TPS50601A-SP Radiation Hardened 3-V to 7-V Input, 6-A Synchronous Buck Converter

1 Features

• 5962-10221:
  • Radiation hardened up to TID 100 krad(Si)
  • ELDRS free 100 krad(Si) – 10 mrad(Si)/s
  • Single lhup (SEL) Immune to
    LET = 75 MeV-cm²/mg
  • SEB and SEGR immune to 75 MeV-cm²/mg, SOA Curve Available
  • SET/SEFI Cross-section plot available
• peak efficiency: 96.6% (V_O = 3.3 V)
• Integrated 58-mΩ/50-mΩ MOSFETs
• Power rail: 3 to 7 V on VIN
• 6-A Maximum output current
• Flexible switching frequency options:
  • 100-kHz to 1-MHz Adjustable internal oscillator
  • External sync capability: 100 kHz to 1 MHz
  • Sync pin can be configured as a 500-kHz output for master/slave applications
• 0.804-V ±1.5% Voltage reference overtemperature, 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

Efficiency at VIN = PVIN = 5 V

2 Applications

• Space satellite point of load supply for FPGAs, microcontrollers, data converters and ASICs
• Space satellite payloads
• Radiation hardened applications
• Available in military (–55°C to 125°C) temperature range
• Engineering evaluation (/EM) Samples are available