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STMicroelectronics MASTERGAN4/HVLED002/VIPER06XS | Demoboard EVLMG4L-IBCKFL
High power inverse buck for dimmable LED application with MASTERGAN4L, HVLED002 and VIPER06XS
Overview
| Topology | Buck Converter |
| Input voltage | 400 V |
| Output 1 | 360 V / 1.5 A |
| IC revision | 1 |
Description
The EVLMG4L-IBCKFL evaluation board is designed to be connected to a high voltage input DC source (e.g. PFC pre-regulator) to drive one high voltage, high power LED string with very accurate and adjustable (dimmable) current.The control algorithm is provided by HVLED002 and applied to MASTERGAN4L to convert the input power into output current efficiently.The VIPer06X high voltage converter provides auxiliary supply to the entire circuit.A 0-10V DC voltage can be used to dim the output current from 100% to 10%; leaving the dimming connector open, the maximum output current is provided.Input voltage UVLO as well as output overvoltage and undervoltage protections are implemented.
Features
Input voltage: Vin = 400 Vdc (typ), Vdim = 0 to 10 VdcOutput voltage range: 130 V – 360 VOutput current: 1.5 AHigh precision output current, with output current variation better than 5%High efficiency up to 99.4% @Iout = 1.5 A Vout = 350 VNo heatsink requiredLinear dimming between 0% - 100%System size: 65 mm x 49 mm x 29 mmRoHS compliant
Typical applications
- Dimmable LED
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT,10%(A) | RDC max.(mΩ) | fres(MHz) | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TI Radial Leaded Wire Wound Inductor, 2200 µH, 0.29 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | Inductance2200 µH | Rated Current0.29 A | Saturation Current @ 10%0.35 A | DC Resistance4730 mΩ | Self Resonant Frequency1.1 MHz | VersionStandard |