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Vedi Specifiche Tecniche

LM137H/NOPB +BOM

Extended Temperature 1.5A Adjustable Output Negative Voltage Regulator / LDO

Produttore:

Texas Instruments, Inc
ProduttorePart #:

LM137H/NOPB
Scheda dati:

LM137H/NOPB Scheda dati (PDF)
Output Options:

Adjustable Output
Iout (max) (A):

1.5
Vin (max) (V):

-4.2
Vin (min) (V):

-40
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per LM137H/NOPB

E-mail: [email protected]

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tel: +852 95804164

LM137H/NOPB Descrizione generale

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.

Caratteristiche principali

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

Specifiche

Output options	Adjustable 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)	1110	Iq (typ) (mA)	0.065
Thermal resistance θJA (°C/W)	137	Rating	Military
Load capacitance (min) (µF)	1	Regulated outputs (#)	1
Accuracy (%)	4	PSRR at 100 KHz (dB)	30
Dropout voltage (Vdo) (typ) (mV)	3000	Operating temperature range (°C)	-55 to 150
feature-type	LDO	feature-number-of-outputs	1
feature-polarity	Negative	feature-accuracy-	±4
feature-process-technology		feature-output-type	Adjustable
feature-output-voltage-v	-1.2 to -37	feature-maximum-output-current-a	1.5
feature-minimum-input-voltage-v	-4.2	feature-maximum-input-voltage-v	-4.2
feature-maximum-dropout-voltage-current-v		feature-line-regulation	0.02%/V
feature-load-regulation	0.5%	feature-maximum-power-dissipation-mw	2000
feature-packaging	Bulk	feature-rad-hard	No
feature-pin-count	3	feature-cecc-qualified	No
feature-esd-protection	Yes	feature-escc-qualified
feature-military	No	feature-aec-qualified	No
feature-aec-qualified-number		feature-auto-motive	No
feature-p-pap	No	feature-eccn-code	EAR99
feature-svhc		feature-svhc-exceeds-threshold	No

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