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LM2941QML-SP

ACTIVO

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

Detalles del producto

Rating Space Vin (max) (V) 26 Vin (min) (V) 6 Iout (max) (A) 1 Output options Adjustable Output, Fixed Output Vout (max) (V) 20 Vout (min) (V) 5 Fixed output options (V) 0, 1.2 Noise (µVrms) 600 PSRR at 100 KHz (dB) 67 Iq (typ) (mA) 10 Features Enable Thermal resistance θJA (°C/W) 41 Load capacitance (min) (µF) 22 Regulated outputs (#) 1 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
Rating Space Vin (max) (V) 26 Vin (min) (V) 6 Iout (max) (A) 1 Output options Adjustable Output, Fixed Output Vout (max) (V) 20 Vout (min) (V) 5 Fixed output options (V) 0, 1.2 Noise (µVrms) 600 PSRR at 100 KHz (dB) 67 Iq (typ) (mA) 10 Features Enable Thermal resistance θJA (°C/W) 41 Load capacitance (min) (µF) 22 Regulated outputs (#) 1 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 (— mm × — mm) 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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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos LM2941QML 1A Low Dropout Adjustable Regulator datasheet (Rev. B) 22/04/2013
* Informe de radiación y confiabilidad LM2941QML-SP Neutron Displacement Damage (NDD) Characterization Report 29/10/2021
* Informe de radiación y confiabilidad LM2941WGRLQMLV ELDRS Report 11/05/2012
* SMD LM2941QML-SP SMD 5962-91667 21/06/2016
Guía de selección TI Space Products (Rev. L) 27/03/2026
Nota sobre la aplicación Hermetic Package Reflow Profiles, Termination Finishes, and Lead Trim and Form (Rev. A) PDF | HTML 5/11/2025
Application brief DLA Approved Optimizations for QML Products (Rev. C) PDF | HTML 17/06/2025
Nota sobre la aplicación Heavy Ion Orbital Environment Single-Event Effects Estimations (Rev. B) PDF | HTML 10/06/2025
Más documentación TI Engineering Evaluation Units vs. MIL-PRF-38535 QML Class V Processing (Rev. B) 20/02/2025
Nota sobre la aplicación QML flow, its importance, and obtaining lot information (Rev. C) 30/08/2023
Nota sobre la aplicación Single-Event Effects Confidence Interval Calculations (Rev. A) PDF | HTML 19/10/2022
Nota sobre la aplicación DLA Standard Microcircuit Drawings (SMD) and JAN Part Numbers Primer 21/08/2020
Libro electrónico Radiation Handbook for Electronics (Rev. A) 21/05/2019
Nota sobre la aplicación Use of an LDO as a Load Switch for Space Applications 1/08/2018

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