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Onsemi NCP12510 | Demoboard NCP12510B65GEVB
65 W Notebook Off-line Adaptor with NCP12510 Eval Board User Manual
Overview
| Topology | Flyback Converter |
| Input voltage | 90-265 V |
| Switching frequency | 26-65 kHz |
| Output 1 | 19 V / 3.5 A |
Description
The NCP1251 EVAL demo board is a universal input, off-line, 20 wattoutput, constant voltage power supply for powering E-meters or white goodsapplications. The output can be configured easily with a few component changes for12Vout or 5Vout. The switching topology is a discontinuous mode flyback converterutilizing the ON Semi NCP1251D controller with a small surface mount MOSFET. Thespecific default demo board has an output rating of 12 volts at 1.75 amps max. Info formodification and testing for a 5Vout board is below.
Features
Remark: Test-result & BOM are added
- Excellent Standby Power Consumption
- High Efficiency
- High Robustness and High ESD Capabilities
- Wide Input Voltage Range (90 – 265 Vac)
- Low EMI Emissions
- Over−Current Protection
- Over−Temperature Protection
- Over−Voltage Protection
- Over−Power Protection
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 | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | DF(%) | 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) | IR(A) | L(mH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | VRMS(V) | VDC(V) | VBR(V) | IPeak(A) | Wmax(J) | PDiss(W) | VDE Approval | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-VD Disk Varistor, 230 VAC, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-VD Disk Varistor | – | – | – | – | – | – | – | – | – | – | – | Diameter16.5 mm | – | – | – | – | – | – | – | – | – | – | – | Length16.5 mm | Width4.8 mm | Height20.5 mm | MountTHT | AC Operating Voltage320 V | DC Operating Voltage418 V | (Reverse) Breakdown Voltage510 V | (Reverse) Peak Pulse Current6000 A | Energy Absorption190 J | Power Dissipation0.6 W | VDE ApprovalYes | ||||
 | WCAP-FTXX Film Capacitors, Across the mains, 220 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTXX Film Capacitors | Capacitance220 nF | Safety ClassX2 | Rate of Voltage Rise180 V/µs | Dissipation Factor0.1 % | Insulation Resistance30 GΩ | Pitch15 mm | PackagingBulk | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage310 V (AC) | – | – | Length18 mm | Width6 mm | Height11.5 mm | MountBoxed THT | – | – | – | – | – | – | – | ||||
 | WE-SAFB, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-SAFB | – | – | – | – | – | – | – | – | – | – | – | – | Cable Diameter Max.1 mm | Outer Diameter3.5 mm | Inner Diameter1.2 mm | Impedance @ 25 MHz 1 turn30 Ω | Impedance @ 100 MHz 1 turn53 Ω | – | – | – | – | – | Material7 W 850 | Length4 mm | – | Height3.8 mm | – | – | – | – | – | – | – | – | ||||
 | WE-CMB Common Mode Power Line Choke, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMB Common Mode Power Line Choke | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Current1.5 A | Inductance20 mH | DC Resistance270 mΩ | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialMnZn | Length23 mm | Width13.8 mm | Height25.5 mm | MountTHT | – | – | – | – | – | – | VDE Approval40042670 | ||||
 | 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 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Current3 A | Inductance0.03 mH | DC Resistance26 mΩ | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialNiZn | Length16 mm | Width7.5 mm | Height17.5 mm | MountTHT | – | – | – | – | – | – | VDE Approval40042670 | ||||
 | WCAP-ATG5 Aluminum Electrolytic Capacitors, –, 68 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG5 Aluminum Electrolytic Capacitors | Capacitance68 µF | – | – | – | – | Pitch2.5 mm | PackagingAmmopack | Endurance 2000 | Ripple Current130 mA | Leakage Current34 µA | Dissipation Factor10 % | Diameter6.3 mm | – | – | – | – | – | – | – | – | Rated Voltage50 V (AC) | – | – | Length11 mm | – | – | – | – | – | – | – | – | – | – |