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Texas Instruments UCC28910DR | Demoboard PMP30044
700V Flyback Switcher with Constant-Voltage Constant-Current and Primary-side Control
Overview
| Topology | Flyback Converter |
| Input voltage | 85-264 V |
| Output 1 | 12 V / 0.35 A |
| IC revision | B |
Description
The UCC28910 and UCC28911 are high-voltage flyback switchers that provide output voltage and current regulation without the use of an optical coupler. Both devices incorporate a 700-V power FET and a controller that process operating information from the flyback auxiliary winding and power FET to provide a precise output voltage and current control. The integrated high-voltage current source for startup that is switched off during device operation, and the controller current consumption is dynamically adjusted with load. Both enable the very low stand-by power consumption.
Features
Constant-Voltage (CV) and Constant-Current (CC) Output Regulation Without Optical-Coupler±5% Output Voltage Regulation Accuracy±5% Output Current Regulation With AC Line and Primary Inductance Tolerance Compensation700-V Start-Up and Smart Power Management Enables <30-mW Standby Power115-kHz Maximum Switching Frequency Design for High-Power DensityValley Switching and Frequency Dithering to Ease EMI ComplianceThermal Shut DownLow Line and Output Over-Voltage Protection
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT,10%(A) | RDC max.(Ω) | fres(MHz) | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TI Radial Leaded Wire Wound Inductor, 1000 µH, 0.29 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | Inductance1000 µH | Rated Current0.29 A | Saturation Current @ 10%0.41 A | DC Resistance6 Ω | Self Resonant Frequency2.7 MHz | VersionHeat Shrinking Tube | ||||
 | 750871035 | Transformer, 2000 µH, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Transformer | Inductance2000 µH | – | – | – | – | – |