Radiation performance: Radiation-hardness-assured up to TID 100 krad(Si) SEL, SEB, and SEGR immune to LET = 75 MeV-cm2/mg SET and SEFI characterized up to LET = 75 MeV-cm2/mg Peak efficiency: 95.5% (VO= 1 V at 100 kHz) Integrated 22-mΩ and 17-mΩ MOSFETs Power rail: 3 V to 7 V on VIN Flexible switching frequency options: 100-kHz to 1-MHz adjustable internal oscillator External sync capability: 100-kHz to 1-MHz SYNC pins can be configured as 500-kHz clocks at 90° out of phase to parallel up to 4 devices 0.6-V ±1.5% voltage reference over temperature, radiation, and line and load regulation Monotonic start-up into prebiased outputs Adjustable slope compensation and soft-start Adjustable input enable and power-good output for power sequencing Power-good output monitor for undervoltage and overvoltage 34-pin, thermally-enhanced ceramic flatpack package (HKY) for space applications