TPS7H4002-SP Datasheet | Texas Instruments

Features - Radiation performance: - Radiation-hardness-assured up to TID 100 krad(Si) - SEL, SEB, and SEGR immune to LET = 75 Me V-cm2/mg - SET and SEFI characterized up to LET = 75 Me V-cm2/mg - Peak efficiency: 96.9% (VO = 2.5 V) - Integrated 50-mΩ and 35-mΩ MOSFETs - Power rail: 3 to 5.5 V on VIN - 3-A maximum output current - Flexible switching frequency options: - 100-k Hz to 1-MHz adjustable internal oscillator - External sync capability: 100 k Hz to 1 MHz - SYNC pin can be configured as a 500-k Hz output for primary-secondary applications - 0.807-V ±1.5% voltage reference over temperature, radiation, and line and load regulation - Monotonic start-up into prebiased outputs - Adjustable soft start through external capacitor - Input enable and power-good output for power sequencing - Power good output monitor for undervoltage and overvoltage - Adjustable input undervoltage lockout (UVLO) - 20-pin ultra-small, thermally-enhanced ceramic flatpack package (HKH) for space applications R1 R2 PVIN VIN PWRGD PH VSENSE EN TPS7H4002-SP REFCAP CSS RT C2 SS/TR RT P R3 C1 PGND GND THERMAL PAD VOUT L COUT D RTOP RBOTTOM 470 n F Functional Diagram 2 Applications - Space satellite point of load supply for FPGAs, microcontrollers, data converters, and...