1.5 -7V Input, 3 Amp, Ultra Low Dropout Regulator

TPS7H1101-SP is not recommended for new designs
Although this product continues to be in production to support previous designs, we don't recommend it for new designs. Consider one of these alternates:
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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

Output options Adjustable Output Iout (max) (A) 3 Vin (max) (V) 7 Vin (min) (V) 1.5 Vout (max) (V) 6.8 Vout (min) (V) 0.8 Noise (µVrms) 20.33 Iq (typ) (mA) 7 Rating Space Load capacitance (min) (µF) 22 Regulated outputs (#) 1 Features Enable, Foldback Overcurrent protection, Power good, Soft start Accuracy (%) 2 PSRR at 100 KHz (dB) 25 Dropout voltage (Vdo) (typ) (mV) 60 Operating temperature range (°C) -55 to 125
Output options Adjustable Output Iout (max) (A) 3 Vin (max) (V) 7 Vin (min) (V) 1.5 Vout (max) (V) 6.8 Vout (min) (V) 0.8 Noise (µVrms) 20.33 Iq (typ) (mA) 7 Rating Space Load capacitance (min) (µF) 22 Regulated outputs (#) 1 Features Enable, Foldback Overcurrent protection, Power good, Soft start Accuracy (%) 2 PSRR at 100 KHz (dB) 25 Dropout voltage (Vdo) (typ) (mV) 60 Operating temperature range (°C) -55 to 125
CFP (HKR) 16 105.6 mm² 11 x 9.6
  • 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 Total Ionizing Dose (TID) 04 Nov 2022
* 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
More literature TI Engineering Evaluation Units vs. MIL-PRF-38535 QML Class V Processing (Rev. A) 31 Aug 2023
Application note TI Space Rated Power Solution for Microsemi® RTG4™ FPGA (Rev. B) PDF | HTML 19 Jan 2023
Application note Heavy Ion Orbital Environment Single-Event Effects Estimations (Rev. A) PDF | HTML 17 Nov 2022
Application note Single-Event Effects Confidence Interval Calculations (Rev. A) PDF | HTML 19 Oct 2022
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 Hermetic Package Reflow Profiles, Termination Finishes, and Lead Trim and Form PDF | HTML 18 May 2020
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

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 Reference Design

SLVMBT2.ZIP (469 KB) - TINA-TI Reference Design
Simulation model

TPS7H1101-SP TINA-TI Spice Model

SLVMBT1.ZIP (20 KB) - TINA-TI Spice Model
Package Pins Download
CFP (HKR) 16 View options

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