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- UCC2894 - TI
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Manufacturer:TI
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ManyChip's Part#:MC270130290
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Package:TSSOP-16
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Datasheet:Datasheet 3D Model
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Description:the ucc2891/2/3/4 family of pwm controllers is designed to simplify implementation of the various active clamp/reset ...
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Stock Locations:
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Availability:293 pcs In Stock
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MOQ:1 pcs
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Unit Price:$ 0
Updated at 03/05/2026 10:30:15(UTC+8)
Certifications
ManyChip is committed to product quality and safety with ISO 9001, ISO 13485, ISO 45001, UL, RoHS, CQC and REACH certifications.
Description
- The UCC2891/2/3/4 family of PWM controllers is designed to simplify implementation of the various active clamp/reset switching power topologies.
- The UCC289x is a peak current-mode, fixedfrequency, high-performance pulse width modulator. It includes the logic and the drive capability for the auxiliary switch with a simple method of programming the critical delays for proper active clamp operation.
- The UCC2891/3 includes a 110-V start-up regulator for initial start-up and to provide keep-alive power during stand-by.
- Additional features include an internal programmable slope compensation circuit, precise DMAX limit, and a single resistor programmable synchronizable oscillator. An accurate line monitoring function also programs the converter\x92s ON and OFF transitions with regard to the bulk input voltage. Along with the UCC2897, this UCC289x family allows the power supply designer to eliminate many of the external components, reducing the size and complexity of the design.
- Low Output Jitter
- Soft-Stop Shutdown of MAIN and AUX
- Ideal for Active Clamp/Reset Forward, Flyback Converters
- Provides Complementary Auxiliary Driver with Programmable Deadtime (Turn-On Delay) between AUX and MAIN Switches
- Peak Current-Mode Control with Cycle-by-Cycle Current Limiting
- 110-V Input Startup Regulator on UCC2891/3
- TrueDrive™ 2-A Sink, 2-A Source Outputs
- Accurate Line UV and Line OV Threshold
- Programmable Slope Compensation
- 1.0-MHz Synchronizable Oscillator
- Precise Programmable Maximum Duty Cycle
- Programmable Soft Start
- APPLICATIONS
- 150-W to 700-W SMPS
- High-Efficiency, Low EMI/RFI Off-Line or DC/DC Converters
- Server, 48-V Telecom, Datacom
- High Power Adapter, LCD-TV and PDP-TV
UCC2894 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Case/Package | TSSOP-16 |
| Show | |
| Product Lifecycle Status | |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
Order guide
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charges, duties and taxes.
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- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
Contact Us
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