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Overview
| Topology | Power Factor Correction |
| Input voltage | 90-230 V |
| IC revision | 2 |
Description
The NCP1655 is an innovative multimode power factor controller. The circuit naturally transitions from Continuous Conduction Mode (CCM) to Critical Conduction Mode (CrM) and vice versa depending on the switching period duration, so that the efficiency is optimized over the line/load range. In every-light-load conditions, the circuit can enter the soft-SKIP mode for minimized losses. Housed in a SO-9 package, the circuit further incorporates the features necessary for robust and compact PFC stages, with few external components.
Features
Multi-mode (CrM-CCM) OperationFrequency Foldback / Soft-SKIP modepfcOK SignalComplete protection features: OCP, OVP, BO, BVP...Frequency jittering in CCM
Typical applications
- PFC, AC / DC power supply
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | C | VR 2(V (DC)) | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | Packaging | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | DF(%) | Ø D(mm) | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-TBL Series 2535 - 5.08 mm Horizontal Entry Modular w. Rising Cage Clamp, 2, Rising Cage Clamp | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Pins2 | PCB/Cable/PanelPCB | ModularityYes | TypeHorizontal | Wire Section 12 to 30 (AWG) 0.05 to 3.31 (mm²) | – | – | – | – | – | – | Pitch5.08 mm | PackagingBox | – | – | – | – | – | Rated Current24 A | – | – | – | – | – | Length10.16 mm | – | – | MountTHT | – | – | – | – | – | – | – | ||||
 | WE-CMBNC Common Mode Power Line Choke Nanocrystalline, 4, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMBNC Common Mode Power Line Choke Nanocrystalline | Pins4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Current10 A | Inductance2 mH | DC Resistance6.3 mΩ | Rated Voltage300 V (AC) | Insulation Test Voltage2100 V (AC) | MaterialNanocrystalline | Length24 mm | Width17 mm | Height25 mm | MountTHT | – | – | – | – | – | – | VDE Approval40048238 | ||||
 | WE-VD Disk Varistor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-VD Disk Varistor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Diameter12.5 mm | – | – | – | – | – | – | Length12.5 mm | Width4.6 mm | Height16 mm | MountTHT | AC Operating Voltage300 V | DC Operating Voltage385 V | (Reverse) Breakdown Voltage470 V | (Reverse) Peak Pulse Current2500 A | Energy Absorption70 J | Power Dissipation0.4 W | VDE ApprovalYes | ||||
 | WCAP-FTXX Film Capacitors, –, Across the mains | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTXX Film Capacitors | – | – | – | – | – | Capacitance470 nF | Rated Voltage 2630 V (DC) | Safety ClassX2 | Rate of Voltage Rise220 V/µs | Dissipation Factor0.1 % | Insulation Resistance21.28 GΩ | Pitch15 mm | PackagingCarton | – | – | – | – | – | – | – | – | Rated Voltage310 V (AC) | – | – | Length18 mm | Width8 mm | Height14 mm | MountBoxed THT | – | – | – | – | – | – | – | ||||
 | WCAP-ATG5 Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG5 Aluminum Electrolytic Capacitors | – | – | – | – | – | Capacitance47 µF | – | – | – | – | – | Pitch2 mm | PackagingAmmopack | Endurance 2000 | Ripple Current105 mA | Leakage Current11.75 µA | Dissipation Factor14 % | Diameter5 mm | – | – | – | Rated Voltage25 V (AC) | – | – | Length11 mm | – | – | – | – | – | – | – | – | – | – | ||||
 | WCAP-AI3H Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-AI3H Aluminum Electrolytic Capacitors | – | – | – | – | – | Capacitance330 µF | – | – | – | – | – | Pitch10 mm | PackagingTray | Endurance 3000 | Ripple Current1450 mA | Leakage Current1156.07 µA | Dissipation Factor20 % | Diameter35 mm | – | – | – | Rated Voltage450 V (AC) | – | – | Length42 mm | – | – | MountSnap-In | – | – | – | – | – | – | – | ||||
 | WCAP-FTBE Film Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTBE Film Capacitors | – | – | – | – | – | Capacitance680 nF | Rated Voltage 2320 V (DC) | – | Rate of Voltage Rise18 V/µs | Dissipation Factor1 % | Insulation Resistance4.41 GΩ | Pitch15 mm | PackagingCarton | – | – | – | – | – | – | – | – | Rated Voltage400 V (AC) | – | – | Length18 mm | Width8.5 mm | Height15 mm | – | – | – | – | – | – | – | – | ||||
750317557 | PFC Inductor, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series PFC Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |