UCC3895DWTRG4

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The UCC3895DWTRG4 is a high performance offline switcher for any AC/DC converter application. This chip is specifically designed for low power, low noise, and low voltage applications. It combines the advantages of a traditional offline switcher with modern high-efficiency switching components and integrated circuits, making it ideal for low vibration, low noise, reliable, and long life power conversions.

The UCC3895DWTRG4 is a single-channel flyback topology controller, built with a full bridge rectifier, an inductor with filter caps, four full-bridge switching FETs, a gate drive transformer, a power management circuit and a high-efficiency power factor correction regulator. This topology is the most cost-effective topology for offline switchers and is designed to provide high power density, efficiency, EMI and cost advantages, while maintaining low voltage dropout, low power dissipation, high system reliability and low noise levels.

The UCC3895DWTRG4 has a wide range of features that make it ideal for offline switchers. These features include a wide input voltage range, adjustable tonality, a start-up over-current protection circuit, thermal protection, and a low profile tape and reel packaging option. For added convenience and safety, an integrated 4 ms start-up delay timer and UVLO (Under Voltage Lock Out) circuit is also included on the UCC3895DWTRG4.

At the heart of the UCC3895DWTRG4 is high performance switching circuitry. This circuit provides low EMI operation, reliable operation over a wide temperature range, and high efficiency operation. The integrated start-up over-current protection circuit features adjustable levels and protects against catastrophic faults during the startup phase. The startup delay timer ensures a gradual startup and ensures that the system is not exposed to high startup currents or unexpected load variations.

The UCC3895DWTRG4 also integrates a low profile tape and reel packaging option, making it ideal for high volume production applications and for applications where space is limited. Its 4-pin SMT and 8-pin DIP packages provide an efficient solution for any board layout, providing maximum board space for other components.

In addition to its features, the UCC3895DWTRG4 is highly reliable and cost-effective. It is manufactured using high-quality process and components, ensuring long-term reliability and exceptional performance. Additionally, it features an adjustable startup frequency and voltage, making it ideal for any cost-conscious application. Furthermore, its wide input voltage range and low noise operation make it suitable for a wide range of applications.

The UCC3895DWTRG4 is a high performance offline switcher designed to provide cost-effective and reliable power conversions in a wide range of AC/DC converter applications. Its broad feature set, low cost, high performance and long-term reliability makes it ideal for any AC/DC converter application.

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