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Onsemi NCP1616A1 | Demoboard EVBUM2566/D
Implementing All‐in‐One PC Power Supply Evaluation Board User's Manual
Details
| Topologie | Leistungsfaktor-Korrektur |
| Eingangsspannung | 90-265 V |
| Schaltfrequenz | 26 kHz |
| Ausgang 1 | 12 V / 20 A |
Beschreibung
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 focuses mainly on the NCP13992 current mode LLC controller description. Please use links in literature section to get materials about NCP1616, NCP4306 and NCP431 to gain more information about these devices.The NCP13992 is a high performance current mode controller for half bridge resonant converters. This controller implements 600 V gate drivers, simplifying layout and reducing external component count. The Controller also features built-in high voltage startup. The Brown-Out input function eases implementation of the controller in all applications. In applications where a PFC front stage is needed, the NCP13992 features a dedicated output to drive the PFC controller.This feature together with quiet skip mode technique further improves light load efficiency of the whole application. The NCP13992 provides a suite of protection features allowing safe operation in any application. This includes: overload protection, over-current protection to prevent hard switching cycles, brown-out detection, open optocoupler detection, automatic dead-time adjust, over-voltage(OVP) and over-temperature (OTP) protections. The LLC current mode means that the operating frequency of an LLC converter is not controlled via voltage (or current) controlled oscillator but is directly derived from the resonant capacitor voltage signal and actual feedback level. This control technique brings several benefits compare to traditional voltage mode controllers like improved line and load transient response and inherent out of zero voltage switchingprotection.
Eigenschaften
- Wide Input Voltage Range
- High Efficiency
- Low No−load Power Consumption
- No Auxiliary SMPS, Fast Startup
- X2 Capacitor Discharge Function
- 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
- Universal Design for Multiple Controllers
- Assembling Possibilities
- Extremely Low No−load Consumption
Typische Anwendungen
- Off-line power supplies
- Lighting Ballast
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | VR(V (AC)) | Sicherheitsklasse | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Raster(mm) | L(mm) | B(mm) | H(mm) | Verpackung | VRMS(V) | VDC(V) | VBR(V) | IPeak(A) | Wmax(J) | PDiss(W) | VDE-Zulassung | L(µH) | IR(A) | RDC max.(Ω) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-VD Disk Varistor, 230 VAC, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-VD Disk Varistor | – | – | – | – | – | – | – | Länge12.5 mm | Breite4.4 mm | Höhe16 mm | – | Wechselstrom Betriebsspannung275 V | DC Betriebsspannung350 V | (Rückwärts-) Durchbruchspannung430 V | (Reverse) Peak Pulse Current2500 A | Energieabsorption66 J | Verlustleistung0.4 W | VDE-ZulassungJa | – | – | – | ||||
 | WCAP-FTXX Folienkondensatoren, Across the mains, 1 µF | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-FTXX Folienkondensatoren | Kapazität1 µF | Nennspannung310 V (AC) | SicherheitsklasseX2 | Spannungsanstiegsgeschwindigkeit170 V/µs | Verlustfaktor0.1 % | Isolationswiderstand10 GΩ | Raster22.5 mm | Länge26 mm | Breite11 mm | Höhe20 mm | VerpackungLose | – | – | – | – | – | – | – | – | – | – | ||||
 | WE-FI Funkentstördrossel, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-FI Funkentstördrossel | – | – | – | – | – | – | – | Länge18.5 mm | Breite10.5 mm | – | – | – | – | – | – | – | – | – | Induktivität90 µH | Nennstrom4.6 A | Gleichstromwiderstand0.04 Ω | |||
750370249 | Power Inductor, –, – | Simulation– | Downloads– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Produktserie Power Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |