1 Features
• Total ionizing dose (TID) characterized
– Radiation hardness assurance (RHA) availability of up to 100krad(Si)
• Single-Event Effects (SEE) characterized
– Single-event latchup (SEL), single-event burnout (SEB), and single-event gate rupture (SEGR) immune up to linear energy transfer (LET) = 75MeV-cm2/mg
– Single-event functional interrupt (SEFI) and single-event transient (SET) characterized up to LET = 75MeV-cm2/mg
• Input voltage range from 4.5V to 14V
• 6A (TPS7H4012) or 3A (TPS7H4013) maximum output current
• High efficiency (typical values for VIN = 12V, VOUT = 3.3V, fSW = 500kHz)
– 88% at 1A
– 92% at 3A
– 91% at 6A
• Integrated 33mΩ (HS) and 27mΩ (LS) MOSFETs (typ at 12V)
• Flexible switching frequency options:
– 100kHz to 1MHz, accurate (±15% or better), adjustable internal oscillator
– 100kHz to 1MHz external sync capability
• 0.6V ± 0.83% voltage reference over line, temperature, and radiation
• Supports 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
• Supports inverting buck-boost topology
• Plastic packages outgas tested per ASTM E595
• Available in military (–55°C to 125°C) temperature range