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LM26003-Q1

ACTIVO

Regulador de conmutación de 3 A con modo de suspensión de alta eficiencia

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Misma funcionalidad con diferente configuración de pines que el dispositivo comparado
LMQ66430-Q1 ACTIVO Convertidor reductor síncrono bajo de 36 V y 3 A de grado automotriz con IQ de 1,5 µA Integrated input bypass capacitor and boot cap for lower EMI and smaller footprint, dual-random spread spectrum and lower IQ.

Detalles del producto

Rating Automotive Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 3 Vin (max) (V) 38 Switching frequency (min) (kHz) 150 Switching frequency (max) (kHz) 500 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Power good, Pre-Bias Start-Up, Soft Start Adjustable Control mode current mode Vout (min) (V) 1.25 Vout (max) (V) 35 Iq (typ) (µA) 40 Duty cycle (max) (%) 98
Rating Automotive Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 3 Vin (max) (V) 38 Switching frequency (min) (kHz) 150 Switching frequency (max) (kHz) 500 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Power good, Pre-Bias Start-Up, Soft Start Adjustable Control mode current mode Vout (min) (V) 1.25 Vout (max) (V) 35 Iq (typ) (µA) 40 Duty cycle (max) (%) 98
HTSSOP (PWP) 20 41.6 mm² 6.5 x 6.4
  • LM26003-Q1 is an Automotive-Grade Product
    That is AEC-Q100 Grade 1 Qualified (–40°C to
    +125°C Operating Junction Temperature)
  • High-Efficiency Sleep Mode
  • 40-µA Typical Iq in Sleep Mode
  • 10.8-µA Typical Iq in Shutdown Mode
  • 3.0-V Minimum Input Voltage
  • 4.0-V to 38-V Continuous Input Range
  • 1.5% Reference Accuracy
  • Cycle-by-Cycle Current Limit
  • Adjustable Frequency (150 kHz to 500 kHz)
  • Synchronizable to an External Clock
  • Power Good Flag
  • Forced PWM Function
  • Adjustable Soft-Start
  • 20-Pin HTSSOP Package
  • Thermal Shut Down
  • LM26003-Q1 is an Automotive-Grade Product
    That is AEC-Q100 Grade 1 Qualified (–40°C to
    +125°C Operating Junction Temperature)
  • High-Efficiency Sleep Mode
  • 40-µA Typical Iq in Sleep Mode
  • 10.8-µA Typical Iq in Shutdown Mode
  • 3.0-V Minimum Input Voltage
  • 4.0-V to 38-V Continuous Input Range
  • 1.5% Reference Accuracy
  • Cycle-by-Cycle Current Limit
  • Adjustable Frequency (150 kHz to 500 kHz)
  • Synchronizable to an External Clock
  • Power Good Flag
  • Forced PWM Function
  • Adjustable Soft-Start
  • 20-Pin HTSSOP Package
  • Thermal Shut Down

The LM26003 is a switching regulator designed for the high-efficiency requirements of applications with standby modes. The device features a low-current sleep mode to maintain efficiency under light-load conditions and current-mode control for accurate regulation over a wide input voltage range. Quiescent current is reduced to 10.8 µA typically in shutdown mode and less than 40 µA in sleep mode. Forced PWM mode is also available to disable sleep mode.

The LM26003 device can deliver up to 3 A of continuous load current with a fixed current limit, through the internal N-channel switch. The part has a wide input voltage range of 4.0 V to 38 V and can operate with input voltages as low as 3 V during line transients.

Operating frequency is adjustable from 150 kHz to 500 kHz with a single resistor and can be synchronized to an external clock.

Other features include Power Good, adjustable soft-start, enable pin, input undervoltage protection, and an internal bootstrap diode for reduced component count.

The LM26003 is a switching regulator designed for the high-efficiency requirements of applications with standby modes. The device features a low-current sleep mode to maintain efficiency under light-load conditions and current-mode control for accurate regulation over a wide input voltage range. Quiescent current is reduced to 10.8 µA typically in shutdown mode and less than 40 µA in sleep mode. Forced PWM mode is also available to disable sleep mode.

The LM26003 device can deliver up to 3 A of continuous load current with a fixed current limit, through the internal N-channel switch. The part has a wide input voltage range of 4.0 V to 38 V and can operate with input voltages as low as 3 V during line transients.

Operating frequency is adjustable from 150 kHz to 500 kHz with a single resistor and can be synchronized to an external clock.

Other features include Power Good, adjustable soft-start, enable pin, input undervoltage protection, and an internal bootstrap diode for reduced component count.

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Documentación técnica

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Tipo Título Fecha
* Data sheet LM26003-xx 3-A Switching Regulator With High Efficiency Sleep Mode datasheet (Rev. F) PDF | HTML 06 feb 2015
Technical article Spread Spectrum: Headache tablet or vitamin pill? PDF | HTML 18 may 2015
EVM User's guide AN-1884 LM26003 Evaluation Board (Rev. B) 24 abr 2013

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

LM26003EVAL — LM26003: regulador de conmutación de 3 A con módulo de evaluación de modo de suspensión de alta efic

The LM26003 evaluation board is designed to demonstrate the capabilities of the LM26003 switching regulator. The LM26003 eval board can be configured to provide an output of 3.3V at up to 3A from the input range of 4V to 38V. The nominal operating frequency is 300kHz and can be synchronized from (...)

Guía del usuario: PDF
Modelo de simulación

LM26003 PSpice Average Model

SNVM185.ZIP (57 KB) - PSpice Model
Modelo de simulación

LM26003 Unencrypted PSpice Average Model

SNVM874.ZIP (1 KB) - PSpice Model
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
HTSSOP (PWP) 20 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

Soporte y capacitación

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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.

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