International Rectifier Unveils Z Series DC Converters
International Rectifier Corp. (IR, El Segundo, CA) introduced the Z Series family of 1.5V, 2.5V and 3.3V, single-output dc-dc converters for geo-synchronous and low earth orbit satellite power systems. The new dc-dc converters employ synchronous output rectification and include the Z2801R5S, a 1.5V, 20A/30W device that delivers 79% efficiency. The new converters feature high radiation immunity, 100krad minimum total ionizing dose and single event effect with linear energy transfer of greater than 80MeV-mg-cm².
The components used in the Z Series converters are selected and de-rated per the requirements of MIL-STD-975 and MIL-STD-1547. The new devices are available unscreened and screened to Class K per MIL-PRF-38534. Prices begin at $3,500 each for engineering models.
