Inicio Administración de potencia Controladores CA/CC y CC/CC (FET externo)

TL720M05-Q1

ACTIVO

Regulador de tensión de caída baja (42 V) sin batería de 450 mA con protección contra tensión invers

Detalles del producto

Rating Automotive Iout (max) (A) 0.45 Vin (max) (V) 42 Vin (min) (V) 5.5 Vout (max) (V) 5 Vout (min) (V) 5 Operating temperature range (°C) -40 to 125 Iq (typ) (µA) 12000
Rating Automotive Iout (max) (A) 0.45 Vin (max) (V) 42 Vin (min) (V) 5.5 Vout (max) (V) 5 Vout (min) (V) 5 Operating temperature range (°C) -40 to 125 Iq (typ) (µA) 12000
HTSSOP (PWP) 20 41.6 mm² 6.5 x 6.4 TO-252 (KVU) 3 66.726 mm² 6.6 x 10.11 TO-263 (KTT) 3 154.8384 mm² 10.16 x 15.24
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
    • Junction temperature: –40°C to +150°C, TJ
  • Input voltage range:
    • Legacy chip: 5.5V to 42V (45V absolute maximum)
    • New chip: 3.0V to 40V (42V absolute maximum)
  • Maximum output current: 500mA (new chip)
  • Output voltage accuracy: ±2.0% (across line, load, and temperature)
  • Low dropout voltage: 500mV (maximum) at 300mA
  • Low quiescent current:
    • Legacy chip: 100µA (typical) at IOUT = 1mA
    • New chip: 17µA (typical) at light loads
  • Excellent line transient response (new chip):
    • ±2% VOUT deviation during cold-crank
    • ±2% VOUT deviation (1V/µs VIN slew rate)
  • Stable with a 2.2µF or larger capacitor (new chip)
  • Reverse-polarity protection (legacy chip)
  • Packages:
    • 3-pin TO-252 (KVU)
    • 3-pin DDPAK/TO-263 (KTT)
    • 20-pin HTSSOP (PWP) (legacy chip)
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
    • Junction temperature: –40°C to +150°C, TJ
  • Input voltage range:
    • Legacy chip: 5.5V to 42V (45V absolute maximum)
    • New chip: 3.0V to 40V (42V absolute maximum)
  • Maximum output current: 500mA (new chip)
  • Output voltage accuracy: ±2.0% (across line, load, and temperature)
  • Low dropout voltage: 500mV (maximum) at 300mA
  • Low quiescent current:
    • Legacy chip: 100µA (typical) at IOUT = 1mA
    • New chip: 17µA (typical) at light loads
  • Excellent line transient response (new chip):
    • ±2% VOUT deviation during cold-crank
    • ±2% VOUT deviation (1V/µs VIN slew rate)
  • Stable with a 2.2µF or larger capacitor (new chip)
  • Reverse-polarity protection (legacy chip)
  • Packages:
    • 3-pin TO-252 (KVU)
    • 3-pin DDPAK/TO-263 (KTT)
    • 20-pin HTSSOP (PWP) (legacy chip)

The TL720M05-Q1 is a low-dropout linear regulator, designed to connect to the battery in automotive applications. The device has an input voltage range extending to 40V (new chip). This range allows the device to withstand transients (such as load dumps) that are anticipated in automotive systems. With low quiescent current consumption at light loads, the device is designed for powering always-on components. Examples of always-on components are microcontrollers (MCUs) and controller area network (CAN) transceivers in standby systems.

The device (new chip) has a state-of-the-art transient response that allows the output to quickly react to changes in load or line. For example, during cold-crank conditions. Additionally, the device has a novel architecture that minimizes output overshoot when recovering from dropout. During normal operation, the device has a tight DC accuracy of ±2% over line, load, and temperature.

The device also incorporates a number of internal circuits for protection against overload and overtemperature. The legacy chip also provides protection against reverse polarity.

The TL720M05-Q1 is available in thermally conductive packaging to allow the device to efficiently transfer heat to the circuit board.

The TL720M05-Q1 is a low-dropout linear regulator, designed to connect to the battery in automotive applications. The device has an input voltage range extending to 40V (new chip). This range allows the device to withstand transients (such as load dumps) that are anticipated in automotive systems. With low quiescent current consumption at light loads, the device is designed for powering always-on components. Examples of always-on components are microcontrollers (MCUs) and controller area network (CAN) transceivers in standby systems.

The device (new chip) has a state-of-the-art transient response that allows the output to quickly react to changes in load or line. For example, during cold-crank conditions. Additionally, the device has a novel architecture that minimizes output overshoot when recovering from dropout. During normal operation, the device has a tight DC accuracy of ±2% over line, load, and temperature.

The device also incorporates a number of internal circuits for protection against overload and overtemperature. The legacy chip also provides protection against reverse polarity.

The TL720M05-Q1 is available in thermally conductive packaging to allow the device to efficiently transfer heat to the circuit board.

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Documentación técnica

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* Data sheet TL720M05-Q1 Automotive, 500mA, 40V, Low-Dropout Voltage Regulator datasheet (Rev. J) PDF | HTML 26 ago 2025
Application note LDO Noise Demystified (Rev. B) PDF | HTML 18 ago 2020
Application note LDO PSRR Measurement Simplified (Rev. A) PDF | HTML 09 ago 2017
More literature Fundamentals of designing with LDOs in auto battery direct connect applications 27 feb 2017

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

MLTLDO2EVM-037 — Módulo de evaluación del regulador de tensión lineal LDO universal para encapsulados DCY, DDA y KVU

El módulo de evaluación (EVM) del encapsulado múltiple de baja caída (LDO) MLTLDO2EVM-037 ayuda a los ingenieros de diseño a evaluar el funcionamiento y el rendimiento de muchos encapsulados comunes de reguladores lineales para su posible uso en aplicaciones de circuitos propias. Esta configuración (...)

Guía del usuario: PDF
Modelo de simulación

TL720M05-Q1 PSpice Transient Model

SGLM025.ZIP (86 KB) - PSpice Model
Modelo de simulación

TL720M05-Q1 Unencrypted PSpice Transient Model

SGLM026.ZIP (2 KB) - PSpice Model
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
HTSSOP (PWP) 20 Ultra Librarian
TO-252 (KVU) 3 Ultra Librarian
TO-263 (KTT) 3 Ultra Librarian

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

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