Power Conditioning Module features 10:1 input range.

Press Release Summary:




Featuring input range of 11-100 Vdc, Model PQ-28 is rated up to 200 W with 95% efficiency and switching frequency of 200 kHz. Load regulation is typically 0.1%, temperature coefficient is 150 ppm/°C, and baseplate to pin isolation is 700 Vdc. Housed in 2.28 x 2.4 x 0.5 in. package with case operating temperature of -40 to 100°C, module interfaces with MIL-STD-1275, 28 Vdc power bus. Unit offers input reverse polarity protection as well as short circuit protection with auto restart.



Original Press Release:



DC DC Input Power Conditioning Module



Calex Mfg. Co., Inc. of Concord California announces the availability of the PQ-28 DC input conditioning module. The PQ-28 has an extremely wide (10:1) input range of
11 to 100 VDC. The unit is rated up to 200 Watts and is housed in a compact 2.28" x 2.4" x 0.5"H package. The PQ-28 is designed to interface with the MIL-STD-1275,
28 VDC power bus and is designed to meet UL60950.

The PQ-28 is optimized for use with Calex DC/DC converters and is ideal as an ultra-wide input range front end or alternatively as a module for MIL-STD-1275 compliance.

The efficiency of the PQ-28 is 95%. The switching frequency of the PQ-28 is 200 kHz. Load regulation is typically 0.1%. The temperature coefficient of the PQ-28 is 150 ppm/C. The baseplate to pin isolation is 700VDC. The case operating temperature range of the PQ-28 is -40 to 100º C. The MTBF according to MIL-HDBK-217F is just over 170k hours. All units offer input reverse polarity protection as well as short circuit protection with auto restart. The PQ-28 is made in the USA and backed with Calex's Five Year Warranty.

The PQ-28 is available from stock to six weeks. Contact the factory for pricing. For more information on the PQ-28, go to www.calex.com/pdf/PQ.pdf or contact Calex at 800-542-3355/925-687-4411 (phone), 925-687-3333 (fax), sales@calex.com. Calex's corporate headquarters are located at 2401 Stanwell Drive, Concord, CA 94520 USA.

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