EE Product News

DC/DC Converter Family Offers Five Output Voltages

Output voltages of 3.3, 5, 12, 15, or 24 Vdc at up to 20A are provided in the QH series of single-output dc/dc converters. Each is housed in the industry-standard 1.45'' x 2.28'' x 0.52'' 1/4 brick package. Outputs on all versions are fully isolated from the inputs to permit the outputs to be used with either positive or negative voltages and various grounding options. Nominal input voltage options are 24V (18V to 36V) and 48V (36V to 75V). All versions switch at 360 kHz and output voltage accuracy is ±1%. Line and load regulation are 0.01% and 0.02%, respectively. Output noise is a minimum of 30 mVpk-pk measured over a bandwidth of 20 MHz. All models offer pulse-by-pulse current limiting and dead short current limiting. Additional protection is in the form of input overvoltage protection and thermal shutdown. The converters can be turned on and off remotely. MTBF is rated at greater than 1,000,000 hours. Price is $68.60 each in 1,000 piece quantities. For more information, contact CALEX MANUFACTURING CO. , Concord, CA. (800) 542-3355.


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