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



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 Load capacitance (Min) (µF) 22 Rating Space 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 open-in-new Find other Linear regulators (LDO)

Package | Pins | Size

CFP (HKR) 16 - open-in-new Find other Linear regulators (LDO)


  • 5962R13202:
    • Radiation Hardness Assurance (RHA): Up to TID 100 krad (Si)
    • Total Ionizing Dose: 100 krad (Si)
    • ELDRS-Free: 100 krad (Si)
    • Dose Rate: 10 mrad (Si)/s
    • Single Event Latchup (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, See Radiation Report (SNAA257) for Details
      • Specifically Designed to Always Upset Low to Avoid Damage to Critical Downstream Component
    • SET/SEFI Cross-Section Plot, See Radiation Report (SNAA257) for Details
  • 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 Tools & Software Tab
  • Thermally-Enhanced CFP Package (0.6°C/W RθJC)

All trademarks are the property of their respective owners.

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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.

open-in-new Find other Linear regulators (LDO)

Technical documentation

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Type Title Date
* Datasheet TPS7H1101A-SP 1.5-V to 7-V Input, 3-A, Radiation-Hardened LDO Regulator datasheet (Rev. A) Aug. 14, 2017
Radiation & Reliability reports Heavy Ion Orbital Environment Single-Event Effects Estimations May 18, 2020
Application notes Failure Containment in Spacecraft Point-of-Load Power Supplies Apr. 30, 2020
Radiation & Reliability reports TPS7H1101A-SP Total Ionizing Dose (TID) Radiation Report Feb. 20, 2020
Technical articles 4 trends in space-grade power management in 2020 Feb. 12, 2020
Radiation & Reliability reports Single-Event Effects Confidence Interval Calculations Jan. 14, 2020
Radiation & Reliability reports Single-Event Effects Test Report of the TPS7H1101A-SP LDO Jul. 15, 2019
More literature TI Engineering Evaluation Units vs. MIL-PRF-38535 QML Class V Processing Jun. 17, 2019
More literature Preview: Radiation Handbook for Electronics (Rev. A) Jun. 07, 2019
Solution guides Radiation Handbook for Electronics (Rev. A) May 21, 2019
Selection guides TI Space Products (Rev. G) May 15, 2019
Technical articles When failure isn’t an option: power up your next satellite with integrated functionality and protection Apr. 29, 2019
More literature TPS7H1101-SP-SMD-5962-13202 Mar. 15, 2019
User guides TSW12D1620EVM-CVAL User's Guide (Rev. A) Jan. 29, 2019
Technical articles LDO basics: capacitor vs. capacitance Aug. 01, 2018
Application notes Use of an LDO as a Load Switch for Space Applications Aug. 01, 2018
Application notes TI Space Rated Power Solution for Microsemi® RTG4™ FPGA (Rev. A) Jul. 27, 2018
Technical articles LDO Basics: Preventing reverse current Jul. 25, 2018
Application notes Conditional Stability in Feedback Systems Feb. 21, 2018
Radiation & Reliability reports TPS7H1101-SP Neutron Displacement Damage Characterization Report Oct. 23, 2017
User guides TPS7H1101SPEVM (Rev. A) Sep. 19, 2013

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

document-generic User guide

The ADC12DJ3200EVMCVAL is an evaluation module (EVM) that evaluates the ADC12DJ3200QML-SP device. ADC12DJ3200QML-SP is a space-grade, low-power, 12-bit, dual 3.2-GSPS/single 6.4-GSPS, RF-sampling analog-to-digital converter (ADC) with a buffered analog input, integrated digital down converter (...)

  • Flexible transformer-coupled analog input to allow for a variety of sources and frequencies
  • Easy-to-use software GUI to configure ADC12DJ3200QML-SP, LMX2582, and LMK04832 devices for a variety of configurations through a USB interface
  • Quickly evaluate ADC performance through high-speed data converter (...)
document-generic User guide

The TPS7H1101-SP is a Ultra Low Dropout (LDO) linear regulator that uses a PMOS pass element configuration. The techniques employed allow for very low dropout. With an improved circuitry the TPS7H1101 operates under wide range of input voltage, from 1.5 V to 7 V which enables 6-V IN to 5-V OUT or (...)

  • Wide Vin Range 1.5V – 7V
  • TPS7H1101-SP Low Dropout Voltage
  • 200 mV at 3 A (25°C)
    61 mV at 1 A (25°C)
  • Total Dose (TID) Tolererance = 100 kRad (Si)
  • SEL, SEB and SEGR Immune to LET = 85 MeV/mg/cm2
  • SET Immune (|dVOUT| < 5%) to LET = 85 MeV/mg/cm2
  • SEFI Immune to LET = TBD MeV/mg/cm2
  • Stable With Ceramic Output (...)
document-generic User guide

The TSW12D1620EVM-CVAL is a 1.5-GHz wideband receiver evaluation module (EVM) that includes ceramic engineering models of the amplifier, analog-to-digital converter (ADC), clocking, temperature sensor, microcontroller, and power solution. The board is best suited for (...)

  • Complete TI space-rated signal-chain and power wideband receiver solution
    • Wideband ADC12D1620QML-SP (12-bit, dual 3.2 GSPS or single 6.4 GSPS)
    • Wideband fully-differential amplifier LMH5401-SP (6.5-GHz bandwidth)
    • Remote-diode ADC temperature-monitoring TMP461-SP
    • Power management (TPS50601A-SP (...)
This is a development kit for the Xilinx® XQRKU060 FPGA with industrial -1 speed grade. ADA-SDEV-KIT2 has a modular board design with a XRTC-compatible configuration module, two FMC connectors, DDR3 DRAM, system monitoring, and space-grade TI power management and temperature-sensing solutions.

Design tools & simulation

SLVM901B.ZIP (695 KB) - PSpice Model
SLVMBT1.ZIP (20 KB) - TINA-TI Spice Model
SLVMDA6.ZIP (871 KB) - PSpice Model

CAD/CAE symbols

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CFP (HKR) 16 View options

Ordering & quality

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