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UCC28701DBVT

Part No UCC28701DBVT
Manufacturer Texas Instruments
Catalog PMIC - AC DC Converters, Offline Switchers
Description IC REG CTRLR FLYBK ISO SOT23-6
Datasheet
Sample
Rohs State rohs
ECAD Module
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Categories Integrated Circuits
Manufacturer Texas Instruments
Packaging Reel - TR
Status Active
Output Isolation Isolated
Topology Flyback
Voltage - Start Up 21V
Supply Voltage - Operating 9 V to 35 V
Frequency - Switching 1kHz to 130kHz
Fault Protection Current Limiting, Over Voltage
Control Operating Temperature -20°C to 125°C (TJ)
Case / Package SOT-23-6
Mounting Surface Mount
Win Source Part Number 1115873-UCC28701DBVT
Popularity Medium
Supply and Demand Status Balance
Ultra Librarian 3D Model Ultra Librarian UCC28701DBVT CAD Model

Description

Overview of Texas Instruments UCC28701DBVT

The Texas Instruments UCC28701DBVT is a highly efficient flyback controller designed for off-line power supplies that require tight voltage and current regulation. This advanced controller is specifically engineered to meet the stringent energy-saving standards of modern power supply applications, making it an ideal choice for consumer electronics, industrial systems, and other power-sensitive devices.

Key Features

  • Primary-Side Regulation (PSR): This feature eliminates the need for an optocoupler and secondary-side feedback components, thereby simplifying the design and reducing overall system cost.
  • Multi-Mode Control: The UCC28701DBVT seamlessly transitions between quasi-resonant and discontinuous conduction modes, optimizing efficiency across a wide range of load conditions.
  • High-Voltage Startup: An integrated high-voltage current source enables the device to start up directly from the rectified mains voltage, reducing standby power consumption.
  • Advanced Protection Features: The device incorporates overvoltage, overload, overtemperature, and output short-circuit protection to ensure the safety and reliability of the power supply.

Applications

The UCC28701DBVT is well-suited for a variety of applications where efficient power conversion and tight regulation are paramount. These applications include:

  • AC-DC wall adapters
  • Power supplies for LED lighting
  • Standby and auxiliary power supplies
  • Smart metering and home automation systems

Technical Specifications

The device comes in a compact SOT-23-6 package and operates over a wide input voltage range. With its advanced control algorithms, the UCC28701DBVT maintains high efficiency and low standby power consumption. The controller's ability to operate at high switching frequencies enables the use of smaller, more cost-effective magnetic components.

Conclusion

The Texas Instruments UCC28701DBVT flyback controller is a cutting-edge solution for designers looking to create compact, energy-efficient power supplies without compromising on performance. Its integration of multiple control modes, protection features, and ease of use make it a versatile and reliable choice for a wide array of power management applications.

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Pricing & Ordering

Quantity Unit Price Ext. Price
45+ $1.2216 $54.9720
100+ $1.0024 $100.2400
155+ $0.9711 $150.5205
215+ $0.9397 $202.0355
280+ $0.9084 $254.3520
370+ $0.8144 $301.3280
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
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Availability: 10,000 pieces
MOQ: 45 pcs
Order Increment : 1 pcs
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