Home Power management Linear & low-dropout (LDO) regulators
Home
Power management
Linear & low-dropout (LDO) regulators
NEW

TPS7H1121-SP

ACTIVE

Radiation-hardened, QMLV and QMLP, 2.25V to 14V input, 2A low-dropout (LDO) regulator

Order now
Data sheet

TPS7H1121-SP

ACTIVE
Data sheet Order now

Product details

Output options Adjustable Output Iout (max) (A) 2 Vin (max) (V) 14 Vin (min) (V) 2.25 Vout (max) (V) 13.2 Vout (min) (V) 0.6 Fixed output options (V) 0 Noise (µVrms) 4 Iq (typ) (mA) 10 Thermal resistance θJA (°C/W) 30.5 Rating Space Load capacitance (min) (µF) 6.8 Regulated outputs (#) 1 Features Adjustable current limit, Enable, Power good, Soft start Accuracy (%) 1.5 PSRR at 100 KHz (dB) 45 Dropout voltage (Vdo) (typ) (mV) 400 Operating temperature range (°C) -55 to 125 Radiation, SEL (MeV·cm2/mg) 75 Radiation, TID (typ) (krad) 100
Output options Adjustable Output Iout (max) (A) 2 Vin (max) (V) 14 Vin (min) (V) 2.25 Vout (max) (V) 13.2 Vout (min) (V) 0.6 Fixed output options (V) 0 Noise (µVrms) 4 Iq (typ) (mA) 10 Thermal resistance θJA (°C/W) 30.5 Rating Space Load capacitance (min) (µF) 6.8 Regulated outputs (#) 1 Features Adjustable current limit, Enable, Power good, Soft start Accuracy (%) 1.5 PSRR at 100 KHz (dB) 45 Dropout voltage (Vdo) (typ) (mV) 400 Operating temperature range (°C) -55 to 125 Radiation, SEL (MeV·cm2/mg) 75 Radiation, TID (typ) (krad) 100
CFP (HFT) 22 60.221856 mm² 6.211 x 9.696
  • Total Ionizing Dose radiation characterized:

    • Radiation hardness assurance (RHA) availability of 100krad(Si) or 50krad(Si)

  • Single-Event Effects (SEE) Characterized
    • Single-event latch-up (SEL), single-event burnout (SEB), and single-event gate rupture (SEGR) immune to linear energy transfer (LET) = 75MeV-cm2/mg
    • Single-event functional interrupt (SEFI) characterized to LET = 75MeV-cm2/mg
    • Single-event transient (SET) characterized to LET = 75MeV-cm2/mg
  • Wide VIN range: 2.25V to 14V
  • 2A maximum output current
  • ±1.5% accuracy VIN > 3V over load, and temperature
  • ±1.8% accuracy VIN < 3V over load, and temperature
  • Soft start (SS) control through an external capacitor
  • Open-drain power good (PG) output for power sequencing
  • Programmable current limit through an external resistor (CL)
  • Optional external control loop compensation utilizing the STAB pin
  • Excellent load and line transient response
  • Plastic packages out gas tested per ASTM E595
  • Military (–55°C to 125°C) temperature range
  • Total Ionizing Dose radiation characterized:

    • Radiation hardness assurance (RHA) availability of 100krad(Si) or 50krad(Si)

  • Single-Event Effects (SEE) Characterized
    • Single-event latch-up (SEL), single-event burnout (SEB), and single-event gate rupture (SEGR) immune to linear energy transfer (LET) = 75MeV-cm2/mg
    • Single-event functional interrupt (SEFI) characterized to LET = 75MeV-cm2/mg
    • Single-event transient (SET) characterized to LET = 75MeV-cm2/mg
  • Wide VIN range: 2.25V to 14V
  • 2A maximum output current
  • ±1.5% accuracy VIN > 3V over load, and temperature
  • ±1.8% accuracy VIN < 3V over load, and temperature
  • Soft start (SS) control through an external capacitor
  • Open-drain power good (PG) output for power sequencing
  • Programmable current limit through an external resistor (CL)
  • Optional external control loop compensation utilizing the STAB pin
  • Excellent load and line transient response
  • Plastic packages out gas tested per ASTM E595
  • Military (–55°C to 125°C) temperature range

The TPS7H1121 is a radiation-hardened, low dropout linear regulator (LDO) which operates over a wide input voltage range and is optimized for powering devices in a space environment. It is capable of sourcing up to 2A over a 2.25V to 14V input.

The device offers excellent stability and features a programmable current limit with a wide adjustment range. To support the complex power requirements of FPGAs, DSPs, and microcontrollers, the TPS7H1121 provides enable on and off functionality, programmable soft start, and a power good open-drain output.

The TPS7H1121 is a radiation-hardened, low dropout linear regulator (LDO) which operates over a wide input voltage range and is optimized for powering devices in a space environment. It is capable of sourcing up to 2A over a 2.25V to 14V input.

The device offers excellent stability and features a programmable current limit with a wide adjustment range. To support the complex power requirements of FPGAs, DSPs, and microcontrollers, the TPS7H1121 provides enable on and off functionality, programmable soft start, and a power good open-drain output.
filter Find other Linear & low-dropout (LDO) regulators
Download View video with transcript Video

Similar products you might be interested in

open-in-new Compare alternates
Similar functionality to the compared device
TPS7H1111-SP ACTIVE Radiation-hardened, QMLV and QMLP, 1.5A ultra-low-noise high-PSRR low-dropout (LDO) regulator QMLV high-performance LDO with lower noise, higher PSRR

Technical documentation

star =Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 14
Type Title Date
* Data sheet TPS7H1121-SP 2.25V to 14V Input, 2A, Radiation Hardened Low Dropout (LDO) Linear Regulator datasheet (Rev. A) PDF | HTML 24 Sep 2024
* Radiation & reliability report TPS7H1121-SP Neutron Displacement Damage (NDD) Characterization Report PDF | HTML 19 Sep 2024
* Radiation & reliability report TPS7H1121-SP Total Ionizing Dose (TID) Radiation Report PDF | HTML 19 Sep 2024
* Radiation & reliability report TPS7H1121-SP Single-Event Effects (SEE) PDF | HTML 18 Sep 2024
Application brief DLA Approved Optimizations for QML Products (Rev. A) PDF | HTML 05 Jun 2024
EVM User's guide TPS7H1121EVM-CVAL Evaluation Module User's Guide (Rev. A) PDF | HTML 17 May 2024
Certificate TPS7H1121EVM-CVAL EU Declaration of Conformity (DoC) 05 Apr 2024
Selection guide TI Space Products (Rev. J) 12 Feb 2024
More literature TI Engineering Evaluation Units vs. MIL-PRF-38535 QML Class V Processing (Rev. A) 31 Aug 2023
Application note QML flow, its importance, and obtaining lot information (Rev. C) 30 Aug 2023
Application note Heavy Ion Orbital Environment Single-Event Effects Estimations (Rev. A) PDF | HTML 17 Nov 2022
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

Design & development

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

Evaluation board

TPS7H1121EVM-CVAL — TPS7H1121-SP evaluation module

The TPS7H1121EVM-CVAL demonstrates the operation of a single TPS7H1121-SP LDO regulator. The board provides footprints that can be populated with additional components to allow for testing of customized configurations, as well as test points and SMA connectors for easy performance validation.
User guide: PDF | HTML
Not available on TI.com
Package Pins CAD symbols, footprints & 3D models
CFP (HFT) 22 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
Information included:
  • Fab location
  • Assembly location

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

Support & training

TI E2E™ forums with technical support from TI engineers

View all forum topics

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos