LM337-N

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Regulador de tensión lineal ajustable negativa de 1.5 A

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document-pdfAcrobat LM137, LM337-N 3-Terminal Adjustable Negative Regulators datasheet (Rev. E) (Inglés) PDF | HTML

LM337-N

ACTIVO

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Detalles del producto

Output options

Adjustable Output, Negative Output

Iout (max) (A)

1.5

Vin (max) (V)

-4.2

Vin (min) (V)

-40

Vout (max) (V)

-1.2

Vout (min) (V)

-37

Noise (µVrms)

38

Iq (typ) (mA)

0.065

Thermal resistance θJA (°C/W)

23

Rating

Catalog

Load capacitance (min) (µF)

1

Regulated outputs (#)

1

Accuracy (%)

2.4

PSRR at 100 KHz (dB)

35

Dropout voltage (Vdo) (typ) (mV)

2400

Operating temperature range (°C)

-40 to 125

Output options

Adjustable Output, Negative Output

Iout (max) (A)

1.5

Vin (max) (V)

-4.2

Vin (min) (V)

-40

Vout (max) (V)

-1.2

Vout (min) (V)

-37

Noise (µVrms)

38

Iq (typ) (mA)

0.065

Thermal resistance θJA (°C/W)

23

Rating

Catalog

Load capacitance (min) (µF)

1

Regulated outputs (#)

1

Accuracy (%)

2.4

PSRR at 100 KHz (dB)

35

Dropout voltage (Vdo) (typ) (mV)

2400

Operating temperature range (°C)

-40 to 125

SOT-223 (DCY)

4

45.5 mm² 6.5 x 7

TO-220 (NDE)

3

46.5328 mm² 10.16 x 4.58

TO-220 (NDG)

3

193.548 mm² 10.16 x 19.05

1.5-A Output Current
Line Regulation 0.01%/V (Typical)
Load Regulation 0.3% (Typical)
77-dB Ripple Rejection
50 ppm/°C Temperature Coefficient
Thermal Overload Protection
Internal Short-Circuit Current Limiting
Protections

1.5-A Output Current
Line Regulation 0.01%/V (Typical)
Load Regulation 0.3% (Typical)
77-dB Ripple Rejection
50 ppm/°C Temperature Coefficient
Thermal Overload Protection
Internal Short-Circuit Current Limiting
Protections

The LM137 and LM337-N are adjustable 3-terminal negative voltage regulators capable of supplying –1.5 A or more currents over an output voltage range of –1.25 V to –37 V. It requires only two external resistors to set the output voltage and one output capacitor for frequency compensation. The circuit design has been optimized for excellent regulation and low thermal transients. Further, the LM137 and LM337-N feature internal current limiting, thermal shutdown and safe-area compensation, making it virtually blowout-proof against overloads.

The LM137 and LM337-N are ideal complements to the LM117 and LM317 adjustable positive regulators. The LM137 has a wider operating temperature range than the LM337-N and is also offered in military and space qualified versions.

The LM137 and LM337-N are adjustable 3-terminal negative voltage regulators capable of supplying –1.5 A or more currents over an output voltage range of –1.25 V to –37 V. It requires only two external resistors to set the output voltage and one output capacitor for frequency compensation. The circuit design has been optimized for excellent regulation and low thermal transients. Further, the LM137 and LM337-N feature internal current limiting, thermal shutdown and safe-area compensation, making it virtually blowout-proof against overloads.

The LM137 and LM337-N are ideal complements to the LM117 and LM317 adjustable positive regulators. The LM137 has a wider operating temperature range than the LM337-N and is also offered in military and space qualified versions.

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Documentación técnica

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=Principal documentación para este producto seleccionada por TI

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	Tipo	Título		Fecha
*	Data sheet	LM137, LM337-N 3-Terminal Adjustable Negative Regulators datasheet (Rev. E)	PDF \| HTML	13 ene 2016
	EVM User's guide	LM317A-337N-EVM User's Guide		21 ene 2016
	Application note	Method For Cal Output Voltage Tolerances in Adj Regs (Rev. A)		05 may 2013
	Application note	LB-46 A New Production Technique for Trimming Voltage Regulators		15 may 2004
	Application note	A New Production Technique for Trimming Voltage Regulators		03 oct 2002

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

LM317A-337N-EVM — Módulo de evaluación de regulador ajustable de 3 pines

The LM317A-337N-EVM demonstrates canonical application of the LM317A adjustable regulator and its negative complement, the LM337-N. The evaluation module (EVM) is assesmbled with the SOT-223 package option for each device, supplying up to 1 A of load current. The EVM is designed for easy (...)

Guía del usuario: PDF