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Overview
| Topology | LLC Resonant Converter |
| Input voltage | 9 V |
| Output 1 | 9 V / 0.05 A |
| Output 2 | 9 V / 0.05 A |
| Output 3 | 9 V / 0.05 A |
| IC revision | B |
Description
This reference design features an LLC converter controlled by the UCC25800-Q1 (open-loop LLC transformer driver for isolated bias supplies),operating with 9 V, generating three output voltages of 9.0 V with a maximum load current of 50 mA each. An air core transformer was used to avoid the core saturation in the presence of a strong external magnetic field.
Features
- Supplies three isolated outputs, each 9 V, 50 mA from single 9-V source
- Coreless transformer cannot saturate because of external static magnetic field
- Low input-output inter-winding capacitance thanks to resonant topology
- Open loop converter: no feedback compensation
- Possibility to use coreless transformer or printed windings on the PCB
Typical applications
- Electricity meter
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWR-TBL Series 2141 - 3.50 mm Horiz. Entry Modular, 2, Rising Cage Clamp | Simulation– | Availability – | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 2141 - 3.50 mm Horiz. Entry Modular | Pins2 | PCB/Cable/PanelPCB | ModularityYes | TypeHorizontal | Wire Section 24 to 16 (AWG) 0.2 to 1 (mm²) | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | – | Length7.05 mm | – | – | – | PackagingBox | –Check availability | |
SPECWCAP-CSGP MLCCs 25 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | Capacitance1 µF | Capacitance±10% | Rated Voltage25 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor10 % | Insulation Resistance0.5 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | –Check availability | ||||
SPECWCAP-CSGP MLCCs 50 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | Capacitance15 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | –Check availability | ||||
SPECWCAP-CSGP MLCCs 25 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | Capacitance2.2 µF | Capacitance±10% | Rated Voltage25 V (DC) | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor10 % | Insulation Resistance0.05 GΩ | Ceramic TypeX7R Class II | Length2 mm | Width1.25 mm | Height1.25 mm | Pad Dimension0.5 mm | Packaging7" Tape & Reel | –Check availability | ||||
SPECWCAP-CSGP MLCCs 25 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | Capacitance10 µF | Capacitance±10% | Rated Voltage25 V (DC) | Size1206 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor10 % | Insulation Resistance0.01 GΩ | Ceramic TypeX7R Class II | Length3.2 mm | Width1.6 mm | Height1.6 mm | Pad Dimension0.5 mm | Packaging7" Tape & Reel | –Check availability | ||||
SPECWCAP-CSGP MLCCs 25 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | Capacitance10 µF | Capacitance±10% | Rated Voltage25 V (DC) | Size1210 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor5 % | Insulation Resistance0.01 GΩ | Ceramic TypeX7R Class II | Length3.2 mm | Width2.5 mm | Height2 mm | Pad Dimension0.3 mm | Packaging7" Tape & Reel | –Check availability |
Availability Forecast
WE item number Packaging unitsLead time
––– weeks
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |
There is no forecast for this quantity request.
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