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Overview
| Topology | Flyback Converter |
| Input voltage | 90-305 V |
| Output 1 | 240 V / 1 A |
| IC revision | 1 |
Description
This design used ON’s PFC controller NCL2801CDA and BUCK controller NCL30076, with a high PF and low THD performance. The NCL30076 is DC-DC buck controller for wide analog dimming range down to 1%. ON Semiconductor’s proprietary LED current calculation technique driven by zero input offset amplifiers performs precise constant current in the whole analog dimming range. PWM dimming is also provided to keep the constant LED color temperature.There is also a Auxiliary power supply board using ON’s NCP10671,which can be used to supply the Vcc power for NCL30076, NCL2801 and the Dimming circuit.
Features
- Wide analog dimming range: 1-100%
- Precise CC regulation: ±2% at 100% load
- QR operation at full load
- Low STBY current
- Protections:
- Short LED protection
- Over current protection
- Thermal shutdown
- High PF and low THD
Typical applications
- Flat TV
- Lighting Ballasts (LED, Fluorescent)
- PC Power Supplies
- All Off Line Appliances Requiring Power Factor Correction Several product configurations coded with three letters (L1,L2, L3) marked on the package will be available.
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | Packaging | Tol. C | Size | DF(%) | Ceramic Type | Fl(mm) | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | Ø D(mm) | Pins | Type | G(mm) | Working Voltage(V (AC)) | Operating Temperature | IR(A) | L(µH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WCAP-FTXX Film Capacitors, Across the mains, 470 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTXX Film Capacitors | Capacitance470 nF | Safety ClassX2 | Rate of Voltage Rise220 V/µs | Dissipation Factor0.1 % | Insulation Resistance21.28 GΩ | Pitch15 mm | PackagingCarton | Capacitance±10% | SizePitch 15 mm | – | – | – | – | – | – | – | – | – | Pin length4 mm | – | Operating Temperature -40 °C up to +105 °C | – | – | – | Rated Voltage310 V (AC) | – | – | Length18 mm | Width8 mm | Height14 mm | MountBoxed THT | ||||
 | WE-CMB NiZn Common Mode Power Line Choke, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMB NiZn Common Mode Power Line Choke | – | – | – | – | – | – | – | – | SizeXS | – | – | – | – | – | – | – | Pins4 | – | Pin length2.5 mm | – | Operating Temperature -40 °C up to +125 °C | Rated Current4 A | Inductance14 µH | DC Resistance15 mΩ | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialNiZn | Length16 mm | Width7.5 mm | Height17.5 mm | MountTHT | ||||
 | WE-FI Leaded Toroidal Line Choke, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-FI Leaded Toroidal Line Choke | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Pin length15 mm | – | Operating Temperature -40 °C up to +105 °C | Rated Current4.6 A | Inductance90 µH | DC Resistance40 mΩ | – | – | – | Length18.5 mm | Width10.5 mm | – | MountTHT | |||
 | WCAP-ATG8 Aluminum Electrolytic Capacitors, –, 10 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG8 Aluminum Electrolytic Capacitors | Capacitance10 µF | – | – | – | – | Pitch2 mm | PackagingAmmopack | – | – | Dissipation Factor10 % | – | – | Endurance 2000 | Ripple Current72 mA | Leakage Current5 µA | Diameter5 mm | – | – | – | – | – | – | – | – | Rated Voltage50 V (AC) | – | – | Length11 mm | – | – | – | ||||
| WCAP-ATG8 Aluminum Electrolytic Capacitors, –, 47 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG8 Aluminum Electrolytic Capacitors | Capacitance47 µF | – | – | – | – | Pitch2.5 mm | PackagingAmmopack | Capacitance±20% | – | Dissipation Factor10 % | – | – | Endurance 2000 | Ripple Current165 mA | Leakage Current23.5 µA | Diameter6.3 mm | – | – | – | – | – | – | – | – | Rated Voltage50 V (AC) | – | – | Length11 mm | – | – | – | ||||
 | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | Insulation Resistance1000 MΩ | Pitch2.54 mm | PackagingBag | – | – | – | – | – | – | – | – | – | Pins10 | TypeAngled | – | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | Rated Current3 A | – | – | – | – | – | Length25.4 mm | – | – | MountTHT | |||
 | WCAP-CSMH Mid and High Voltage, –, 1 nF | Downloads8 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSMH Mid and High Voltage | Capacitance1 nF | – | – | – | Insulation Resistance10 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size1206 | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.6 mm | – | – | – | – | – | – | – | – | Operating Temperature -55 °C up to +125 °C | – | – | – | Rated Voltage1000 V (AC) | – | – | Length3.2 mm | Width1.6 mm | Height1.25 mm | – | |||
750344849 | Inductor, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
750344848 | PFC Inductor, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series PFC Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
750344847 | Offline Transformer, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Offline Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |