Product category: DC/DC Convertors
News Release from: Artesyn | Subject: SIL06, SIL15 and SIL30 Series
Edited by the Electronicstalk Editorial Team on 3 September 2002
POL convertors aim
for cost-critical applications
Artesyn Technologies has three new families of single-output nonisolated point-of-load convertors for use in cost-critical applications such as workstations, PCs, servers and data storage devices
Artesyn Technologies has three new families of single-output nonisolated point-of-load (POL) convertors for use in cost-critical applications such as workstations, PCs, servers and data storage devices. Known as the SIL06, SIL15 and SIL30 Series, these new low-cost DC/DC convertors employ an open-frame single-board construction to minimise cost, weight and thermal management issues, and use fixed-frequency switching technology to maximise conversion efficiency.
This article was originally published on Electronicstalk on 3 September 2002 at 8.00am (UK)
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Each of these convertors features a wide-range adjustable output - enabling designers to accommodate various semiconductor supply voltages with the same unit - which is preset to the required value by a single external resistor.
All three families are intended for through-hole board mounting and offer a choice of vertical or horizontal package orientation to simplify design-in.
The vertically oriented models feature single-inline connections and minimal footprints, enabling designers to achieve very high component placement densities and thereby save on valuable board space.
The SIL06 Series is the smallest of the new POL convertors, and can handle output currents up to 6A.
The horizontal mounting version measures just 30.5 x 15.5mm, and has an above-board height of 13.4mm; the vertical mounting version has a footprint of only 30.5 x 11.3mm, with an above-board height of 15.5mm.
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There are two models in the series, with nominal input voltages of 5 and 12V DC.
The 5V input model has a typical conversion efficiency of 89% and provides an output that is trimmable from 0.9 to 3.3V.
The 12V input model offers even higher conversion efficiency - typically 91% - and an exceptionally wide output trim range, spanning 0.9 to 5.0V.
Artesyn's new SIL15 Series POL convertors handle output currents of up to 15A.
The module incorporates a power stage heatsink, but is still extremely compact.
The horizontal mounting version measures 30.5 x 27.9mm, and has an above-board height of 12mm; the vertical mounting version has a footprint of only 30.5 x 10.2mm, with an above-board height of 27.9mm.
There are two models in the series, with nominal input voltages of 5 and 12V DC.
The 5V input model has a typical conversion efficiency of 89% and provides an output that is trimmable from 0.9 to 3.3V.
The 12V input model has a typical conversion efficiency of 91%, and an output trim range of 0.9 to 5.0V.
SIL30 Series POL convertors can handle output currents as high as 30A, using a dual phase switching topology to minimise input and output ripple.
The horizontal mounting version measures 60.9 x 34.3mm, and has an above-board height of 12mm; the vertical mounting version has a footprint of only 60.9 x 12.7mm, with an above-board height of 31.7mm.
The convertor has a nominal input voltage of 12V, a typical full load efficiency of 91%, and an output that is trimmable over the range 2.5 to 5.0V.
The SIL30 also features remote sense capabilities, allows current sharing between parallel modules, and incorporates over-temperature protection as standard.
All SIL06, SIL15 and SIL30 Series POL convertors offer a remote on/off facility and a 'power good' output signal.
The convertors have no minimum load requirement, and are capable of sinking as well as sourcing current, for termination applications.
They feature input undervoltage lockout, and are fully protected against overcurrent and short-circuit conditions.
Artesyn's SIL06, SIL15 and SIL30 Series POL convertors have an operational temperature range of 0 to +50C ambient, and carry a full set of international safety approvals, including EN60950 and UL/cUL60950.
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