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16.12.2014

ROHM Semiconductor unveils its new BD7F100HFN-LB IC as part of the family of optocoupler-less isolated flyback converters.
The IC adopts the ROHM’s original Adapted-Type ON-Time Control Technology to control the output voltage. ROHM Semiconductor is a global company of 362,772 million yen (3,30 billion US$) revenue with 20,843 employees in the last fiscal year ending March 2015.
LAPIS Semiconductor (former OKI Semiconductor), SiCrystal AG and Kionix are companies of ROHM Group. ROHM Semiconductor Europe has its head office near Dusseldorf serving the EMEA region (Europe, Middle East and Africa).
ROHM - who has written 61 posts on PowerGuru – Power Electronics Information Portal. Pros:Полностью готовый модуль для зарядки самых разнообразных устройств, питающихся от USB.
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Sunpower Technology LLP are also authorised Mean Well distributors in the UK, and as Mean Well’s 1st and longest-standing distributor for the UK and Ireland nobody is better placed to assist you in sourcing the best Mean Well power supply for your needs. You must have JavaScript enabled in your browser to utilize the functionality of this website. Murata today announced the MGJ3 and MGJ6 series of configurable output voltage, high isolation DC-DC converters from Murata Power Solutions.
Both the MGJ3 3 Watt and the MGJ6 6 watt converters are available with a choice of wide input voltages around nominal +5, +12, or +24 VDC inputs. Typical applications for the MGJ series include use in motor drives, traction control drives, and wind turbine generators.
The use of this IC simplifies the design of an isolated DCDC converter as the required feedback, normally implemented with expensive optocoupler or complex transformer with 3rd wiring is not anymore necessary. ROHM Semiconductor develops and manufactures a very large product range from the Ultra Low Power Microcontroller, Power Management, Standard ICs, SiC Diodes, Mosfets and Modules, Power Transistors and Diodes, LEDs to passives components such as Resistors, Tantalum Capacitors and LED display units, thermal Printheads in state-of-the-art manufacturing plants in Japan, Korea, Malaysia, Thailand, the Philippines, China and Europe. This site and its' community will soon benefit from even lower pricing, thanks to your engaging support. This site and its' community will soon benefit interface improvements, thanks to your engaging support. Specifications are subject to change without notice; please ensure you conduct testing to ensure the product is suitable for your intended application.
For the full range of Mean Well power supplies speak with your sales representative; navigate the product sections above or visit Meanwell Direct. These 3 Watt and 6 Watt surface mounted devices are optimized for use as high-side and low-side gate drivers in IGBT and MOSFET bridge circuit designs. The input ranges are 4.5 to 9 VDC (+5 VDC nominal), 9 to 18 VDC (+12 VDC nominal) and 18 to 36 VDC (+24 VDC nominal). Murata Power Solutions designs, manufactures and distributes DC-DC Converter, AC-DC Power Supply, Magnetic and Digital Panel Meter product lines, and offers these products in custom, standard and modified-standard variations.


Murata's devices are found in a wide range of applications including consumer and automotive electronics, and wireless devices. As the number of parts and the board space are reduced drastically, the result is a small-sized and high-reliability isolated type power supply solution. The device doesn’t require external phase compensation parts and a high-speed load response is achievable, which facilitates highly efficient isolated power supply applications.
Providing triple output voltages of +15, +5 and +5 VDC, these converters provide optimum switching of IGBT drives for best overall system efficiency. Short circuit and overload protection features ensure a robust operation during system fault conditions.
The solution helps saving components, mitigates design risks, simplifies component sourcing management and offers more compact and efficient solutions.
A complete range of protection functions such as input low voltage protection (VIN UVLO), over-current protection (OCP), output short circuit protection (SCP) and temperature protection (TSD) guarantees stable operation and high reliability.
In addition, the outputs are configurable to suit a number of different circuit requirements such as +15 and -5 VDC or +20 and -5 VDC.
Other control inputs include an enable pin to facilitate power saving and a frequency synchronization input that aids EMC filter design. Condensation issues occurring in conventional designs with optocoupler are eliminated, improving dramatically the reliability and lifetime of the products. Additionally, ROHM guarantees longevity of supply for this converter in order to address the industrial market.



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