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- UCC28950PW - TI
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Manufacturer:TI
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ManyChip's Part#:MC6170844
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Category:Voltage Regulator
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Package:TSSOP-24
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Datasheet:Datasheet 3D Model
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Description:Soft Sw PWM Cntrlr 1Out Phase Shifted Full Bridge Controller 12V 1MHz 24Pin TSSOP T/R
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Stock Locations:
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Availability:243 pcs In Stock
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MOQ:1 pcs
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Unit Price:$ 4.34
Updated at 17/06/2025 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 UCC28950PW is a Green Phase-shifted Full-bridge Controller with synchronous rectification. It implements advanced control of the full-bridge along with active control of the synchronous rectifier output stage. The primary-side signals allow programmable delays to ensure ZVS operation over wide-load current and input voltage range, while the load current naturally tunes the secondary-side synchronous rectifiers switching delays, maximizing overall system efficiency. The UCC28950 also offers multiple light-load management features including burst mode and dynamic SR on/off control when transitioning in and out of Discontinuous Current Mode (DCM) operation, ensuring ZVS operation is extended down to much lighter loads. This includes support for peak current along with voltage mode control, programmable switching frequency up to 1MHz and a wide set of protection features including cycle-by-cycle current limit, UVLO and thermal shutdown.
- Enhanced wide range resonant zero voltage switching (ZVS) capability
- Direct synchronous rectifier (SR) control
- Light-load efficiency management
- Average or peak current mode control with programmable slope compensation and voltage mode control
- Naturally Handles pre-biased start up with DCM mode
- Closed loop soft start and enable function
- Programmable Switching frequency up to 1MHz with bi-directional synchronization
- (±3%) Cycle-by-cycle current limit protection with hiccup mode support
- 150µA Start-up current
- VDD under-voltage lockout
- Green product and no Sb/Br
- ESD sensitive device, take proper precaution while handling the device.
UCC28950PW Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Number of Pins | 24 Pin |
| Case/Package | TSSOP-24 |
| Frequency | 1 MHz |
| Supply Voltage (DC) | 8.00V (min) |
| Number of Outputs | 1 Output |
| Input Voltage (DC) | 3.60 V |
| Output Voltage | 5 V |
| Output Current | 20 mA |
| Number of Positions | 24 Position |
| Number of Regulated Outputs | 4 Output |
| Rise Time | 9 ns |
| Output Power | 1.12 W |
| Switching Frequency | 1000 kHz |
| Topology | Full-Bridge |
| Duty Cycle | 97 % |
| Maximum Duty Cycle | 0.95 |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage | 8V ~ 17V |
| Supply Voltage (Max) | 17 V |
| Supply Voltage (Min) | 8 V |
| Input Voltage | 3.6 V |
| Show | |
| Size-Length | 7.9 mm |
| Size-Width | 4.5 mm |
| Size-Height | 1.05 mm |
| Operating Temperature | -40℃ ~ 125℃ |
| Product Lifecycle Status | Active |
| Packaging | Tube |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
| REACH SVHC Compliance | No SVHC |
| REACH SVHC Compliance Edition | 2015/06/15 |
| ECCN Code | EAR99 |
| HK STC License | NLR |
Order guide
-
TT in advance (bank transfer), Western Union, Credit card,
PayPal. Customer is responsible for shipping fee, bank
charges, duties and taxes.
-
- You can choose whether shipping charges will be charged through your shipping account or by us.
- 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
If you have any problem,please email to sales@manychip.com, we will response as soon as possisble.
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