LM2941QML-SP

ACTIVE

Radiation-hardened QMLV, 6-V to 26-V input, 1-A adjustable output linear regulator

LM2941QML-SP

ACTIVE

Product details

Output options Adjustable Output, Fixed Output Iout (max) (A) 1 Vin (max) (V) 26 Vin (min) (V) 6 Vout (max) (V) 20 Vout (min) (V) 5 Fixed output options (V) 0, 1.2 Rating Space Noise (µVrms) 600 PSRR at 100 KHz (dB) 67 Iq (typ) (mA) 10 Thermal resistance θJA (°C/W) 41 Load capacitance (min) (µF) 22 Regulated outputs (#) 1 Features Enable Accuracy (%) 5 Dropout voltage (Vdo) (typ) (mV) 500 Operating temperature range (°C) -55 to 125 Radiation, SEL (MeV·cm2/mg) Bipolar Radiation, TID (typ) (krad) 100
Output options Adjustable Output, Fixed Output Iout (max) (A) 1 Vin (max) (V) 26 Vin (min) (V) 6 Vout (max) (V) 20 Vout (min) (V) 5 Fixed output options (V) 0, 1.2 Rating Space Noise (µVrms) 600 PSRR at 100 KHz (dB) 67 Iq (typ) (mA) 10 Thermal resistance θJA (°C/W) 41 Load capacitance (min) (µF) 22 Regulated outputs (#) 1 Features Enable Accuracy (%) 5 Dropout voltage (Vdo) (typ) (mV) 500 Operating temperature range (°C) -55 to 125 Radiation, SEL (MeV·cm2/mg) Bipolar Radiation, TID (typ) (krad) 100
CFP (NAC) 16 62.9285 mm² 9.91 x 6.35 DIESALE (Y) See data sheet
  • Available with Radiation Ensure
    • ELDRS Free 100 krad(Si)
  • Output Voltage Adjustable from 5V to 20V
  • Dropout Voltage Typically 0.5V at IO = 1A
  • Output Current in Excess of 1A
  • Trimmed Reference Voltage
  • Reverse Battery Protection
  • Internal Short Circuit Current Limit
  • Mirror Image Insertion Protection
  • TTL, CMOS Compatible ON/OFF Switch

All trademarks are the property of their respective owners.

  • Available with Radiation Ensure
    • ELDRS Free 100 krad(Si)
  • Output Voltage Adjustable from 5V to 20V
  • Dropout Voltage Typically 0.5V at IO = 1A
  • Output Current in Excess of 1A
  • Trimmed Reference Voltage
  • Reverse Battery Protection
  • Internal Short Circuit Current Limit
  • Mirror Image Insertion Protection
  • TTL, CMOS Compatible ON/OFF Switch

All trademarks are the property of their respective owners.

The LM2941 positive voltage regulator features the ability to source 1A of output current with a typical dropout voltage of 0.5V and a maximum of 1V over the entire temperature range. Furthermore, a quiescent current reduction circuit has been included which reduces the ground pin current when the differential between the input voltage and the output voltage exceeds approximately 3V. The quiescent current with 1A of output current and an input-output differential of 5V is therefore only 30mA. Higher quiescent currents only exist when the regulator is in the dropout mode (VI − VO ≤ 3V).

Originally designed for vehicular applications, the LM2941 and all regulated circuitry are protected from reverse battery installations or two-battery jumps. During line transients, such as load dump when the input voltage can momentarily exceed the specified maximum operating voltage, the regulator will automatically shut down to protect both the internal circuits and the load. Familiar regulator features such as short circuit and thermal overload protection are also provided.

The LM2941 positive voltage regulator features the ability to source 1A of output current with a typical dropout voltage of 0.5V and a maximum of 1V over the entire temperature range. Furthermore, a quiescent current reduction circuit has been included which reduces the ground pin current when the differential between the input voltage and the output voltage exceeds approximately 3V. The quiescent current with 1A of output current and an input-output differential of 5V is therefore only 30mA. Higher quiescent currents only exist when the regulator is in the dropout mode (VI − VO ≤ 3V).

Originally designed for vehicular applications, the LM2941 and all regulated circuitry are protected from reverse battery installations or two-battery jumps. During line transients, such as load dump when the input voltage can momentarily exceed the specified maximum operating voltage, the regulator will automatically shut down to protect both the internal circuits and the load. Familiar regulator features such as short circuit and thermal overload protection are also provided.

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Technical documentation

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Type Title Date
* Data sheet LM2941QML 1A Low Dropout Adjustable Regulator datasheet (Rev. B) 22 Apr 2013
* Radiation & reliability report LM2941QML-SP Neutron Displacement Damage (NDD) Characterization Report 29 Oct 2021
* SMD LM2941QML-SP SMD 5962-91667 21 Jun 2016
* Radiation & reliability report LM2941WGRLQMLV ELDRS Report 11 May 2012
Application brief DLA Approved Optimizations for QML Products (Rev. B) PDF | HTML 23 Oct 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 Single-Event Effects Confidence Interval Calculations (Rev. A) PDF | HTML 19 Oct 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
Application note Use of an LDO as a Load Switch for Space Applications 01 Aug 2018

Design & development

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CFP (NAC) 16 Ultra Librarian
DIESALE (Y)

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