UCC28742DBVR

Description

The Texas Instruments UCC28742DBVR is a high-efficiency flyback controller designed for non-isolated power supplies. It provides 1% output regulation accuracy, fault-tolerant operation, and sensitive fault detection with automatic shutdown. This versatile controller is suitable for various applications such as LED lighting, consumer electronics, industrial power supplies, and battery chargers. Key features include high-frequency switching, PWM frequency jitter for EMI reduction, advanced overvoltage and overload protection, and a compact footprint. The device offers low standby power consumption, making it an energy-efficient solution. Its precision voltage regulation and current sensing capabilities provide stable output while minimizing electromagnetic interference (EMI). Overall, the UCC28742DBVR is an ideal choice for designers seeking high efficiency, reliability, and energy savings in their power supplies.

Features

According to the product information, the features of the UCC28742DBVR are:

• High-frequency switching for fast regulation
• PWM frequency jitter for EMI reduction
• Sensitive fault detection and automatic shutdown
• Automatic restart after overvoltage or overload recovery
• Fault-tolerant design for increased reliability
• Additionally, it also has other features such as:
• Compact and efficient power delivery solution
• Robust overvoltage and overload protection capabilities
• Precision voltage regulation with fast response time
• Sensitive fault detection and automatic shutdown features
• Fault-tolerant design for increased reliability and dependability

These features make the UCC28742DBVR a versatile controller designed for high-frequency, non-isolated flyback and buck-boost power supplies.

Package

The package type of UCC28742DBVR is SOT23 (6-Pin) - 6-Pin SOT.

Pinout

The UCC28742DBVR has a 6-pin SOT23 package. Here's a concise breakdown of each pin: 1. VCC: Power supply input (5V) 2. GND: Ground 3. COMP: Compensation pin for voltage regulation 4. FB: Feedback pin for output voltage sensing 5. START: Start-up pin for auxiliary start-up circuit 6. EN: Enable pin for controller shutdown These pins provide the necessary connections for controlling and regulating the flyback converter's output voltage.

Manufacturer

The manufacturer of the UCC28742DBVR is Texas Instruments (TI). Texas Instruments is a leading semiconductor company that designs, manufactures, and tests semiconductors and related technologies. They are known for their wide range of products, including analog and embedded processing chips, as well as other electronic components.

Applications

According to the product information, the application areas of the UCC28742DBVR are:

• High-frequency, non-isolated flyback and buck-boost power supplies
• LED lighting
• Consumer electronics
• Industrial power supplies
• Battery chargers

These applications require high efficiency, low standby power consumption, and energy-efficient designs.

Equivalent

According to Texas Instruments' product information, there isn't a direct equivalent product listed for the UCC28742DBVR. However, similar high-efficiency flyback controllers from TI include:

• UCC28051
• UCC28052
• UCC38051
• UCC38052

These products share similar features and applications with the UCC28742DBVR, but may have slightly different specifications or packaging.

Specifications