TPS7H1121-SP

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

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Datenblatt

document-pdfAcrobat TPS7H1121-SP and TPS7H1121-SEP 2.25V to 14V Input, 2A, Radiation Hardened Low Dropout (LDO) Linear Regulator datasheet (Rev. C) (Englisch) PDF | HTML

TPS7H1121-SP

AKTIV

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Produktdetails

Rating

Space

Vin (max) (V)

14

Vin (min) (V)

2.25

Iout (max) (A)

2

Output options

Adjustable Output

Vout (max) (V)

13.2

Vout (min) (V)

0.6

Fixed output options (V)

0

Noise (µVrms)

4

PSRR at 100 KHz (dB)

45

Iq (typ) (mA)

10

Features

Adjustable current limit, Enable, Power good, Soft start

Thermal resistance θJA (°C/W)

30.5

Load capacitance (min) (µF)

6.8

Regulated outputs (#)

1

Accuracy (%)

1.5

Dropout voltage (Vdo) (typ) (mV)

400

Operating temperature range (°C)

-55 to 125

Radiation, SEL (MeV·cm2/mg)

75

Radiation, TID (typ) (krad)

100

Rating

Space

Vin (max) (V)

14

Vin (min) (V)

2.25

Iout (max) (A)

2

Output options

Adjustable Output

Vout (max) (V)

13.2

Vout (min) (V)

0.6

Fixed output options (V)

0

Noise (µVrms)

4

PSRR at 100 KHz (dB)

45

Iq (typ) (mA)

10

Features

Adjustable current limit, Enable, Power good, Soft start

Thermal resistance θJA (°C/W)

30.5

Load capacitance (min) (µF)

6.8

Regulated outputs (#)

1

Accuracy (%)

1.5

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 mm × 9.696 mm)

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. The device 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. The device 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.

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Top-Dokumentation	Typ	Titel	Format-Optionen		Datum
*	Datenblatt	TPS7H1121-SP and TPS7H1121-SEP 2.25V to 14V Input, 2A, Radiation Hardened Low Dropout (LDO) Linear Regulator datasheet (Rev. C)	PDF \| HTML	03.11.2025
*	Strahlungs- und Zuverlässigkeitsbericht	TPS7H1121-SP Total Ionizing Dose (TID) Radiation Report (Rev. A)		13.02.2026
*	Strahlungs- und Zuverlässigkeitsbericht	TPS7H1121-SP Neutron Displacement Damage (NDD) Characterization Report	PDF \| HTML	19.09.2024
*	Strahlungs- und Zuverlässigkeitsbericht	TPS7H1121-SP Single-Event Effects (SEE)	PDF \| HTML	18.09.2024
*	SMD	TPS7H1121-SP SMD 5962-23203		16.12.2024
	Whitepaper	IC Sourcing for Space: Pros and Cons of Up-screening COTS Versus Space Enhanced Products (SEP)	PDF \| HTML	28.07.2026
	Anwendungshinweis	Highly Scalable Space Motor Control Platform based on TI’s Space Enhanced Products (-SEP) and Space Products	PDF \| HTML	08.06.2026
	Auswahlhilfe	TI Space Products (Rev. L)		27.03.2026
	Anwendungshinweis	Hermetic Package Reflow Profiles, Termination Finishes, and Lead Trim and Form (Rev. A)	PDF \| HTML	05.11.2025
	Application brief	DLA Approved Optimizations for QML Products (Rev. C)	PDF \| HTML	17.06.2025
	Anwendungshinweis	Heavy Ion Orbital Environment Single-Event Effects Estimations (Rev. B)	PDF \| HTML	10.06.2025
	Weitere Dokumente	TI Engineering Evaluation Units vs. MIL-PRF-38535 QML Class V Processing (Rev. B)		20.02.2025
	Zertifikat	TPS7H1121EVM-CVAL EU Declaration of Conformity (DoC)		05.04.2024
	Anwendungshinweis	QML flow, its importance, and obtaining lot information (Rev. C)		30.08.2023
	Anwendungshinweis	Single-Event Effects Confidence Interval Calculations (Rev. A)	PDF \| HTML	19.10.2022
	Anwendungshinweis	DLA Standard Microcircuit Drawings (SMD) and JAN Part Numbers Primer		21.08.2020
	E-book	Radiation Handbook for Electronics (Rev. A)		21.05.2019

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TPS7H1121EVM-CVAL — TPS7H1121-SP – Evaluierungsmodul

Das TPS7H1121EVM-CVAL demonstriert den Betrieb eines einzelnen TPS7H1121-SP LDO-Reglers. Die Platine bietet Stellflächen, die mit zusätzlichen Komponenten bestückt werden können, um das Testen benutzerdefinierter Konfigurationen zu ermöglichen. Dazu kommen Prüfpunkte und SMA-Anschlüsse zur (...)

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TPS7H1121-SP

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

TPS7H1121-SP

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