TPS7H1101A-SP 1.5-V to 7-V Input, 3-A, Radiation-Hardened LDO Regulator

1 Features

5962R13202⁽¹⁾:
- Radiation hardness assurance (RHA) qualified up to total ionizing dose (TID) 100 krad(Si)
- ELDRS-free: 100 krad(Si)
- Dose rate: 10 mrad(Si)/s
- Single event latch-up (SEL) immune to
  LET = 85 MeV-cm²/mg
- SEB and SEGR immune to
  LET = 85 MeV-cm²/mg
- SET/SEFI onset threshold > 40 MeV-cm²/mg⁽²⁾
  - Specifically designed to always upset low to avoid damage to critical downstream component
- SET/SEFI cross-section plot⁽²⁾
Ultra-low V_IN range: 1.5 V to 7 V
3-A maximum output current
Current share/parallel operation to provide up to 6-A output current
Stable with ceramic output capacitor
±2% accuracy over line, load, and temperature
Programmable soft start through external capacitor
Input enable across all input voltages and power-good output for power sequencing
Ultra-low dropout LDO voltage:
62 mV at 1 A (25°C), V_OUT = 1.8 V
Low noise:
20.33 µVRMS, V_IN = 2 V, V_OUT = 1.8 V at 3 A
PSRR: over 45 dB at 1 kHz
Excellent load/line transient response
Foldback current limit
See the Design and development tab
Thermally-enhanced CFP package, 0.4° C/W R_θJC

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