LM1086

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Regulador de tensión lineal de 1.5 A y 29 V

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document-pdfAcrobat LM1086 1.5-A Low Dropout Positive Voltage Regulators datasheet (Rev. J) (Inglés) PDF | HTML

LM1086

ACTIVO

Hoja de datos

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Detalles del producto

Output options

Adjustable Output, Fixed Output

Iout (max) (A)

1.5

Vin (max) (V)

29

Vin (min) (V)

2.6

Vout (max) (V)

27.5

Vout (min) (V)

1.25

Fixed output options (V)

0.85, 1.8, 2.5, 2.8, 3.3, 5

Rating

Catalog

Noise (µVrms)

38

PSRR at 100 KHz (dB)

30

Iq (typ) (mA)

2

Thermal resistance θJA (°C/W)

23

Load capacitance (min) (µF)

10

Regulated outputs (#)

1

Accuracy (%)

2

Dropout voltage (Vdo) (typ) (mV)

1300

Operating temperature range (°C)

-40 to 125

Output options

Adjustable Output, Fixed Output

Iout (max) (A)

1.5

Vin (max) (V)

29

Vin (min) (V)

2.6

Vout (max) (V)

27.5

Vout (min) (V)

1.25

Fixed output options (V)

0.85, 1.8, 2.5, 2.8, 3.3, 5

Rating

Catalog

Noise (µVrms)

38

PSRR at 100 KHz (dB)

30

Iq (typ) (mA)

2

Thermal resistance θJA (°C/W)

23

Load capacitance (min) (µF)

10

Regulated outputs (#)

1

Accuracy (%)

2

Dropout voltage (Vdo) (typ) (mV)

1300

Operating temperature range (°C)

-40 to 125

TO-220 (NDE)

3

46.5328 mm² 10.16 x 4.58

TO-263 (KTT)

3

154.8384 mm² 10.16 x 15.24

WSON (NGN)

8

16 mm² 4 x 4

Available in Fixed 1.8-V, 2.5-V, 3.3-V, 5-V
Available in Adjustable Version
Current Limiting and Thermal Protection
2% Output Accuracy
Output Current 1.5 A
Line Regulation 0.015% (Typical)
Load Regulation 0.1% (Typical)
Maximum Input Voltage up to 29V
Minimum Adjustable Output Voltage Down to 1.25V
Stable with Ceramic Output Capacitor with ESR
Temperature Range : -40°C to 125°C

Available in Fixed 1.8-V, 2.5-V, 3.3-V, 5-V
Available in Adjustable Version
Current Limiting and Thermal Protection
2% Output Accuracy
Output Current 1.5 A
Line Regulation 0.015% (Typical)
Load Regulation 0.1% (Typical)
Maximum Input Voltage up to 29V
Minimum Adjustable Output Voltage Down to 1.25V
Stable with Ceramic Output Capacitor with ESR
Temperature Range : -40°C to 125°C

The LM1086 is a regulator with a maximum dropout of 1.5 V at 1.5 A of load current. The device has the same pin-out as TI’s industry standard LM317.

Two resistors are required to set the output voltage of the adjustable output voltage version of the LM1086. Fixed output voltage versions integrate the adjust resistors. Typically, no input capacitor is needed unless the device is situated more than 6 inches from the input filter capacitors. Output capacitor can be replaced with ceramic and appropriate ESR.

The LM1086 circuit includes a zener trimmed bandgap reference, current limiting, and thermal shutdown. Because the LM1086 regulator is floating and detects only the input-to-output differential voltage, supplies of several hundred volts can be regulated as long as the maximum input-to-output differential is not exceeded. Exceeding the maximum input-to-output deferential will result in short-circuiting the output. By connecting a fixed resistor between the adjustment pin and output, the LM1086 can be also used as a precision current regulator.

For applications requiring greater output current, refer to LM1084 (clickable link) for the 5-A version, and the LM1085 (clickable link) for the 3-A version.

The LM1086 is a regulator with a maximum dropout of 1.5 V at 1.5 A of load current. The device has the same pin-out as TI’s industry standard LM317.

Two resistors are required to set the output voltage of the adjustable output voltage version of the LM1086. Fixed output voltage versions integrate the adjust resistors. Typically, no input capacitor is needed unless the device is situated more than 6 inches from the input filter capacitors. Output capacitor can be replaced with ceramic and appropriate ESR.

The LM1086 circuit includes a zener trimmed bandgap reference, current limiting, and thermal shutdown. Because the LM1086 regulator is floating and detects only the input-to-output differential voltage, supplies of several hundred volts can be regulated as long as the maximum input-to-output differential is not exceeded. Exceeding the maximum input-to-output deferential will result in short-circuiting the output. By connecting a fixed resistor between the adjustment pin and output, the LM1086 can be also used as a precision current regulator.

For applications requiring greater output current, refer to LM1084 (clickable link) for the 5-A version, and the LM1085 (clickable link) for the 3-A version.

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Documentación técnica

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	Tipo	Título		Fecha
*	Data sheet	LM1086 1.5-A Low Dropout Positive Voltage Regulators datasheet (Rev. J)	PDF \| HTML	23 abr 2015
	Application note	A Topical Index of TI LDO Application Notes (Rev. F)		27 jun 2019
	Application note	LDO PSRR Measurement Simplified (Rev. A)	PDF \| HTML	09 ago 2017
	Technical article	Create a simple LED driver	PDF \| HTML	20 oct 2015
	Application note	Linear power for automated industrial systems		09 ene 2015
	Application note	AN-103 LM340 Series Three Terminal Positive Regulators (Rev. A)		06 may 2013
	Application note	AN-1148 Linear Regulators: Theory of Operation and Compensation (Rev. B)		06 may 2013
	Application note	Method For Cal Output Voltage Tolerances in Adj Regs (Rev. A)		05 may 2013
	More literature	Die D/S LM1086-ADJ MDC 1.5A Low Dropout Positive Regulators		12 sep 2012
	Application note	Packaging Limits Range of Linear Regulators		08 may 2010
	Application note	Digital Designer's Guide to Linear Voltage Regulators & Thermal Mgmt (LDO) (Rev. A)		04 jun 2008
	Application note	Understanding the Terms and Definitions of LDO Voltage Regulators		21 oct 1999

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Encapsulado	Pines	Símbolos CAD, huellas y modelos 3D
TO-220 (NDE)	3	Ultra Librarian
TO-263 (KTT)	3	Ultra Librarian
WSON (NGN)	8	Ultra Librarian

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LM1086

Regulador de tensión lineal de 1.5 A y 29 V

LM1086

Detalles del producto

Productos similares que pueden interesarle

Misma funcionalidad con diferente configuración de pines que el dispositivo comparado

Documentación técnica

Diseño y desarrollo

TPA6304Q1EVM — Módulo de evaluación de amplificador de audio de Clase D, entrada analógica de 2.1 MHz y 4 canales p

TPA6404Q1EVM — Módulo de evaluación TPA6404-Q1 de amplificador de audio de Clase D, entrada analógica de 2 MHz, 50

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LM1086-ADJ PSpice Transient Model

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