Texas Instruments

UCC28C40DR  

DC DC Switching Controllers

The UCC28C40DR is a high-voltage, high-power integrated circuit (IC) developed by Texas Instruments. It is a part of the UCC2800 series of current mode controllers that are designed for offline flyback applications.

Description:

The UCC28C40DR is a monolithic integrated circuit that provides all the active functions required for a current mode flyback converter. It is designed to operate with an input voltage range of 85 to 265Vac and can deliver up to 100 watts of output power. The device is available in a thermally enhanced 24-pin PowerPAK package.

Features:

1. High-voltage operation: The UCC28C40DR can operate with input voltages ranging from 85 to 265Vac, making it suitable for a wide range of applications.
2. High-power output: The device can deliver up to 100 watts of output power, making it suitable for high-power applications.
3. Current mode control: The UCC28C40DR uses current mode control, which provides fast transient response, improved line and load regulation, and easy loop compensation.
4. High-power efficiency: The device is designed for high-power efficiency, with a typical efficiency of up to 85%.
5. Protection features: The UCC28C40DR includes several protection features, such as over-current protection, over-voltage protection, and thermal shutdown.
6. Easy to use: The device is easy to use, with a simple external component count and a flexible design that allows for a wide range of applications.

Applications:

The UCC28C40DR is suitable for a wide range of applications, including:

1. Desktop and laptop adapters: The high-power output and wide input voltage range make the UCC28C40DR suitable for powering desktop and laptop computers.
2. TV and monitor power supplies: The device can be used to power televisions and computer monitors, providing a reliable and efficient power supply.
3. Industrial power supplies: The UCC28C40DR can be used in industrial power supply applications, providing a stable and efficient power source for a variety of industrial equipment.
4. Medical power supplies: The device can be used in medical power supply applications, providing a reliable and efficient power source for medical equipment.

Overall, the UCC28C40DR is a versatile and efficient power supply IC that is suitable for a wide range of high-power applications. Its current mode control, high-power efficiency, and protection features make it a reliable choice for designers looking for a high-performance power supply solution.

UCC28C40DR Documents

Download datasheets and manufacturer documentation for UCC28C40DR

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Qualification of Alternate Material Set for Assembly with Au Wire and Cu as Additional Wire Base Metal Option for Select SOIC and SSOP Package Devices (PDF)       Product Change Notification 2024-08-28 (PDF)       Product Change Notification (PDF)      

Models :

UCC28C40DR Symbol & Footprint by SnapMagic      

Product Catalogs :

Power Management Guide 2018 (Rev. R)      

Application Notes :

UCC38C44 12-V Isolated Bias Supply (Rev. A)       UCC38C42 25-W Forward Converter      

Technical Resources :

UCCx8C40 TINA-TI Steady-State Reference Design       UCCx8C40 TINA-TI Start-Up Reference Design      

SPICE Models :

UCC28C40 PSpice Transient Model       UCCx8C40 TINA-TI Start-Up Spice Model       UCCx8C40 TINA-TI Steady State Spice Model       UCCx8C40 Unencrypted PSpice Transient Model