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Overview
| Topology | Flyback Converter |
| Input voltage | 85-265 V |
| Output 1 | 12 V / 0.5 A |
Description
The STEVAL-VP12201F evaluation board implements a 12 V - 5 W isolated flyback converter developed for general purpose applications supplied from 85 to 265 VAC.STEVAL-VP12201F IMAGEThe reference design is built around the new VIPer122LS offline high-voltage converter from the VIPerPlus family, with embedded 730 V Power MOSFET and PWM current-mode control.The main characteristics of the evaluation board are its small size and minimal BOM, high efficiency, low stand-by consumption and tight line and load regulation over the entire input and output range. Extremely low consumption under no-load condition is ensured thanks to burst mode operation, which reduces the average switching frequency and minimizes all frequency related losses.VIPer122LS operates at fixed frequency 60kHz with frequency jittering to meet the standards regarding electromagnetic disturbance.
Features
Universal input mains range: 85–265 VACFrequency: 50-60HzOutput voltage: 12 VOutput current: 416 mAHighly compact sizeStand-by mains consumption: < 30 mW at 230 VACAverage efficiency: > 77%Tight line and load regulation over the entire input and output rangeMeets IEC55022 Class B conducted EMI even with reduced EMI filter, thanks to the frequency jittering featureRoHS compliant
Typical applications
- High voltage Flyback converter
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | VIN | VOut1(V) | IOut1(A) | Vaux(V) | ISAT(mA) | VT(V (AC)) | fswitch(kHz) | L(mH) | NPRI : NSEC : NAUX | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 100 pF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance100 pF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 220 pF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance220 pF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | |||||
 | WE-OLSTM Offline Flyback Transformers, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-OLSTM Offline Flyback Transformers | – | – | – | SizeEE13/7/6 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length15 mm | Width15.75 mm | Height18.5 mm | – | – | Input Voltage 64 - 265 V (AC) | Output Voltage 112 V | Output Current 10.5 A | Auxiliary Voltage15 V | Saturation Current530 mA | Insulation Test Voltage3000 V (AC) | Switching Frequency 54 - 66 | Inductance2.5 mH | Turns Ratio5.57:1:1.24 | MountTHT |