Radiation-hardness-assured (RHA), 1.5-V to 7-V input, 3-A low-noise low-dropout (LDO) regulator

TPS7H1101A-SP

ACTIVE

Product details

Output options Adjustable Output Iout (Max) (A) 3 Vin (Max) (V) 7 Vin (Min) (V) 1.5 Vout (Max) (V) 6.65 Vout (Min) (V) 0.8 Fixed output options (V) 0 Noise (uVrms) 20 Iq (Typ) (mA) 7 Thermal resistance θJA (°C/W) 75.4 Rating Space Load capacitance (Min) (µF) 22 Regulated outputs (#) 1 Features Enable, Soft Start, Power Good, Adjustable Current Limit, Current Sense Accuracy (%) 2 PSRR @ 100 KHz (dB) 25 Dropout voltage (Vdo) (Typ) (mV) 210 Operating temperature range (C) -55 to 125, 25 to 25 Radiation, SEL (MeV.cm2/mg) 85 Radiation, TID (Typ) (krad) 100
Output options Adjustable Output Iout (Max) (A) 3 Vin (Max) (V) 7 Vin (Min) (V) 1.5 Vout (Max) (V) 6.65 Vout (Min) (V) 0.8 Fixed output options (V) 0 Noise (uVrms) 20 Iq (Typ) (mA) 7 Thermal resistance θJA (°C/W) 75.4 Rating Space Load capacitance (Min) (µF) 22 Regulated outputs (#) 1 Features Enable, Soft Start, Power Good, Adjustable Current Limit, Current Sense Accuracy (%) 2 PSRR @ 100 KHz (dB) 25 Dropout voltage (Vdo) (Typ) (mV) 210 Operating temperature range (C) -55 to 125, 25 to 25 Radiation, SEL (MeV.cm2/mg) 85 Radiation, TID (Typ) (krad) 100
CFP (HKR) 16 106 mm² 11 x 9.6
  • 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 VIN 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), VOUT = 1.8 V
  • Low noise: 20.33 µVRMS, VIN = 2 V, VOUT = 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 RθJC
  • 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 VIN 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), VOUT = 1.8 V
  • Low noise: 20.33 µVRMS, VIN = 2 V, VOUT = 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 RθJC

The TPS7H1101A-SP is an improved version of the TPS7H1101-SP allowing the use of the enable feature across the entire input voltage range. It is a radiation-hardened LDO linear regulator that uses a PMOS pass element configuration. It operates over a wide range of input voltage, from 1.5 V to 7 V while offering excellent PSRR. The TPS7H1101A-SP features a precise and programmable foldback current limit implementation with a very-wide adjustment range. To support the complex power requirements of FPGAs, DSPs, or microcontrollers, the TPS7H1101A-SP provides enable on and off functionality, programmable soft start, current sharing capability, and a Power Good open-drain output.

The TPS7H1101A-SP is an improved version of the TPS7H1101-SP allowing the use of the enable feature across the entire input voltage range. It is a radiation-hardened LDO linear regulator that uses a PMOS pass element configuration. It operates over a wide range of input voltage, from 1.5 V to 7 V while offering excellent PSRR. The TPS7H1101A-SP features a precise and programmable foldback current limit implementation with a very-wide adjustment range. To support the complex power requirements of FPGAs, DSPs, or microcontrollers, the TPS7H1101A-SP provides enable on and off functionality, programmable soft start, current sharing capability, and a Power Good open-drain output.

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Technical documentation

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Type Title Date
* Data sheet TPS7H1101A-SP 1.5-V to 7-V Input, 3-A, Radiation-Hardened LDO Regulator datasheet (Rev. C) 07 Apr 2021
* Radiation & reliability report TPS7H1101A-SP Neutron Displacement Damage (NDD) Characterization 31 May 2021
* SMD TPS7H1101A-SP SMD 5962-13202 10 Aug 2020
* Radiation & reliability report TPS7H1101A-SP Total Ionizing Dose (TID) Radiation Report 20 Feb 2020
* Radiation & reliability report Single-Event Effects Test Report of the TPS7H1101A-SP LDO 15 Jul 2019
Technical article How to choose the right LDO for your satellite application 09 Apr 2021
Selection guide TI Space Products (Rev. H) 27 Jan 2021
Application note DLA Standard Microcircuit Drawings (SMD) and JAN Part Numbers Primer 21 Aug 2020
Application note Heavy Ion Orbital Environment Single-Event Effects Estimations 18 May 2020
Application note Hermetic Package Reflow Profiles, Termination Finishes, and Lead Trim and Form 18 May 2020
Application note Failure Containment in Spacecraft Point-of-Load Power Supplies 30 Apr 2020
Technical article 4 trends in space-grade power management in 2020 12 Feb 2020
Application note Single-Event Effects Confidence Interval Calculations 14 Jan 2020
More literature TI Engineering Evaluation Units vs. MIL-PRF-38535 QML Class V Processing 17 Jun 2019
E-book Radiation Handbook for Electronics (Rev. A) 21 May 2019
Technical article When failure isn’t an option: power up your next satellite with integrated functionality and protection 30 Apr 2019
User guide TSW12D1620EVM-CVAL User's Guide (Rev. A) 29 Jan 2019
Application note Use of an LDO as a Load Switch for Space Applications 01 Aug 2018
Application note TI Space Rated Power Solution for Microsemi® RTG4™ FPGA (Rev. A) 27 Jul 2018
Application note Conditional Stability in Feedback Systems 21 Feb 2018

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Simulation model

TPS7H1101 PSpice Transient Model (Rev. B)

SLVM901B.ZIP (695 KB) - PSpice Model
Simulation model

TPS7H1101-SP TINA-TI Spice Model

SLVMBT1.ZIP (20 KB) - TINA-TI Spice Model
Simulation model

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SLVMDA6B.ZIP (46 KB) - PSpice Model
Simulation model

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SLVMDL4.ZIP (69 KB) - PSpice Model
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