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Texas Instruments UCC28911D | Demoboard TIDA-00473
10W Bias Supply for Brushless DC Applications with >75% Efficiency at Low Load Reference Design
Overview
| Topology | Flyback Converter |
| Input voltage | 85-270 V |
| Switching frequency | 80 kHz |
| Output 1 | 10.5 V / 0.75 A |
| IC revision | B |
Description
The TIDA-00473 is a reference design of universal input, 10-W high efficiency, low cost power supply with three isolated outputs. This is a Constant-Voltage (CV) and Constant-Current (CC) flyback converter without Optical-Coupler and external MOSFET. The hardware is designed and tested to pass conducted emissions, surge, and EFT testing as per the EN55014 requirements for household appliances. This can be used in applications like cooker hoods and other appliances wherever motor drive along with user interface is involved.
Features
Universal input voltage range to address customer needs across all regionsUp to 700-V Start-Up and Smart Power Management Enables < 30-mW Standby PowerPrimary Side Regulation (PSR) control eliminates the optical-couplerMultiple operating modes and valley switching for optimum efficiency over entire operating rangeValley Switching and Frequency Dithering to Ease EMI ComplianceNo need of external voltage compensation componentsMeets the requirements of Conducted Emissions standard – EN55022 class BMeets the requirements of EFT norm IEC6000-4-4 & Surge norm IEC61000-4-5Small Use PCB form factor (72 x 65 mm)
Typical applications
- Bias Power for Cooker Hood
- Bias Power for Air Conditioning
- Home Appliances
- Power Tools Bias Power Supply
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | L(µH) | IR(A) | ISAT(A) | RDC max.(Ω) | fres(MHz) | Mount | Pins | Type | L(mm) | H(mm) | G(mm) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 470 nm, Blue | Downloads28 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]470 nm | Emitting ColorBlue | Peak Wavelength [typ.]465 nm | Luminous Intensity [typ.]145 mcd | Forward Voltage [typ.]3.2 V | Chip TechnologyInGaN | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | MountSMT | – | – | Length1.6 mm | Height0.7 mm | – | – | Operating Temperature -40 °C up to +85 °C | |||
 | WE-TI HV Radial Leaded Wire Wound Inductor (High Voltage), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | – | – | – | – | – | – | – | Inductance1000 µH | Rated Current0.5 A | Saturation Current0.55 A | DC Resistance2.08 Ω | Self Resonant Frequency1.8 MHz | MountTHT | – | – | Length7.8 mm | Height9.5 mm | – | – | Operating Temperature -40 °C up to +125 °C | |||||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | Rated Current3 A | – | – | – | MountTHT | Pins3 | TypeStraight | Length7.62 mm | – | – | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | 750342999 | Transformer, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Transformer | – | – | – | – | – | – | – | Inductance970 µH | – | – | – | – | MountTHT | – | – | Length20.32 mm | Height16 mm | Pin length3.5 mm | – | Operating Temperature -40 °C up to +125 °C |