LM137QML-SP

AKTIV

Radiation-tolerant, QML-V, -4.2V to -40V, 1.5A adjustable negative linear regulator

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Datenblatt

document-pdfAcrobat LM137QML 3-Terminal Adjustable Negative Regulators datasheet (Rev. F) (Englisch) PDF | HTML

LM137QML-SP

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Rating

Space

Vin (max) (V)

-4.2

Vin (min) (V)

-40

Iout (max) (A)

1.5

Output options

Adjustable Output, Negative Output

Vout (max) (V)

-1.2

Vout (min) (V)

-37

Fixed output options (V)

0

Noise (µVrms)

1110

PSRR at 100 KHz (dB)

30

Iq (typ) (mA)

0.065

Thermal resistance θJA (°C/W)

137

Load capacitance (min) (µF)

1

Regulated outputs (#)

1

Accuracy (%)

4

Dropout voltage (Vdo) (typ) (mV)

3000

Operating temperature range (°C)

-55 to 125

Radiation, SEL (MeV·cm2/mg)

Bipolar

Radiation, TID (typ) (krad)

30

Rating

Space

Vin (max) (V)

-4.2

Vin (min) (V)

-40

Iout (max) (A)

1.5

Output options

Adjustable Output, Negative Output

Vout (max) (V)

-1.2

Vout (min) (V)

-37

Fixed output options (V)

0

Noise (µVrms)

1110

PSRR at 100 KHz (dB)

30

Iq (typ) (mA)

0.065

Thermal resistance θJA (°C/W)

137

Load capacitance (min) (µF)

1

Regulated outputs (#)

1

Accuracy (%)

4

Dropout voltage (Vdo) (typ) (mV)

3000

Operating temperature range (°C)

-55 to 125

Radiation, SEL (MeV·cm2/mg)

Bipolar

Radiation, TID (typ) (krad)

30

TO-CAN (NDT)

3

91.6742 mm² (10.03 mm × 9.14 mm)

SMD 5962-99517
Available TID Qualified to 30 krad(Si)
Output Voltage Adjustable from −37 V to −1.2 V
1.5A Output Current Specified, −55°C to +150°C
Line Regulation Typically 0.01%/V
Load Regulation Typically 0.3%
Excellent Thermal Regulation, 0.002%/W
77 dB Ripple Rejection
Excellent Rejection of Thermal Transients
50 ppm/°C Temperature Coefficient
Temperature-independent Current Limit
Internal Thermal Overload Protection
Standard 3-lead Transistor Package
Output is Short Circuit Protected

SMD 5962-99517
Available TID Qualified to 30 krad(Si)
Output Voltage Adjustable from −37 V to −1.2 V
1.5A Output Current Specified, −55°C to +150°C
Line Regulation Typically 0.01%/V
Load Regulation Typically 0.3%
Excellent Thermal Regulation, 0.002%/W
77 dB Ripple Rejection
Excellent Rejection of Thermal Transients
50 ppm/°C Temperature Coefficient
Temperature-independent Current Limit
Internal Thermal Overload Protection
Standard 3-lead Transistor Package
Output is Short Circuit Protected

The LM137 are adjustable 3-terminal negative voltage regulators capable of supplying in excess of 1.5 A over an output voltage range of −37 V to −1.2 V. These regulators are exceptionally easy to apply, requiring only 2 external resistors to set the output voltage and 1 output capacitor for frequency compensation. The circuit design has been optimized for excellent regulation and low thermal transients. Further, the LM137 series features internal current limiting, thermal shutdown and safe-area compensation, making them virtually blowout-proof against overloads.

The LM137 serve a wide variety of applications including local on-card regulation, programmable-output voltage regulation or precision current regulation. The LM137 are ideal complements to the LM117 adjustable positive regulators.

The LM137 are adjustable 3-terminal negative voltage regulators capable of supplying in excess of 1.5 A over an output voltage range of −37 V to −1.2 V. These regulators are exceptionally easy to apply, requiring only 2 external resistors to set the output voltage and 1 output capacitor for frequency compensation. The circuit design has been optimized for excellent regulation and low thermal transients. Further, the LM137 series features internal current limiting, thermal shutdown and safe-area compensation, making them virtually blowout-proof against overloads.

The LM137 serve a wide variety of applications including local on-card regulation, programmable-output voltage regulation or precision current regulation. The LM137 are ideal complements to the LM117 adjustable positive regulators.

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Top-Dokumentation	Typ	Titel	Format-Optionen	Datum
*	Datenblatt	LM137QML 3-Terminal Adjustable Negative Regulators datasheet (Rev. F)	PDF \| HTML	09.08.2018
*	Strahlungs- und Zuverlässigkeitsbericht	LM137QML-SP TID Report		20.03.2013
*	SMD	LM137QML-SP SMD 5962-99517		10.08.2020
	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
	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
	Anwendungshinweis	Use of an LDO as a Load Switch for Space Applications		01.08.2018

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LM137QML-SP

Radiation-tolerant, QML-V, -4.2V to -40V, 1.5A adjustable negative linear regulator

LM137QML-SP

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