Product Summary

The PKA2231PI is a 25–40 W DC/DC Power Module. The PKA2231PI is especially designed for decentralized 24/28 Vdc system distributed onboard DC/DC coverters. By using a thickfilm thecknology, which provides a high degree of intergration as well as efficient thermal management, and by utilizing a 300 kHz switching frequency, the highly reliable PKA2231PI complies to demanding applications within Input to output isolation is 500 Vdc . Mechanical ruggedness–in conformance with IEC 68-2 - is close to requirements for discrete components. Extreme temperature conditions can be met since the converters can operate with full output power in ambient temperatures ranging from –45 to +85℃ or up to +115℃ case temperature, making the PKA2231PI ideal also for applications within various non-controlled environments.

Parametrics

PKA2231PI absolute maximum ratings: (1)TC, Case temperature: –45 to +115℃; (2)TS, Storage temperature: –55 to +125℃; (3)VI, Input voltage: -0.5 to 36 Vdc; (4)VISO, Isolation voltage (input to output test voltage): 500Vdc; (5)Transient input energy @ TA = +25℃: 1.3Ws; (6)VRC, Remote control voltage (pin 9): 0 to 5V; (7)Vadj, Output adjust voltage (pin 10): 0V to VO.

Features

PKA2231PI features: (1)Single, dual and triple output; (2)500 V dc isolation voltage; (3)MTBF >2 million hours @75℃ case temperature; (4)Complete, no extra filters or heatsinks required.

Diagrams

PKA2231PI Fundamental circuit diagram