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- UCC28070PW - TI
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Manufacturer:TI
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ManyChip's Part#:MC17535533
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Category:Power Management IC
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Package:TSSOP-20
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Datasheet:Datasheet 3D Model
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Description:TEXAS INSTRUMENTS UCC28070PW PFC Controller IC, 11V to 20V & 9mA Supply, 11V Lockout, 95% Duty Cycle, 0.3MHz, TSSOP-20
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Stock Locations:
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Availability:31 pcs In Stock
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MOQ:1 pcs
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Unit Price:$ 4.09
Updated at 02/11/2025 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 UCC28070PW is a two-phase interleaved current-mode Power Factor Correction (PFC) Controller with extended frequency range that integrates two pulse-width modulators (PWMs) operating 180° out of phase. This interleaved PWM operation generates substantial reduction in the input and output ripple currents, allowing the conducted-EMI filtering to become easier and less expensive. A significantly improved multiplier design provides a shared current reference to two independent current amplifiers that ensures matched average-current-mode control in both PWM outputs while maintaining a stable, low-distortion, sinusoidal input-line current. It contains multiple innovations including current synthesis and quantized voltage feed-forward to promote performance enhancements in PF, efficiency, THD and transient response. Features including frequency dithering, clock synchronization and slew rate enhancement further expand the potential performance enhancements.
- Interleaved average current-mode PWM control with inherent current matching
- Advanced current synthesizer current sensing for superior efficiency
- Highly-linear multiplier output with internal
- Quantized voltage feed-forward correction for near-unity PF
- Programmable maximum duty-cycle clamp
- Programmable frequency dithering rate and magnitude for enhanced EMI reduction
- External-clock synchronization capability
- Enhanced load and line transient response through voltage amplifier output slew-rate correction
- Programmable peak current limiting
- Bias-supply UVLO, overvoltage protection, open-loop detection and PFC-enable monitoring
- External PFC-disable interface
- Open-circuit protection on VSENSE and VINAC pins
- Programmable soft-start
- Green product and no Sb/Br
- Device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
UCC28070PW Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Number of Pins | 20 Pin |
| Case/Package | TSSOP-20 |
| Frequency | 0.3 MHz |
| Supply Voltage (DC) | 11.0V (min) |
| Number of Positions | 20 Position |
| Input Current | 20.0 mA |
| Power Dissipation | 800 mW |
| Switching Frequency | 300 kHz |
| Duty Cycle | 95 % |
| Input Voltage (Max) | 21 V |
| Output Voltage (Max) | 15 V |
| Output Current (Max) | 0.002 A |
| Maximum Duty Cycle | 98 % |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 800 mW |
| Supply Voltage | 11.2V ~ 21V |
| Supply Voltage (Max) | 20 V |
| Supply Voltage (Min) | 11 V |
| Show | |
| Size-Length | 6.5 mm |
| Size-Width | 1.2 mm |
| Size-Height | 1.15 mm |
| Operating Temperature | -40℃ ~ 125℃ |
| Product Lifecycle Status | Active |
| Packaging | Each |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
| REACH SVHC Compliance | No SVHC |
| REACH SVHC Compliance Edition | 2015/06/15 |
| ECCN Code | EAR99 |
Order guide
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charges, duties and taxes.
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- 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
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