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Overview
| Topology | Flyback Converter |
| Input voltage | 90-265 V |
| Output 1 | 15 V |
| IC revision | 1.0 |
Description
The EVLVIPGAN50WF evaluation board implements a 15 V / 50 W SSR isolated flyback converter developed for general-purpose applications, operating from 90 to 265 VAC.The reference design is built around the VIPERGAN50W, a new advanced offline high-voltage converter by STMicroelectronics with the following features:- 700 V PowerGaN with embedded senseFET (Si) and HV startup;- QR operation with dynamic blanking time and adjustable valley synchronization delay functions, to maximize efficiency at any input line and load conditions;- Valley-lock to ensure constant valley skipping;- Input voltage feedforward compensation for mains-independent OPP intervention;- Adaptive burst mode for advanced power management in light load conditions;- Frequency jittering for EMI suppression.Enhanced system reliability is ensured by the built-in soft-start function and by the following set of protections:- Input OVP (settable);- Brown-in and brown-out (settable);- Output OVP (settable);- Output overload;- OCP LEB;- Embedded thermal shutdown.The EVLVIPGAN50WF is composed of a main board and a daughter board, with schematics shown in Figure 1 and Figure 2 respectively.The main board contains a diode bridge for double wave rectification, an input pi filter for EMI, a flyback transformer, the VIPERGAN50W and all the related components needed for polarization and feature setting on the primary side. On the secondary side, it contains the output capacitors and the output rectifier, realized by a Power MOSFET driven by a synchronous rectifier for efficiency optimization.
Features
Universal input mains range: 90 – 265 VACFrequency: 50-60 HzOutput voltage: 15 VOutput current: 3.35 AStand-by mains consumption: < 85 mW at 230 VACAverage efficiency: > 90%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
- general-purpose applications
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | L(mm) | W(mm) | H(mm) | Fl(mm) | Ceramic Type | Packaging | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | Pitch(mm) | Qmin. | Q | L(µH) | IR(A) | ISAT,10%(A) | RDC max.(mΩ) | fres(MHz) | Version | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | Ø D(mm) | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWCAP-CSST Soft Termination, 220 pF, ±10% | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSST Soft Termination | Capacitance220 pF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Ceramic TypeX7R Class II | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | –Check availability | |||
 | SPECWCAP-CSMH Mid and High Voltage, 470 pF, ±10% | Availability – | Downloads8 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSMH Mid and High Voltage | Capacitance470 pF | Capacitance±10% | Rated Voltage1000 V (DC) | Size1206 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Length3.2 mm | Width1.6 mm | Height1.25 mm | Pad Dimension0.6 mm | Ceramic TypeX7R Class II | Packaging7" Tape & Reel | – | – | – | – | – | Q-Factor600 | – | – | – | – | – | – | – | – | – | – | –Check availability | ||
SPECWCAP-CSGP MLCCs 50 V(DC), 1 nF, ±10% | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance1 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Ceramic TypeX7R Class II | Packaging7" Tape & Reel | – | – | – | – | Q-Factor [1]600 | – | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 50 V(DC), 6.8 nF, ±10% | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance6.8 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Ceramic TypeX7R Class II | Packaging7" Tape & Reel | – | – | – | – | Q-Factor [1]600 | – | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
 | SPECWCAP-FTXX Film Capacitors, 100 nF, ±10% | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTXX Film Capacitors | Capacitance100 nF | Capacitance±10% | Rated Voltage310 V (DC) | SizePitch 10 mm | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance30 GΩ | Length13 mm | Width7 mm | Height13 mm | – | – | PackagingCarton | Safety ClassX2 | Rate of Voltage Rise300 V/µs | Dissipation Factor0.1 % | Pitch10 mm | – | – | – | – | – | – | – | – | – | – | – | – | –Check availability | |||
SPECWCAP-CSGP MLCCs 50 V(DC), 100 nF, ±10% | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance100 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3 % | Insulation Resistance5 GΩ | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Ceramic TypeX7R Class II | Packaging7" Tape & Reel | – | – | – | – | Q-Factor [1]600 | – | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 25 V(DC), 1 µF, ±10% | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance1 µF | Capacitance±10% | Rated Voltage25 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor10 % | Insulation Resistance0.5 GΩ | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Ceramic TypeX7R Class II | Packaging7" Tape & Reel | – | – | – | – | Q-Factor [1]600 | – | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 25 V(DC), 4.7 µF, ±10% | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance4.7 µF | Capacitance±10% | Rated Voltage25 V (DC) | Size1206 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor7 % | Insulation Resistance0.1 GΩ | Length3.2 mm | Width1.6 mm | Height1.6 mm | Pad Dimension0.6 mm | Ceramic TypeX7R Class II | Packaging7" Tape & Reel | – | – | – | – | Q-Factor [1]600 | – | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 25 V(DC), 10 µF, ±10% | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance10 µF | Capacitance±10% | Rated Voltage25 V (DC) | Size1206 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor10 % | Insulation Resistance0.01 GΩ | Length3.2 mm | Width1.6 mm | Height1.6 mm | Pad Dimension0.5 mm | Ceramic TypeX7R Class II | Packaging7" Tape & Reel | – | – | – | – | Q-Factor [1]600 | – | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
 | SPECWCAP-ATG5 Aluminum Electrolytic Capacitors, 22 µF, ±20% | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG5 Aluminum Electrolytic Capacitors | Capacitance22 µF | Capacitance±20% | Rated Voltage50 V (DC) | – | – | Dissipation Factor10 % | – | Length11 mm | – | – | – | – | PackagingAmmopack | – | – | – | Pitch2 mm | – | – | – | – | – | – | – | – | Endurance 2000 | Ripple Current60 mA | Leakage Current11 µA | Diameter5 mm | –Check availability | |||
| SPECWCAP-ATG5 Aluminum Electrolytic Capacitors, 47 µF, ±20% | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG5 Aluminum Electrolytic Capacitors | Capacitance47 µF | Capacitance±20% | Rated Voltage400 V (DC) | – | – | Dissipation Factor15 % | – | Length25 mm | – | – | – | – | PackagingAmmopack | – | – | – | Pitch7.5 mm | – | – | – | – | – | – | – | – | Endurance 2000 | Ripple Current300 mA | Leakage Current564 µA | Diameter16 mm | –Check availability | |||
 | SPECWE-TI Radial Leaded Wire Wound Inductor, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | – | – | Rated Voltage120 V (DC) | Size8095 | Operating Temperature -40 °C up to +125 °C | – | – | Length7.8 mm | Width7.8 mm | Height9.5 mm | – | – | – | – | – | – | – | – | – | Inductance47 µH | Rated Current2 A | Saturation Current @ 10%2.3 A | DC Resistance120 mΩ | Self Resonant Frequency9.1 MHz | VersionStandard | – | – | – | – | –Check availability | |||
750841235 | SPECOffline Transformer, –, – | Simulation– | Availability – | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Offline Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | –Check availability |
Availability Forecast
WE item number Packaging unitsLead time
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| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |
There is no forecast for this quantity request.
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