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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 | 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) | Operating Temperature | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012206094 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | 68 nF | ±10% | 0603 | -55 °C up to +125 °C | 3 | 7.4 GΩ | X7R Class II | 0.4 | 7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 50 | – | – | 1.6 | 0.8 | 0.8 | – | ||
| 885012206071 | SPEC | 8 files | WCAP-CSGP MLCCs 25 V(DC) | 100 nF | ±10% | 0603 | -55 °C up to +125 °C | 3.5 | 5 GΩ | X7R Class II | 0.4 | 7" Tape & Reel | – | – | – | – | – | – | – | – | -55 °C up to +125 °C | – | – | – | – | – | – | – | 25 | – | – | 1.6 | 0.8 | 0.8 | – | ||
 | 860020573008 | SPEC | 7 files | WCAP-ATG5 Aluminum Electrolytic Capacitors | 100 µF | ±20% | – | – | 12 | – | – | – | Ammopack | – | – | – | – | – | – | – | 2000 | -40 °C up to +105 °C | 160 | 35 | 2.5 | 6.3 | – | – | – | 35 | – | – | 11 | – | – | – | ||
 | 744821120 | SPEC | 10 files | WE-CMB Common Mode Power Line Choke | – | – | XS | -40 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +125 °C | – | – | – | – | 0.5 | 20 | 1000 | 250 | 1500 | MnZn | 15 | 7.8 | 17.5 | THT | ||
 | 744760356A | SPEC | 9 files | WE-RFI SMT Wirewound Ferrite Bead | – | – | 0805A | -40 °C up to +85 °C | – | – | – | – | – | – | – | 45 | 830 | 17920 | 110 MHz | 260 | – | – | – | – | – | – | 0.16 | 0.0056 | 2200 | – | – | – | 2 | 1.25 | 1.2 | SMT | ||
 | 74404043033A | SPEC | 8 files | WE-LQS SMT Power Inductor | – | – | 4025 | -40 °C up to +125 °C | – | – | – | – | – | 1.75 | 33 | 75 | – | – | – | – | – | -40 °C up to +125 °C | – | – | – | – | 3.23 | 0.0033 | – | – | – | – | 4 | 4 | 2.5 | SMT | ||
| 750317580 | SPEC | – | – | Offline Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 885012206094 | SPEC | |
| 885012206071 | SPEC | |
| 860020573008 | SPEC | |
| 744821120 | SPEC | |
| 744760356A | SPEC | |
| 74404043033A | SPEC | |
| 750317580 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | 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) | Operating Temperature | 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 |
|---|