LM337-N

AKTIV

Einstellbarer negativer linearer Spannungsregler, 1,5 A

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Datenblatt

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

LM337-N

AKTIV

Datenblatt

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Produktdetails

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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Technische Dokumentation

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Alle anzeigen 5

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

Design und Entwicklung

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Evaluierungsplatine

LM317A-337N-EVM — 3-poliges einstellbares Regler-Evaluierungsmodul

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 (...)

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