TPS7H1101-SP is not recommended for new designs.
This product continues to be in production to support existing customers. Please consider one of the
Drop-in replacement with upgraded functionality to the compared device.
TPS7H1101A-SP ACTIVE Radiation-hardened QMLV, 1.5-V to 7-V input, 3-A low-noise adjustable low-dropout (LDO) regulator The TPS7H1101A-SP is an improved version of the TPS7H1101-SP allowing the use of the enable feature across the entire input voltage range.

Product details

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  • 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 for Details
      • Specifically Designed to Always Upset Low to Avoid Damage to Critical Downstream Component
    • SET/SEFI Cross-Section Plot, See Radiation Report 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 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)
  • 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 for Details
      • Specifically Designed to Always Upset Low to Avoid Damage to Critical Downstream Component
    • SET/SEFI Cross-Section Plot, See Radiation Report 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 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)

The TPS7H1101-SP is a radiation-hardened LDO linear regulator that uses a PMOS pass element configuration. This device operates over a wide range of input voltage, from 1.5 V to 7 V while offering excellent PSRR. The TPS7H1101-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 TPS7H1101-SP provides enable on and off functionality, programmable SoftStart, current sharing capability, and a PowerGood open-drain output.

The TPS7H1101-SP is available in a thermally-enhanced 16-pin ceramic flatpack package (CFP).

The TPS7H1101-SP is a radiation-hardened LDO linear regulator that uses a PMOS pass element configuration. This device operates over a wide range of input voltage, from 1.5 V to 7 V while offering excellent PSRR. The TPS7H1101-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 TPS7H1101-SP provides enable on and off functionality, programmable SoftStart, current sharing capability, and a PowerGood open-drain output.

The TPS7H1101-SP is available in a thermally-enhanced 16-pin ceramic flatpack package (CFP).

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Technical documentation

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Type Title Date
* Data sheet TPS7H1101-SP 1.5-V to 7-V Input, 3-A, Radiation-Hardened Ultra-Low Dropout (LDO) Regulator datasheet (Rev. A) PDF | HTML 14 Feb 2017
* Radiation & reliability report TPS7H1101-SP Neutron Displacement Damage Characterization Report 23 Oct 2017
* Radiation & reliability report TPS7H1101‐SP TID and SEE Report (Rev. A) 27 Apr 2015
EVM User's guide TPS7H1101SPEVM User’s Guide (Rev. B) PDF | HTML 26 Oct 2020
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 PDF | HTML 18 May 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
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

Design & development

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

Evaluation board

TPS7H1101SPEVM — TPS7H1101SPEVM Evaluation Module

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 (...)

User guide: PDF | HTML
Not available on TI.com
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

TPS7H1101-SP TINA-TI Reference Design

SLVMBT2.ZIP (469 KB) - TINA-TI Reference Design
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CFP (HKR) 16 View options

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