DC/DC input power conditioning module features wide input range
Calex Mfg. Co., Inc. announced the availability of the PQ-28 DC input conditioning module. The module offers a wide (10:1) input range of 11 V to 100 VDC. The unit is rated up to 200 Watts and is housed in a 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. It is optimized for use with Calex DC/DC converters and is appropriate 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 percent; switching frequency is 200 kHz; load regulation is typically 0.1 percent; the temperature coefficient is 150 ppm/C; baseplate to pin isolation is 700 VDC; the case operating temperature range is -40 to 100C; and 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.
Calex Mfg. Co., Inc.
800-542-3355, www.calex.com