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Overview
| Topology | Other Topology |
| Input voltage | 90-265 V |
| Output 1 | 12 V / 20 A |
Description
This evaluation board user’s manual provides basic information about a high efficiency, low no−load power consumption reference design that was tailored to power All−in−One PC or similar type of equipment that accepts 12 VDC on the input. The power supply implements PFC front stage to assure unity power factor and low THD, current mode LLC power stage to enhance transient response and secondary side synchronous rectification to maximize efficiency. This design note provides brief information about controllers’ implementation into design, their interconnections and cooperation. Please use links in literature section to get detail technical information about NCP1618, NCP13992, NCP4306 and NCP431. The NCP1618 is an innovative multimode power factor controller. The controller automatically change operation mode depending on conditions so that the efficiency is optimized over the line and load range. In very light−load conditions, the circuit enters a soft−skip cycle mode. NCP1618 enters Continuous Conduction Mode (CCM) under Heavy−Load Conditions, while Frequency−Clamped Critical Conduction Mode (FCCrM) is used for Medium− and Light−Load Conditions. PFC−OK Output serves as Brown−Out signal for LLC controller as well as communication interface which sends NCP1618 into stand−by mode (using Soft−skip cycles).
Features
- Wide Input Voltage Range
- PFC Controller with Multimode Operation
- High Efficiency/ Low No−load Power Consumption
- No Auxiliary SMPS, Fast Startup
- Near Unity Power Factor
- Low Mains & Overload Protection
- Thermal Protection
- Regulated Output Under any Conditions
- Excellent Load & Line Transient Response
- All Magnetics Available as Standard Parts
- Small Form Factor
- Extremely Low No−load Consumption
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | C | VR(V (AC)) | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | L(mm) | W(mm) | H(mm) | Packaging | Tol. C | Size | Qmin. | DF(%) | Ceramic Type | Fl(mm) | Operating Temperature | Q | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | Ø D(mm) | Ø Cable max.(mm) | Ø OD(mm) | Ø ID(mm) | Z @ 25 MHz 1 turn(Ω) | Z @ 100 MHz 1 turn(Ω) | Material | L(µH) | IR(A) | RDC max.(Ω) | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWR-TBL Series 2365 - 5.08 mm Horiz. Entry w. Rising Cage Clamp, 2, Rising Cage Clamp | Simulation– | Availability – | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Pins2 | PCB/Cable/PanelPCB | ModularityYes | TypeHorizontal | Wire Section 12 to 30 (AWG) 3.31 to 0.0509 (mm²) | – | – | – | – | – | – | Pitch5.08 mm | Length10.16 mm | – | – | PackagingBox | – | – | – | – | – | – | Operating Temperature -30 °C up to +120 °C | – | – | – | – | – | – | – | – | – | – | – | – | Rated Current20 A | – | –Check availability | ||
 | SPECWE-AFB, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-AFB | – | – | – | – | – | – | – | – | – | – | – | – | Length9.5 mm | – | – | – | – | – | – | – | – | – | Operating Temperature -25 °C up to +125 °C | – | – | – | – | – | Cable Diameter Max.4.4 mm | Outer Diameter9.5 mm | Inner Diameter4.75 mm | Impedance @ 25 MHz 1 turn47 Ω | Impedance @ 100 MHz 1 turn68 Ω | Material3 W 800 | – | – | – | –Check availability | |||
 | SPECWCAP-FTX2 Film Capacitors, –, Across the mains PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTX2 Film Capacitors | – | – | – | – | – | Capacitance220 nF | Rated Voltage275 V (AC) | Safety ClassX2 | Rate of Voltage Rise240 V/µs | Dissipation Factor0.1 % | Insulation Resistance30 GΩ | Pitch12.5 mm | Length15 mm | Width7 mm | Height12.5 mm | PackagingBulk | Capacitance±10% | SizePitch: 12.5 mm | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | –Check availability | |||
 | SPECWE-FI Leaded Toroidal Line Choke, –, – | Simulation– | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-FI Leaded Toroidal Line Choke | – | – | – | – | – | – | – | – | – | – | – | – | Length18.5 mm | Width10.5 mm | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | Inductance90 µH | Rated Current4.6 A | DC Resistance0.04 Ω | –Check availability | ||
 | SPECWCAP-ATG8 Aluminum Electrolytic Capacitors, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG8 Aluminum Electrolytic Capacitors | – | – | – | – | – | Capacitance220 µF | Rated Voltage35 V (AC) | – | – | – | – | Pitch3.5 mm | Length11.5 mm | – | – | PackagingAmmopack | Capacitance±20% | – | – | Dissipation Factor12 % | – | – | – | – | Endurance 2000 | Ripple Current385 mA | Leakage Current77 µA | Diameter8 mm | – | – | – | – | – | – | – | – | – | –Check availability | |||
 | SPECWCAP-ATUL Aluminum Electrolytic Capacitors, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATUL Aluminum Electrolytic Capacitors | – | – | – | – | – | Capacitance220 µF | Rated Voltage25 V (AC) | – | – | – | – | Pitch3.5 mm | Length11.5 mm | – | – | PackagingAmmopack | Capacitance±20% | – | – | Dissipation Factor14 % | – | – | – | – | Endurance 7000 | Ripple Current590 mA | Leakage Current55 µA | Diameter8 mm | – | – | – | – | – | – | – | – | – | –Check availability | |||
