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Overview
| Topology | Power Factor Correction |
| Input voltage | 90-265 V |
| Output 1 | 395 V / 0.76 A |
Description
The NCP1680 Evaluation Board (EVB) user guide demonstrates a universal line, 300 W totem pole PFC built using NCP1680. NCP1680 is intended for Industrial power supplies, Telecom/5G/Networking power, USB PD, Gaming consoles, UHD TV power supplies, and Lighting applications. TPFC topology eliminates the need for heatsinks or forced air in the NCP1680 EVB while operating at an ambient of 25°C.
Features
- Totem Pole PFC Topology Eliminates Input Diode Bridge Enabling Very High Efficiency & Compact Design
- AC Line Monitoring Circuit & AC Phase Detection
- Brownout Detection
- Critical Conduction Mode (CrM) Operation
- Discontinuous Conduction Mode (DCM) with Valley Turn On under Light Load Conditions
- Frequency Foldback in DCM with 25 kHz Minimum Frequency
- Digital Loop Compensation
- Simplified Valley Sensing
- Novel Current Limit Scheme Eliminates the Needs for Hall Effect Sensors
- Soft Skip Mode with a Skip Flag for Optimizing Light LoadPerformance
- Near Unity Power Factor in All Operating Modes
- PFCOK Indicator
Typical applications
- Merchant Power, Ultra High Density (UHD) Power Supplies, 5 G/Telecom Power Supplies, Gaming Console Power Supplies, Industrial Power Supplies
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | Size | Operating Temperature | Q(%) | RISO | Ceramic Type | Fl(mm) | Packaging | IR(A) | L(mH) | RDC max.(mΩ) | VR(V (DC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 22 pF, ±5% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance22 pF | Capacitance±5% | Size0603 | Operating Temperature -55 °C up to +125 °C | Q-Factor840 % | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | Rated Voltage50 V (DC) | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | – | |||||
 | WE-CMBNC Common Mode Power Line Choke Nanocrystalline, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMBNC Common Mode Power Line Choke Nanocrystalline | – | – | SizeL | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | Rated Current7 A | Inductance7 mH | DC Resistance22 mΩ | Rated Voltage300 V (DC) | Insulation Test Voltage2100 V (AC) | MaterialNanocrystalline | Length29 mm | Width19 mm | Height28 mm | MountTHT | ||||
| WE-CMBNC Common Mode Power Line Choke Nanocrystalline, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMBNC Common Mode Power Line Choke Nanocrystalline | – | – | SizeL | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | Rated Current3.5 A | Inductance35 mH | DC Resistance80 mΩ | Rated Voltage300 V (DC) | Insulation Test Voltage2100 V (AC) | MaterialNanocrystalline | Length27.5 mm | Width18 mm | Height32 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 | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | Rated Current5.4 A | Inductance0.15 mH | DC Resistance42 mΩ | – | – | – | Length26 mm | Width13 mm | – | MountTHT | |||
750319168 | PFC Inductor, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series PFC Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |