Inicio Gestión de la energía Reguladores lineales y de baja salida (LDO)

LM317L

ACTIVO

Regulador de tensión lineal ajustable de 100 mA y 35 V

Detalles del producto

Output options Adjustable Output Iout (max) (A) 0.1 Vin (max) (V) 35 Vin (min) (V) 3.75 Vout (max) (V) 32 Vout (min) (V) 1.2 Noise (µVrms) 30 Iq (typ) (mA) 1.5 Thermal resistance θJA (°C/W) 52 Rating Catalog Load capacitance (min) (µF) 0 Regulated outputs (#) 1 Accuracy (%) 4 PSRR at 100 KHz (dB) 38 Dropout voltage (Vdo) (typ) (mV) 2000 Operating temperature range (°C) -40 to 125
Output options Adjustable Output Iout (max) (A) 0.1 Vin (max) (V) 35 Vin (min) (V) 3.75 Vout (max) (V) 32 Vout (min) (V) 1.2 Noise (µVrms) 30 Iq (typ) (mA) 1.5 Thermal resistance θJA (°C/W) 52 Rating Catalog Load capacitance (min) (µF) 0 Regulated outputs (#) 1 Accuracy (%) 4 PSRR at 100 KHz (dB) 38 Dropout voltage (Vdo) (typ) (mV) 2000 Operating temperature range (°C) -40 to 125
SOIC (D) 8 29.4 mm² 4.9 x 6 SOT-89 (PK) 3 18.4275 mm² 4.5 x 4.095 TO-92 (LP) 3 19.136 mm² 5.2 x 3.68 TSSOP (PW) 8 19.2 mm² 3 x 6.4
  • Output Voltage Range Adjustable 1.25 V to 32 V
    When Used With External Resistor Divider
  • Output Current Capability of 100 mA
  • Input Regulation Typically 0.01% Per Input-Voltage
    Change
  • Output Regulation Typically 0.5%
  • Ripple Rejection Typically 80 dB
  • For Higher Output Current Requirements,
    See LM317M (500 mA) and LM317 (1.5 A)
  • APPLICATIONS
    • Electronic Points of Sale
    • Medical, Health, and Fitness Applications
    • Printers
    • Appliances and White Goods
    • TV Set-Top Boxes
  • All other trademarks are the property of their respective owners

    • Output Voltage Range Adjustable 1.25 V to 32 V
      When Used With External Resistor Divider
    • Output Current Capability of 100 mA
    • Input Regulation Typically 0.01% Per Input-Voltage
      Change
    • Output Regulation Typically 0.5%
    • Ripple Rejection Typically 80 dB
    • For Higher Output Current Requirements,
      See LM317M (500 mA) and LM317 (1.5 A)
  • APPLICATIONS
    • Electronic Points of Sale
    • Medical, Health, and Fitness Applications
    • Printers
    • Appliances and White Goods
    • TV Set-Top Boxes
  • All other trademarks are the property of their respective owners

    The LM317L device is an adjustable, 3-terminal, positive-voltage regulator capable of supplying 100 mA over an output-voltage range of 1.25 V to 32 V. It is exceptionally easy to use and requires only two external resistors to set the output voltage.

    The LM317L device is an adjustable, 3-terminal, positive-voltage regulator capable of supplying 100 mA over an output-voltage range of 1.25 V to 32 V. It is exceptionally easy to use and requires only two external resistors to set the output voltage.

    Descargar Ver vídeo con transcripción Video

    Documentación técnica

    star =Principal documentación para este producto seleccionada por TI
    No se encontraron resultados. Borre su búsqueda y vuelva a intentarlo.
    Ver todo 20
    Tipo Título Fecha
    * Data sheet LM317L 3-Terminal Adjustable Regulator datasheet (Rev. E) PDF | HTML 22 oct 2014
    Application note Cost-Optimized, High-Performance Front-End Design for Analog Input Modules PDF | HTML 22 jun 2022
    Application note LDO Noise Demystified (Rev. B) PDF | HTML 18 ago 2020
    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
    Application note AB-12 Wide Adjustable Range PNP Voltage Regulator (Rev. B) 06 may 2013
    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 AN-42 IC Provides On-Card Regulation for Logic Circuits (Rev. B) 06 may 2013
    Application note AN-178 Applications for an Adjustable IC Power Regulator (Rev. B) 05 may 2013
    Application note AN-182 Improving Power Supply Reliability with IC Power Regulators (Rev. B) 05 may 2013
    Application note Method For Cal Output Voltage Tolerances in Adj Regs (Rev. A) 05 may 2013
    Application note AN-1061 Power Conversion in Line-Powered Equipment (Rev. B) 23 abr 2013
    Application note High-Efficiency Reg has Low Drop-Out Voltage (Rev. B) 23 abr 2013
    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 A New Production Technique for Trimming Voltage Regulators 03 oct 2002
    Application note Adjustable 3-Terminal Regulator for Low-Cost Battery Charging Systems 03 oct 2002
    Application note High Stability Regulators 03 oct 2002
    Application note Understanding the Terms and Definitions of LDO Voltage Regulators 21 oct 1999

