Rad hard 17.1 V buck controller with integrated gate drivers RIC70847 is a rad hard synchronous buck controller designed for harsh environments, such as space applications. It features integrated gate drivers and is specified for operation up to 100 krad(Si) total ionizing dose and single event effects (SEE) up to 81.9 MeV·cm²/mg linear energy transfer. RIC70847 is now DLA Qualified to MIL‑PRF‑38535, delivering highest‑reliability performance for mission‑critical space power applications.