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PoL DC/DC converters enable design flexibility

Posted: 27 Jan 2010 ?? ?Print Version ?Bookmark and Share

Keywords:point-of-load? DC/DC converter? power?

OKR-T/10-W12 DC/DC converter

Murata Power Solutions expands its range of Okami non-isolated point-of-load (PoL) DC/DC power converters with the 6A OKR-T/6 and the 10A OKR-T/10-W12 devices. The SIP packaged though-hole mounting miniature devices combine a wide input voltage range with programmable output voltage, offering engineers a high degree of design flexibility.

The comprehensive Okami range of PoL DC/DC power converters offers designers a choice of 3, 6- and 10A modules in both through-hole and surface mount formats. The use of common, industry-standard pinouts across the range helps simplify inclusion of the devices in both existing and new designs. Applications include the powering of ASICs, FPGAs, DSPs, microprocessors and communications ICs in both datacom and industrial equipment.

Based on 600kHz synchronous buck topology, the OKR-T/6 and the OKR-T/10-W12 offer high power conversion efficiencies of 93 percent and 92 percent respectively. Both modules are able to drive up to 200?F capacitive loads.

Output voltage is programmable from 0.591Vdc to 6Vdc and the modules are able to operate from a wide input voltage range of 4.5Vdc to 14Vdc. The OKR-T/6 and the OKR-T/10-W12 deliver outstanding thermal derating performance and feature over temperature and over current protection, on/off control, and under voltage lock out.

Overall dimensions for both are 10.4mm x 16.5mm x 7.62mm. Operating temperature range is -40C to +85C. The units are designed to meet UL/EN/EC 60950-1 safety and FCC EMI/RFI emissions certifications and are RoHS-6 compliant.

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