical Devices: Can be used in medical equipment that demands precise power control and compliance with stringent safety standards.

Conclusion of UCC3895N

In summary, the UCC3895N is a high-performance DC-DC switching controller that offers a comprehensive set of features tailored for efficient power conversion. Its ability to operate at a high switching frequency, coupled with advanced control features like frequency control and soft start, makes it an excellent choice for a wide range of applications. The UCC3895N's compliance with environmental and safety regulations further enhances its appeal in the electronics industry. As a product in the last time buy status, it presents a final opportunity for engineers and designers to integrate this reliable and efficient controller into their systems, ensuring continued performance and reliability in their power conversion solutions.

UCC3895N Documents

Download datasheets and manufacturer documentation for UCC3895N

EOL :

Product Discontinuance Notification 2024-04-05 (PDF)       Product Discontinuance Notification (PDF)      

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Process Change notification (PDF)      

Models :

UCC3895N Symbol & Footprint by SnapMagic      

Product Catalogs :

Power Management Guide 2018 (Rev. R)      

Application Notes :

A Power Management Solution for Efficient Multiple Output Applications       UCC2895 Layout and Grounding Recommendations       UCC3895 CD Output Asymmetric Duty Cycle Operation      

Technical Resources :

UCC1895, UCC2895, UCC3895 TINA-TI Average Reference Design       UCC1895, UCC2895, UCC3895 TINA-TI Transient Reference Design      

SPICE Models :

UCCx895 and UCCx7324 Families PSpice Transient Model (Rev. A)       UCC1895, UCC2895, UCC3895 TINA-TI Transient Spice Model       UCC1895, UCC2895, UCC3895 TINA-TI Average Spice Model       UCCx895 Family PSpice Average Model