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Onsemi NCP1602 | Demoboard NCP1399AIOGEVB
Implementing All‐in‐One PC Power Supply Evaluation Board User's Manual
Details
| Topologie | LLC Resonanzwandler |
| Eingangsspannung | 85-260 V |
| Ausgang 1 | 12 V / 20 A |
| IC-Revision | 1 |
Beschreibung
This evaluation board user’s manual provides basic informationabout a high efficiency, low no-load power consumption referencedesign that was tailored to power All-in-One PC or similar type ofequipment that accepts 12 VDC on the input. The power supplyimplements PFC front stage to assure unity power factor and lowTHD, current mode LLC power stage to enhance transient responseand secondary side synchronous rectification to maximize efficiency.This design note focuses mainly on the NCP1399 current mode LLCcontroller description – please refer to NCP1602 and NCP4305materials to gain more information about these devices.The NCP1399 is a current mode LLC controller which means thatthe operating frequency of an LLC converter is not controlled viavoltage (or current) controlled oscillator but is directly derived fromthe resonant capacitor voltage signal and actual feedback level. Thiscontrol technique brings several benefits compare to traditionalvoltage mode controllers like improved line and load transientresponse and inherent out of zero voltage switching protection. TheLLC controller also features built-in high voltage startup and PFCoperation control pins that ease implementation of a power supplywith PFC front stage and no standby power supply on board. Theenhanced light lad operation scheme of the LLC controller allowsSMPS design to fulfill the latest no-load and light load consumptionlimits and still keep output voltage regulated with excellent transientresponse from no-load to full-load steps.
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 Protection
- Overload Protection
- Secondary Short Circuit Protected
- Thermal Protection
- Regulated Output Under any Conditions
- Excellent Load and Line TransientResponse
- All Magnetics Available as Standard Parts
- Small Form Factor
- Capability to Implement Off-mode forExtremely Low No-load PowerConsumption
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | C | VR (V (AC)) | Sicherheitsklasse | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Betriebstemperatur | Raster (mm) | L (mm) | W (mm) | H (mm) | Verpackung | VRMS (V) | VDC (V) | VBR (V) | IPeak (A) | Wmax (J) | PDiss (W) | Anwendung | VDE-Zulassung | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 890334026027 | SPEC | 8 Dateien | WCAP-FTXX Folienkondensatoren | 1 µF | 310 | X2 | 170 | 0.1 | 10 GΩ | -40 °C bis zu +105 °C | 22.5 | 26 | 11 | 20 | Lose | – | – | – | – | – | – | Across the mains | – | ||
 | 820512711 | SPEC | 6 Dateien | WE-VD Disk Varistor | – | – | – | – | – | – | -40 °C bis zu +85 °C | – | 12.5 | 4.4 | 16 | – | 275 | 350 | 430 | 2500 | 66 | 0.4 | 230 VAC | Ja | ||
| 750370249 | SPEC | – | – | Power Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 890334026027 | SPEC | |
| 820512711 | SPEC | |
| 750370249 | SPEC | – |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | C | VR (V (AC)) | Sicherheitsklasse | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Betriebstemperatur | Raster (mm) | L (mm) | W (mm) | H (mm) | Verpackung | VRMS (V) | VDC (V) | VBR (V) | IPeak (A) | Wmax (J) | PDiss (W) | Anwendung | VDE-Zulassung | Muster |
|---|