SPECWCAP-CSGP MLCCs 16 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 16 V(DC) | – | – | – | – | – | Capacitance2.2 µF | Rated Voltage16 V (AC) | – | – | – | Insulation Resistance0.05 GΩ | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | Packaging7" Tape & Reel | Capacitance±20% | Size0603 | Q-Factor [1]600 | Dissipation Factor10 % | Ceramic TypeX5R Class II | Pad Dimension0.4 mm | Operating Temperature -55 °C up to +85 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | –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 pF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance10 GΩ | – | Length2 mm | Width1.25 mm | Height0.6 mm | Packaging7" Tape & Reel | Capacitance±5% | Size0805 | – | – | Ceramic TypeNP0 Class I | Pad Dimension0.5 mm | Operating Temperature -55 °C up to +125 °C | Q-Factor700 | – | – | – | – | – | – | – | – | – | – | – | – | – | –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) | – | – | – | – | – | Capacitance220 pF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance10 GΩ | – | Length2 mm | Width1.25 mm | Height0.6 mm | Packaging7" Tape & Reel | Capacitance±5% | Size0805 | – | – | Ceramic TypeNP0 Class I | Pad Dimension0.5 mm | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 | – | – | – | – | – | – | – | – | – | – | – | – | – | –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) | – | – | – | – | – | Capacitance470 pF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance10 GΩ | – | Length2 mm | Width1.25 mm | Height0.8 mm | Packaging7" Tape & Reel | Capacitance±5% | Size0805 | – | – | Ceramic TypeNP0 Class I | Pad Dimension0.5 mm | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 | – | – | – | – | – | – | – | – | – | – | – | – | – | –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) | – | – | – | – | – | Capacitance2.2 nF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance10 GΩ | – | Length2 mm | Width1.25 mm | Height0.8 mm | Packaging7" Tape & Reel | Capacitance±5% | Size0805 | – | – | Ceramic TypeNP0 Class I | Pad Dimension0.5 mm | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 | – | – | – | – | – | – | – | – | – | – | – | – | – | –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) | – | – | – | – | – | Capacitance4.7 nF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance10 GΩ | – | Length2 mm | Width1.25 mm | Height1.25 mm | Packaging7" Tape & Reel | Capacitance±5% | Size0805 | – | – | Ceramic TypeNP0 Class I | Pad Dimension0.5 mm | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 | – | – | – | – | – | – | – | – | – | – | – | – | – | –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) | – | – | – | – | – | Capacitance10 nF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance10 GΩ | – | Length2 mm | Width1.25 mm | Height0.8 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Q-Factor [1]600 | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | –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) | – | – | – | – | – | Capacitance68 nF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance7.4 GΩ | – | Length2 mm | Width1.25 mm | Height0.8 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Q-Factor [1]600 | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | –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) | – | – | – | – | – | Capacitance100 nF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance5 GΩ | – | Length2 mm | Width1.25 mm | Height0.8 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Q-Factor [1]600 | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | –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) | – | – | – | – | – | Capacitance1 µF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance0.1 GΩ | – | Length2 mm | Width1.25 mm | Height1.25 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Q-Factor [1]600 | Dissipation Factor10 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | –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) | – | – | – | – | – | Capacitance100 nF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance5 GΩ | – | Length3.2 mm | Width1.6 mm | Height0.8 mm | Packaging7" Tape & Reel | Capacitance±10% | Size1206 | Q-Factor [1]600 | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.6 mm | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
750370249 | SPECPower Inductor, –, – | Simulation– | Availability – | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Power Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | –Check availability | |
 | SPECWCAP-CSMH Mid and High Voltage, –, – | Availability – | Downloads8 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSMH Mid and High Voltage | – | – | – | – | – | Capacitance2.2 nF | Rated Voltage250 V (AC) | – | – | – | Insulation Resistance10 GΩ | – | Length2 mm | Width1.25 mm | Height1.25 mm | Packaging7" Tape & Reel | Capacitance±5% | Size0805 | Q-Factor [1]1000 | – | Ceramic TypeNP0 Class I | Pad Dimension0.5 mm | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 | – | – | – | – | – | – | – | – | – | – | – | – | – | –Check availability | ||
| SPECWCAP-CSMH Mid and High Voltage, –, – | Availability – | Downloads8 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSMH Mid and High Voltage | – | – | – | – | – | Capacitance22 nF | Rated Voltage200 V (AC) | – | – | – | Insulation Resistance4.545 GΩ | – | Length2 mm | Width1.25 mm | Height1.25 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | – | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | Operating Temperature -55 °C up to +125 °C | Q-Factor600 | – | – | – | – | – | – | – | – | – | – | – | – | – | –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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