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UCC2804D
8.3V~11V SOIC-8 AC-DC Controllers & Regulators ROHS
UCC2804D
8.3V~11V SOIC-8 AC-DC Controllers & Regulators ROHS
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Manufacturer Part # : UCC2804D
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Package/Case: SOIC (D)-8
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Brand: Texas Instruments
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Product Categories : Power Supply Controllers, Monitors
Quality Assurance
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Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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UCC2804D DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The UCC2804D is a high-performance, current-mode PWM controller designed for controlling DC-DC converters. It features a frequency range of up to 1MHz, making it suitable for high-speed applications. The device operates from a wide input voltage range and provides precise control over the output voltage regulation.The UCC2804D includes features such as a programmable soft-start, overcurrent protection, and overvoltage protection to ensure the safe and reliable operation of the power supply. It also offers a dynamic response control function for improved transient response.This controller is housed in a small outline SOIC-8 package, making it suitable for space-constrained applications. The UCC2804D is designed to operate in harsh industrial environments, with a wide temperature range and high reliability.
Key Features
- High-performance switching regulator solution
- Suitable for many applications such as USB, CPU power
- Precision voltage reference and adjustable output
Application
- High-performance PSUs
- Compact DC-to-DC converters
- Reliable power modules
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Topology | Boost, Flyback, Forward | Control mode | Current |
| Duty cycle (max) (%) | 50 | Switching frequency (max) (kHz) | 1000 |
| Features | Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Leading edge blanking, Multi-topology, Soft start | UVLO thresholds on/off (V) | 12.5/8.3 |
| Operating temperature range (°C) | -40 to 125 | Rating | Catalog |
| Gate drive (typ) (A) | 1 | Vin (max) (V) | 12 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is UCC2804D?
The UCC2804D is a high-performance, current-mode PWM (Pulse Width Modulation) controller designed by Texas Instruments. It is commonly used in power supply applications such as offline AC-DC converters, LED drivers, and DC-DC converters.
How Does UCC2804D Work?
The UCC2804D operates as a control IC for regulating the output voltage of a power supply through pulse-width modulation. It provides precise control over the power conversion process by adjusting the duty cycle of the PWM signal based on feedback from the output voltage. This feedback loop helps maintain stable output voltage regulation under various load conditions.
How Many Pins does UCC2804D have and What are the Functions of the Pinout Configuration?
The UCC2804D is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VCC: Voltage supply pin for the IC.
- RT/CT: Timing resistor/capacitor pin for setting oscillator frequency.
- COMP: Compensation pin for loop stability adjustment.
- UVLO: Under Voltage Lock-Out pin for protecting against low supply voltage.
- SD: Shutdown pin for enabling/disabling the device.
- OUT: PWM output pin for driving external power switches.
- FB: Feedback pin for connecting to the output voltage feedback network.
What are the Pros and Cons of UCC2804D?
Pros:
- Efficiency: Enables efficient power supply design with current-mode control.
- Flexibility: Offers adjustable frequency and duty cycle for optimization.
- Protection Features: Includes UVLO and thermal shutdown for system safety.
- Reliability: Provides stable output regulation in various operating conditions.
- Cost-Effective: Suitable for cost-sensitive power supply applications.
Cons:
- External Components: May require additional components for specific system requirements.
- Complexity: Requires understanding of power supply design principles for optimal use.
- Noise Sensitivity: Proper layout and filtering are crucial to minimize noise interference.
Are There Any Equivalents/Alternatives to UCC2804D for Recommendation?
- The SG3525 from STMicroelectronics is a comparable PWM controller with similar features.
- Alternatives to the UCC2804D include the TL494 from Texas Instruments and the IR2153 from Infineon Technologies.
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