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STMicroelectronics VIPER31 | Demoboard STEVAL-VP318L
15 V / 1.2 A SSR Flyback converter based on VIPer318L
Overview
| Topology | Flyback Converter |
| Input voltage | 85-265 V |
| Output 1 | 15 V / 1.2 A |
| IC revision | 1 |
Description
The STEVAL-VP318L1F reference design implements a 15 V - 18 W SSR isolated flyback converter developed for general purpose applications operating from 85 to 265 VAC.The design is built around the new VIPer318L offline high-voltage converter from the VIPerPlus family with 800 V avalanche-rugged Power MOSFET, PWM current-mode control, fixed 60 kHz switching frequency with jittering to satisfy electromagnetic disturbance regulations, and burst mode for light load management.The board features a small size, minimal BOM, high efficiency, low stand-by consumption and tight line and load regulation over the entire input and output range. Input overvoltage and undervoltage protections with separate and settable trigger thresholds are available on the respective OVP and UVP pins.
Features
- Universal input mains range: 85 – 265VAC
- Frequency: 50-60Hz
- Output voltage: 15 V
- Output current: 1.2 A
- Stand-by mains consumption: < 55mW at 230VAC
- Average efficiency: > 85%
- Tight line and load regulation over the entire input and output range
- Meets IEC55022 Class B conducted EMI even with reduced EMI filter, thanks to the frequency jittering feature
- RoHS compliant
- WEEE compliant
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | Fl(mm) | Packaging | ISAT(A) | RDC(mΩ) | fres(MHz) | Z @ 25 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | Pitch(mm) | Ø D(mm) | 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), 68 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance68 nF | Capacitance±10% | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3 % | Insulation Resistance7.4 GΩ | Ceramic TypeX7R Class II | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage50 V (DC) | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), 100 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance100 nF | Capacitance±10% | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Insulation Resistance5 GΩ | Ceramic TypeX7R Class II | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (DC) | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | – | |||||
 | WCAP-ATG5 Aluminum Electrolytic Capacitors, 100 µF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG5 Aluminum Electrolytic Capacitors | Capacitance100 µF | Capacitance±20% | – | – | Dissipation Factor12 % | – | – | – | PackagingAmmopack | – | – | – | – | – | – | – | Endurance 2000 | Ripple Current160 mA | Leakage Current35 µA | Pitch2.5 mm | Diameter6.3 mm | – | – | – | Rated Voltage35 V (DC) | – | – | Length11 mm | – | – | – | ||||
 | WE-CMB Common Mode Power Line Choke, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMB Common Mode Power Line Choke | – | – | SizeXS | Operating Temperature -40 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Current0.5 A | Inductance20 mH | DC Resistance1000 mΩ | Rated Voltage250 V (DC) | Insulation Test Voltage1500 V (AC) | MaterialMnZn | Length15 mm | Width7.8 mm | Height17.5 mm | MountTHT | ||||
 | WE-RFI SMT Wirewound Ferrite Bead, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-RFI SMT Wirewound Ferrite Bead | – | – | Size0805A | Operating Temperature -40 °C up to +85 °C | – | – | – | – | – | – | – | Self Resonant Frequency45 MHz | Impedance @ 25 MHz830 Ω | Maximum Impedance17920 Ω | Maximum Impedance110 MHz | Rated Current 2260 mA | – | – | – | – | – | Rated Current0.16 A | Inductance0.0056 mH | DC Resistance2200 mΩ | – | – | – | Length2 mm | Width1.25 mm | Height1.2 mm | MountSMT | ||||
 | WE-LQS SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LQS SMT Power Inductor | – | – | Size4025 | Operating Temperature -40 °C up to +125 °C | – | – | – | – | – | Saturation Current1.75 A | DC Resistance33 mΩ | Self Resonant Frequency75 MHz | – | – | – | – | – | – | – | – | – | Rated Current3.23 A | Inductance0.0033 mH | – | – | – | – | Length4 mm | Width4 mm | Height2.5 mm | MountSMT | ||||
750317580 | Offline Transformer, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Offline Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |