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Infineon Technologies ICL8810 | Demoboard REF_ICL8810_LED_42W_PSR
42 W PFC-PSR-flyback reference design with ICL8810
Overview
| Topology | Flyback Converter |
| Input voltage | 100-264 V |
| Switching frequency | 52 kHz |
| Output 1 | 54 V / 0.75 A |
| IC revision | 1.1 |
Description
Constant voltage primary-side regulated (PSR) topology is becoming more popular because of the lower cost compared with secondary-side regulated (SSR) topology. Components such as an optocoupler, a voltage reference and an error amplifier are no longer needed. It has excellent accuracy of ±3.5 percent in the range of 100 to 10 percent of the output power. Constant voltage PSR topology is the best solution for on/off LED drivers or LED drivers with minimum dimming levels down to 5 percent.
Features
- Optimized as secondary-side-regulated (SSR) constant voltage (CV) output flyback controller, also well suited for PSR
- Power factor (PF) > 0.9 and THD < 10% across a wide load range (AC input up to 277Vrms)
- Integrated burst mode enables a very low stand-by power < 100mW
- Critical conduction mode and quasi-resonant mode with smart valley hopping
- External start-up circuit control signal
- Comprehensive set of protections (OVP, OCP, etc.)
Typical applications
- monitor up to 125W
- LED lighting, Smart lighting
- flat TV, all-in-one PC
- Adapter & charger, LED driver and luminaires up to 125W.
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | C | VR(V (AC)) | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | L(mm) | W(mm) | H(mm) | Packaging | L(µH) | IR(A) | ISAT,10%(A) | RDC max.(Ω) | fres(MHz) | Version | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | DF(%) | Ø D(mm) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-TBL Series 313 - 5.08 mm Close Horizontal PCB Header, 4, Pluggable | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 313 - 5.08 mm Close Horizontal PCB Header | Pins4 | PCB/Cable/PanelPCB | ModularityNo | TypeHorizontal | – | – | – | – | – | – | Pitch5.08 mm | Length22.32 mm | – | – | PackagingBox | – | Rated Current20 A | – | – | – | – | – | – | – | – | – | |||
 | WCAP-FTXX Film Capacitors, –, Across the mains | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTXX Film Capacitors | – | – | – | – | Capacitance100 nF | Rated Voltage310 V (AC) | Safety ClassX2 | Rate of Voltage Rise300 V/µs | Dissipation Factor0.1 % | Insulation Resistance30 GΩ | Pitch10 mm | Length13 mm | Width7 mm | Height13 mm | PackagingCarton | – | – | – | – | – | – | – | – | – | – | – | ||||
| WCAP-FTXX Film Capacitors, –, Across the mains | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTXX Film Capacitors | – | – | – | – | Capacitance150 nF | Rated Voltage310 V (AC) | Safety ClassX2 | Rate of Voltage Rise300 V/µs | Dissipation Factor0.1 % | Insulation Resistance30 GΩ | Pitch10 mm | Length13 mm | Width7 mm | Height12 mm | PackagingCarton | – | – | – | – | – | – | – | – | – | – | – | ||||
 | WE-TI Radial Leaded Wire Wound Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | – | – | – | – | – | – | – | – | – | – | – | Length10.5 mm | Width10.5 mm | Height14.5 mm | – | Inductance470 µH | Rated Current1.15 A | Saturation Current @ 10%1.3 A | DC Resistance0.52 Ω | Self Resonant Frequency1.8 MHz | VersionStandard | – | – | – | – | – | ||||
 | WCAP-ATG5 Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG5 Aluminum Electrolytic Capacitors | – | – | – | – | Capacitance10 µF | Rated Voltage25 V (AC) | – | – | – | – | Pitch2 mm | Length11 mm | – | – | PackagingAmmopack | – | – | – | – | – | – | Endurance 2000 | Ripple Current38 mA | Leakage Current3 µA | Dissipation Factor14 % | Diameter5 mm | ||||
| WCAP-ATG5 Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG5 Aluminum Electrolytic Capacitors | – | – | – | – | Capacitance47 µF | Rated Voltage25 V (AC) | – | – | – | – | Pitch2 mm | Length11 mm | – | – | PackagingAmmopack | – | – | – | – | – | – | Endurance 2000 | Ripple Current105 mA | Leakage Current11.75 µA | Dissipation Factor14 % | Diameter5 mm |