Inicio Gestión de la energía AC/DC & DC/DC controllers (external FET)
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Gestión de la energía
AC/DC & DC/DC controllers (external FET)

TPS40055-EP

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Controlador reductor síncrono con entrada amplia, producto mejorado

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TPS40170-EP ACTIVO Controlador reductor PWM síncrono de entrada amplia de 4.5 V a 60 V, producto mejorado 60-V controller

TPS40055-EP

ACTIVO
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Detalles del producto

Vin (min) (V) 8 Vin (max) (V) 40 Iout (max) (A) 20 Operating temperature range (°C) -55 to 125 Control mode Voltage mode Rating HiRel Enhanced Product Vout (min) (V) 0.7 Vout (max) (V) 35 Iq (typ) (A) 0.0015 Duty cycle (max) (%) 94
Vin (min) (V) 8 Vin (max) (V) 40 Iout (max) (A) 20 Operating temperature range (°C) -55 to 125 Control mode Voltage mode Rating HiRel Enhanced Product Vout (min) (V) 0.7 Vout (max) (V) 35 Iq (typ) (A) 0.0015 Duty cycle (max) (%) 94
HTSSOP (PWP) 16 32 mm² 5 x 6.4
  • Operating Input Voltage 8 V to 40 V
  • Input Voltage Feed-Forward Compensation
  • < 1 % Internal 0.7-V Reference
  • Programmable Fixed-Frequency Up to 1-MHz Voltage Mode Controller
  • Internal Gate Drive Outputs for High-Side and Synchronous N-Channel MOSFETs
  • 16-Pin PowerPAD Package™ (ηJC = 25°C/W)
  • Thermal Shutdown
  • Externally Synchronizable
  • Programmable High-Side Sense Short-Circuit Protection
  • Programmable Closed-Loop Soft-Start
  • TPS40055 Source/Sink
  • SUPPORTS DEFENSE, AEROSPACE, AND MEDICAL APPLICATIONS
    • Controlled Baseline
    • One Assembly/Test Site
    • One Fabrication Site
    • Available in Military (–55°C/125°C) Temperature Range(1)
    • Extended Product Life Cycle
    • Extended Product-Change Notification
    • Product Traceability
  • APPLICATIONS
    • Power Modules
    • Networking/Telecom
    • Industrial/Servers

(1) Additional temperature ranges available - contact factory
  • Operating Input Voltage 8 V to 40 V
  • Input Voltage Feed-Forward Compensation
  • < 1 % Internal 0.7-V Reference
  • Programmable Fixed-Frequency Up to 1-MHz Voltage Mode Controller
  • Internal Gate Drive Outputs for High-Side and Synchronous N-Channel MOSFETs
  • 16-Pin PowerPAD Package™ (ηJC = 25°C/W)
  • Thermal Shutdown
  • Externally Synchronizable
  • Programmable High-Side Sense Short-Circuit Protection
  • Programmable Closed-Loop Soft-Start
  • TPS40055 Source/Sink
  • SUPPORTS DEFENSE, AEROSPACE, AND MEDICAL APPLICATIONS
    • Controlled Baseline
    • One Assembly/Test Site
    • One Fabrication Site
    • Available in Military (–55°C/125°C) Temperature Range(1)
    • Extended Product Life Cycle
    • Extended Product-Change Notification
    • Product Traceability
  • APPLICATIONS
    • Power Modules
    • Networking/Telecom
    • Industrial/Servers

(1) Additional temperature ranges available - contact factory

The TPS40055 is a family of high-voltage, wide input (8 V to 40 V), synchronous, step-down converters. The TPS40055 family offers design flexibility with a variety of user programmable functions, including soft-start, UVLO, operating frequency, voltage feed-forward, high-side current limit, and loop compensation.

The TPS40055 are also synchronizable to an external supply. The TPS40055 incorporates MOSFET gate drivers for external N-channel high-side and synchronous rectifier (SR) MOSFETs. Gate drive logic incorporates anti-cross conduction circuitry to prevent simultaneous high-side and synchronous
rectifier conduction.

The TPS40055 uses voltage feed-forward control techniques to provide good line regulation over the wide (4:1) input voltage range and fast response to input line transients with near constant gain with input variation which eases loop compensation. The
externally programmable current limit provides pulse-by-pulse current limit, as well as a hiccup mode operation utilizing an internal fault counter for longer duration overloads.

The TPS40055 is a family of high-voltage, wide input (8 V to 40 V), synchronous, step-down converters. The TPS40055 family offers design flexibility with a variety of user programmable functions, including soft-start, UVLO, operating frequency, voltage feed-forward, high-side current limit, and loop compensation.

The TPS40055 are also synchronizable to an external supply. The TPS40055 incorporates MOSFET gate drivers for external N-channel high-side and synchronous rectifier (SR) MOSFETs. Gate drive logic incorporates anti-cross conduction circuitry to prevent simultaneous high-side and synchronous
rectifier conduction.

The TPS40055 uses voltage feed-forward control techniques to provide good line regulation over the wide (4:1) input voltage range and fast response to input line transients with near constant gain with input variation which eases loop compensation. The
externally programmable current limit provides pulse-by-pulse current limit, as well as a hiccup mode operation utilizing an internal fault counter for longer duration overloads.
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Documentación técnica

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Tipo Título Fecha
* Data sheet Wide Input Synchronous Buck Controller - TPS40055-EP. datasheet (Rev. D) 29 feb 2012
* VID TPS40055-EP VID V6205617 21 jun 2016
* Radiation & reliability report TPS40055MPWPREP Reliability Report 06 sep 2013

Diseño y desarrollo

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Paquete Pasadores Descargar
HTSSOP (PWP) 16 Ver opciones
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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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