Universal Mains LED Lighting Optimized for Buck Topology Boundary Conduction Mode (BCM) Operation to Achieve High Efficiency High Power Factor > 0.9 High Efficiency > 90% System Current Accuracy: ±5% Good Line Regulation and Load Regulation Tight CC Regulation Performance for Universal Input Mains Voltage Range Eliminates Control Loop Compensation Circuitry Open-load and Reload Detection Over Voltage and Short and Open Circuit Protection Totally Lead-Free & Fully RoHS Compliant Halogen and Antimony Free. Distributor Stock Information / Buy NowCustom Low Power, High Reliability LED Drivers ROAL custom low power LED drivers offer a combination of high reliability, high energy conversion efficiency and active LED temperature control. These single channel isolated AC/DC LED drivers can be designed to output a constant current of between 350mA and 1500mA at a voltage of between 20V and 60V. Medium to High Power LED Driver Platform

Designed for color mixing and harsh environmental applications, ROAL's custom medium to high power LED driver platform offers high power, high reliability and high efficiency. The platform can provide custom LED driver solutions with single or multi output including color mixing, external DMX control and/or onboard memory with power levels from 80W to 400W.install thru wall ac unit Medium to High Power AC/DC Power Supplies with Digital PFC Driverssmall ac units for apartments Suited to high reliability and harsh environments, the ROAL medium to high power AC/DC digital PFC platform has been proven in the field with over 500,000 installations in a variety of demanding outdoor applications. raising ac unitOffering up to 2kW with either single or multiple outputs, the platform has an integrated digital PFC primary side and conversion efficiencies up to 90%..

Non-isolated High Power DC/DC Converter Boost Platform ROAL's non-isolated high power boost platform was designed for central office and networking applications to compensate for voltage line drops which can cause outages. The DC/DC boost technology offers 96.5% conversion efficiency and can be introduced with dual ETSI or ANSI modes. The platform obtains extremely high power density and uses a digital control loop. Isolated High Power DC/DC Converter Platform The high power DC/DC converter platform was designed for networking applications. Featuring noise emission compliance to EN55022 class B and immunity to EN61000-4-2, EN61000-4-3, EN61000-4-4, EN61000-4-5, EN61000-4-6, EN300827 (TETRA), ETSI EN 300 385/6 Class B, FCC Part 15 Class B . These high reliability DC/DC converters have been used by the largest networking companies in the world to power their highend trunk routers. Offering up to 2kW of power the ROAL custom battery charging platform integrates micro-processor charging stages control (IUoU), fan temperature controlled speed, soft start up and a variety of communication protocols including I2C, CANBus and PMBus.

Featured diagnostics include output short circuit, open output fuse, output over voltage, internal over temperature, prolonged over load and fan failure. AC Input LED Driver Constant Voltage & Current Versions Water Proof to IP67 Constant Voltage/Constant Current Operation Constant Current Dimming Versions 90-305 VAC Input Voltage RangeROAL Digital Light Catalog ROAL Digital Power Catalog High Power for Industrial Lighting ROAL offers a wide selection of constant voltage, high reliability power supplies that are ideal for high-power industrial lighting applications, including harsh environments. Products are available from 12 to 48 Vdc and range in power from 250W to 600W in sealed and fan-cooled configurations with efficiencies up to 95%, 12V auxiliary and 5V standby voltages, a wide operating temperature range and full industry certifications. High Power for Medical Lighting ROAL's medical grade (2XMOPP certified) constant voltage, high-power products provide reliable solutions for Medical applications including Surgical LED and UV LED lighting.

Products are available from 12 to 48Vdc and range in power from 250S ot 600W in sealed and fan-cooled configurations with efficiencies up to 95% in small form factors. ROAL has a long tradition of serving the industrial, ITE and communications markets. Since our inception we have been offering high reliability custom solutions to the most demanding customers in the world. This expertise has been channeled to design power supplies, such as the RCB600, which are smaller, more efficient, and offer more features than ever before. ROAL Electronics ever expanding range of high efficiency high density LED Lighting Power Electronics combined with our intimate understanding of the current and developing needs of our customers equals advanced solutions for virtually any LED Lighting application and output power requirements. ROAL's unique product search engine enables users of the website to quickly and effortlessly find the best ROAL products for their specific applications - faster and more efficiently than any other tools available.

ROAL understands the challenges faced by medical apparatus manufacturers, and incorporates this knowledge into the design requirements and compliances of its medically approved power supplies, offering a broad range of medical grade power solutions for use in both hospitals and portable home environments. Custom & Tailored Solutions ROAL specializes in the design and production of standard, modified standard and custom power and lighting electronics. ROAL’s expertise encompasses LED ballasts, LED drivers, AC/DC power supplies, battery chargers and digital control and user interface electronics for a variety of OEM applications in the lighting, communications, computing, industrial, medical and home appliance markets. ROAL’s RCB/MCB series of configurable power supplies is available in 600W and 1200W PFC front ends with a selection of DC/DC output modules, including a new dual output module. This flexibility combined with the wide selection of output choices give designers the advantage of a custom power solution without the long leadtimes and NRE costs associated with custom designs.