SKKT71/12D FDK Corporation, SKKT71/12D Datasheet

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SWITCHING POWER SUPPLIES & CUSTOMIZED DC-DC CONVERTERS Following the production of its first switching power supply in 1974, FDK has produced these electronic components for over 25 years. The mainstay of production is customized switching power supplies and DC-DC converters. ...

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FDK production framework q Features Global operation FDK produces switching power supplies not only in Japan but also in Taiwan and China. High-power-factor technology FDK is a leading creator of technologies for high-power-factor switching power supplies, power-factor-correc- tion (PFC) modules, ...

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... Japan) XIAMEN FDK CORPORATION (China) M MFDK LANKA (PVT) LTD. (Sri Lanka) Power supplies are produced in these plants. e Global sales operation Boston San Jose San Diego http://www.fdk.co.jp MNANJING FDK CORPORATION (China) MSHANGHAI FDK CORPORATION (China) M FUCHI ELECTRONICS CO., LTD. (Taiwan) M TATUNG FDK CO., LTD. (Taiwan) MFUJITSU (THAILAND) CO ...

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... Backed by the FDK R&D Center • One of the Center’s task is to develop and design medium to large power supplies. XIAMEN FDK CORPORATION in Xiamen, China • Founded in 1994 to supply lower-priced products. • The new plant completed in February 1998. • Produces power supplies in large lots. ...

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Development and production systems q High-frequency power ferrite cores FDK develops and produces ferrite cores for use in: • TV deflection yokes • VCR rotary transformers • Switching power supply transformers/choke coils. Ferrite technology is fully utilized in FDK’s ...

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Quality screening by aging tests All new power supplies fresh off the assembly line undergo a high-temperature aging process to weed out defective products at an early stage. u Quality assurance by measuring systems Tuning, testing and inspections are ...

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FDK’s power supply technologies q Power factor correction (PFC) circuit technology Purpose of power factor correction PFC circuits are intended to modify the input current waveform resemble an input voltage waveform or, in other words, to achieve ...

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Input current reduction effect of PFC Because switching power supplies adopt the capacitor input rectification method, the input current peak is very high, thereby pushing down the power factor to 0.6 or 0.7. As shown by the equation below, however, ...

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PFC Products PFC modules: PFCM300-03 Taking advantage of intensive packaging technology, these PFC modules incorporate an inrush current-limiting circuit (with an external resistor), an input rectifier, an inductor, and an auxiliary power supply circuit all in one compact unit. ...

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Electrical characteristics of PFC modules Item Input voltage Output voltage Output power Output voltage variation Output ripple Efficiency Power factor Overvoltage protection Thermal protection Auxiliary power supply output Isolation resistance Isolation withstand voltage Shape and dimensions 26.67 8.89 2.54 4=10.16 ...

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PFC control hybrid modules By adopting a continuous current formula, these PFC circuit control modules minimize the amount of the rated current required by peripheral circuit components, thereby enabling the host equipment to meet the harmonic wave regulations. They are ...

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Absolute maximum rating of PFC control hybrid modules Item Symbol Min. value Max. value Supplied voltage Vcc Comparator input voltage I 1,2 SENSE Control amplifier input V SENSE Multiplier input current I in SENSE Overvoltage protection input V OVP Overcurrent ...

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High-efficiency intensive-packaging technology As electronic equipment is downsized, switching power sup- plies and DC-DC converters must be made more compact, lightweight and flat. Surface packaging technology is utilized for higher-density packaging. In addition, the internal loss and heat release of ...

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Customized switching power supplies Customized switching power supplies for personal computers Designed for desk-top PCs that automatically adjust input voltage in order to meet the harmonic wave regulations, these power supplies have a 150W-4ch output and provide separate 100V and ...

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Customized switching power supplies for work stations These are 150W-3ch switching power supplies for work stations with built-in active filters, and conform to worldwide input voltage or harmonic wave regulations. Characteristics (examples) Item Input voltage Frequency Inrush current Efficiency Power ...

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Customized switching power supplies for fax machines These switching power supplies are suited for compact fax machines using A4 thermo-sensitive papers. They provide separate 100V and 200V input voltage options, and they have +5V, +24V and ±12 output channels, a ...

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Customized switching power supplies for photocopiers Intended for compact and medium to high-speed photo- copiers, these switching power supplies have two output channels (+5V, +24V), a 160W rated power, and a 250W peak power. They provide 100V and 200V input ...

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Customized switching power supplies for control equipment We offer compact, highly reliable switching power supplies for programmable controllers. Input voltages come in 100V and 200V types, while their two-channel outputs are +5V and +24V (30W-2ch). Characteristics (examples) Item Input voltage ...

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How to order customized switching power supplies FDK designs and manufactures customized switching power supplies on the basis of the specifications provided by the customer. When placing orders, please consider the following recommendations are willing to shorten the ...

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Customized DC-DC converters Customized DC-DC converters for microprocessors These onboard DC-DC converters designed for micro- processors have been remarkably downsized through the use of metallic circuit boards. They feature a free choice of a precise output voltage in the 4.7-5.3V ...

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Customized DC-DC converters for switchboards These onboard DC-DC converters for switchboards feature compatibility with plug-in cards and an impressively com- pact size through the use of metallic circuit boards. Their input voltage is 48V, while their output is either 5V ...

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Customized DC-DC converters for notebook PCs Intended for use in notebook PCs, these DC-DC converters provide a constant output current for recharging the PC's batteries. A constant output voltage is supplied by the main superb 90% efficiency rating, thus ensuring ...

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General-purpose compact DC-DC converters (MX Series) These DC-DC converters, which are very flat with a height of only 8.5mm, are packed inside metallic casing in order to prevent radiation noise from affecting the surrounding com- ponents. Their floating input-output system ...

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Derating curve 120 100 – Ambient temp. (˚C) Connection diagram (1) Single-output type +Vin 5 Vin 1 –Vin Shape and dimensions (3.38) http://www.fdk.co.jp Precautions 1. ...

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How to order customized DC-DC converters FDK always stand ready to receive orders for custom- design DC-DC converters. When placing orders, please enter your desired design in the specification table below. Setting specifications Input voltage Efficiency MV Output voltage MA ...

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Precautions Before Use Switching power supplies and DC-DC converters are designed generally as components to be incorporated into equipment. FDK therefore recommends the use of its power supplies and DC-DC converters as components to be safely installed in relation to ...

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FDK Web Site Electronics sales Div. 5-36-11, Shinbashi, Minato-ku, Tokyo 105-8677, Japan (Hamagomu Bldg.) TEL: (81)-3-5473-4673 FAX: (81)-3-3431-9436 U.S.A. FDK AMERICA, INC. CORPORATE OFFICE 2270 North First Street, San Jose, California 95131-2022, U.S.A. TEL: (1)-408-432-8331 FAX: (1)-408-435-7478 FDK AMERICA, INC. ...