    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.

    Modelo de simulación

    LM317L PSpice Transient Model

    SNVMAW4.ZIP (65 KB) - PSpice Model
    Modelo de simulación

    LM317L Unencrypted PSpice Transient Model

    SNVMAW3.ZIP (2 KB) - PSpice Model
    Diseños de referencia

    PMP15043 — Diseño de referencia de fuente de alimentación de 6A y 0,05 % de precisión de corriente para sistema

    This reference design circuit introduces a highly accurate, bi-directional current power solution used in battery test systems (BTS). The maximum current capability is 6A with lower than 0.05% full scale accuracy. Controlling through a logic pin, the circuit can be used to charge or discharge a (...)
    Test report: PDF
    Esquema: PDF
    Diseños de referencia

    TIDA-00210 — Diseño de referencia de etapa de potencia de puente completo con protección de 75 V/10 A para los co

    Stepper drives are used in many applications operating typically from 12VDC to 48VDC. TI offers a rich family of stepper motor driver solutions with industry standard step/direction and parallel control interfaces.

    For applications which require higher torque and power, often voltages above 48VDC, (...)
    Design guide: PDF
    Esquema: PDF
    Diseños de referencia

    TIDA-00365 — Diseño de referencia de etapa de potencia de puente completo con protección de 75 V/10 A para los co

    Low voltage brushed DC drives are used in many applications. TI offers a rich family of brushed DC motor driver solutions with flexible control interface options for one or more brushed DC motors up to 60V.  For applications which require higher torque and power, often voltages above 60VDC (...)
    Design guide: PDF
    Esquema: PDF
    Diseños de referencia

    PMP8955 — Cargador de Flyback cuasirresonante de tensión constante-corriente constante (CVCC) de salida progra

    This industrial charger reference design uses the LM5023 Quasi-Resonant Flyback controller to implement a 120VAC input design with CVCC output configured by microcontroller PWM control from 10 to 22.5V and output current from 200mA to 2A.
    Test report: PDF
    Esquema: PDF
    Diseños de referencia

    PMP7246 — Diseño de referencia de convertidor de potencia de 350 W con entrada de 36 V a 60 V, modulación de d

    This is a 350W High Speed Full Bridge Phase Shift ZVT Synchronous Rectification DC/DC reference design. It is built for telecom applications to supply a RF Power Amplifier stage. The design is utilizing UCC28950 voltage mode forward and average current limitation backward converter (two quadrant (...)
    Test report: PDF
    Esquema: PDF
    Paquete Pasadores Descargar
    SOIC (D) 8 Ver opciones
    SOT-89 (PK) 3 Ver opciones
    TO-92 (LP) 3 Ver opciones
    TSSOP (PW) 8 Ver opciones

    Pedidos y calidad

    Información incluida:
    • RoHS
    • REACH
    • Marcado del dispositivo
    • Acabado de plomo/material de la bola
    • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
    • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
    • Contenido del material
    • Resumen de calificaciones
    • Monitoreo continuo de confiabilidad
    Información incluida:
    • Lugar de fabricación
    • Lugar de ensamblaje

    Los productos recomendados pueden tener parámetros, módulos de evaluación o diseños de referencia relacionados con este producto de TI.

    Soporte y capacitación

    Foros de TI E2E™ con asistencia técnica de los ingenieros de TI

    El contenido lo proporcionan “tal como está” TI y los colaboradores de la comunidad y no constituye especificaciones de TI. Consulte los términos de uso.

    Si tiene preguntas sobre la calidad, el paquete o el pedido de productos de TI, consulte el soporte de TI. ​​​​​​​​​​​​​​

    Videos