UCC28740D - TI
The pictures are for reference only, and the specific specifications can be found in the product manual.
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Part NoUCC28740D
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ManufacturerTI
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ChipWorker Part#CW10132823
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CategoryPWM Controller IC
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PackageSOIC-7
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DescriptionCurrent Mode PWM Controller 25mA 106kHz 7Pin SOIC Tube
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DocumentationDatasheet
Payment Methods and Delivery
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UCC28740D Global Supplier
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UCC28740D Specifications
| Attribute | Attribute Value |
|---|---|
| Part Number | UCC28740D |
| Manufacturer | TI |
| ChipWorker Part# | CW10132823 |
| Category | PWM Controller IC |
| Documentation | Datasheet |
| Mounting Style | Surface Mount |
| Number of Pins | 7 Pin |
| Case/Package | SOIC-7 |
| Frequency | 100 kHz |
| Supply Voltage (DC) | 9.00V (min) |
| Output Current | 0.025 A |
| Supply Current | 2.65 mA |
| Number of Positions | 7 Position |
| Switching Frequency | 170Hz ~ 100kHz |
| Topology | Flyback |
| Duty Cycle | 99 % |
| Maximum Duty Cycle | 99 % |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage (Max) | 35 V |
| Supply Voltage (Min) | 9 V |
| expand all | |
| Size-Height | 1.5 mm |
| Operating Temperature | -40℃ ~ 125℃ (TJ) |
| 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 |
Product Description
- DESCRIPTION
- The UCC28740 isolated-flyback power-supply controller provides Constant-Voltage (CV) using an optical coupler to improve transient response to large load steps. Constant-Current (CC) regulation is accomplished through Primary-side Regulation (PSR) techniques. This device processes information from opto-coupled feedback and an auxiliary flyback winding for precise high-performance control of
- output voltage and current.
- FEATURES
- • Less than 10-mW No-Load Power Capability
- • Opto-Coupled Feedback for CV, and Primary-Side Regulation (PSR) for CC
- • Enables ±1% Voltage Regulation and ±5% Current Regulation Across Line and Load
- • 700-V Startup Switch
- • 100-kHz Maximum Switching Frequency Enables High-Power-Density Charger Designs
- • Resonant-Ring Valley-Switching Operation for Highest Overall Efficiency
- • Frequency Dithering to Ease EMI Compliance
- • Clamped Gate-Drive Output for MOSFET
- • Overvoltage, Low-Line, and Overcurrent Protection Functions
- • SOIC-7 Package
- APPLICATIONS
- • USB-Compliant Adapters and Chargers for Consumer Electronics
- – Smart Phones
- – Tablet Computers
- – Cameras
- • Standby Supply for TV and Desktop
- • White Goods
Delivery
Chipworker Certification
Ordering Information
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These terms and conditions are for reference only. The actual terms and conditions are subject to the sales staff's quotation.
- Please check the technical specifications of the products when ordering.
- MOQ is the minimum order quantity required to purchase each part.
- If you have special ordering instructions, please indicate them on the order page.
- Pre-Shipment Inspection (PSI) will be used when ordering.
- You can check the status of your order in the “My Order” section of your personal account.
- Orders cannot be canceled after the package has been shipped. View more > -
- Works with both individual and corporate clients. View more >
- All prices on the website include 20% VAT.
- Invoices are issued in the currency specified, but payment is made in Russian rubles at the exchange rate on the day of payment.
- If you need a detailed invoice or a tax identifier, please contact us. -
- Delivery will take between 1 to 2 weeks after the shipment is sent to your country.
- Your order will be processed only after the invoice has been paid.
- The tracking number will be sent to you after the order is shipped. (It may take up to 24 hours for the information to be available from the carrier.) View more > - - Carefully tested and packaged by ChipWorker- Vacuum packed - Anti-static packaging - Anti-vibration foam
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- Income quality control (IQC), 800+ qualified distributors.
- Authorities test the chip to ensure the quality, authenticity and safety of your device.
- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing
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