Inicio Gestión de la energía Convertidores de CA/CC y CC/CC (FET integrado)
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Gestión de la energía
Convertidores de CA/CC y CC/CC (FET integrado)
NUEVO

TPS56836

ACTIVO

Convertidor reductor síncrono de 8 A con entrada de 4.5 V a 28 V y funcionamiento de Out-of-Audio™

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TPS56836

ACTIVO
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Detalles del producto

Rating Catalog Operating temperature range (°C) -40 to 150 Topology Buck Type Converter Iout (max) (A) 8 Vin (min) (V) 4.5 Vin (max) (V) 28 Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 1200 Features Audible Noise Minimization, Enable, Forced PWM, Over Current Protection, Soft Start Adjustable, Synchronous Rectification Control mode D-CAP3 Vout (min) (V) 0.6 Vout (max) (V) 13 Iq (typ) (µA) 45 Duty cycle (max) (%) 98
Rating Catalog Operating temperature range (°C) -40 to 150 Topology Buck Type Converter Iout (max) (A) 8 Vin (min) (V) 4.5 Vin (max) (V) 28 Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 1200 Features Audible Noise Minimization, Enable, Forced PWM, Over Current Protection, Soft Start Adjustable, Synchronous Rectification Control mode D-CAP3 Vout (min) (V) 0.6 Vout (max) (V) 13 Iq (typ) (µA) 45 Duty cycle (max) (%) 98
VQFN-HR (RPA) 10 9 mm² 3 x 3
  • 4.5V to 28V input voltage range
  • 0.6V to 13V output voltage range
  • Supports 8A continuous output current
  • Integrated 20.4mΩ and 9.5mΩ MOSFETs
  • 0.6V ±1% reference voltage at 25°C
  • 45uA low quiescent current of TPS56837
  • D-CAP3™ control mode for fast transient response
  • TPS56837 with Eco-mode (auto-skip mode) for high light-load efficiency
  • TPS56838 with forced continuous conduction mode (FCCM)
  • TPS56836 with Out-of-Audio™ (OOA) mode
  • 500kHz, 800kHz, and 1200kHz selectable switching frequencies by mode selection
  • Adjustable cycle-by-cycle over current limit for low-side MOSFETs by mode selection
  • Adjustable soft-start time with default 1.8ms
  • Built-in output discharge function
  • Power-good indicator to monitor output voltage
  • Supports up to 98% duty operation
  • Non-latched protections for UV, OV, OT, and UVLO
  • –40°C to +150°C operating junction temperature
  • Small 10-pin 3.0mm × 3.0mm HotRod™ QFN Package

  • Create a customer design using the TPS5683x with the WEBENCH Power Designer

  • Pin-to-pin compatible with 6A TPS56637 and 8A TPS56837H
  • 4.5V to 28V input voltage range
  • 0.6V to 13V output voltage range
  • Supports 8A continuous output current
  • Integrated 20.4mΩ and 9.5mΩ MOSFETs
  • 0.6V ±1% reference voltage at 25°C
  • 45uA low quiescent current of TPS56837
  • D-CAP3™ control mode for fast transient response
  • TPS56837 with Eco-mode (auto-skip mode) for high light-load efficiency
  • TPS56838 with forced continuous conduction mode (FCCM)
  • TPS56836 with Out-of-Audio™ (OOA) mode
  • 500kHz, 800kHz, and 1200kHz selectable switching frequencies by mode selection
  • Adjustable cycle-by-cycle over current limit for low-side MOSFETs by mode selection
  • Adjustable soft-start time with default 1.8ms
  • Built-in output discharge function
  • Power-good indicator to monitor output voltage
  • Supports up to 98% duty operation
  • Non-latched protections for UV, OV, OT, and UVLO
  • –40°C to +150°C operating junction temperature
  • Small 10-pin 3.0mm × 3.0mm HotRod™ QFN Package

  • Create a customer design using the TPS5683x with the WEBENCH Power Designer

  • Pin-to-pin compatible with 6A TPS56637 and 8A TPS56837H

The TPS5683x is a high-efficiency, easy-to-use, synchronous buck converter with a wide input voltage range of 4.5V to 28V. The device supports up to 8A continuous output current at output voltages between 0.6V and 13V.

The TPS5683x uses D-CAP3 control mode to provide fast transient response, good line and load regulation, no requirement for external compensation, and supports low equivalent series resistance (ESR) output capacitors like MLCC.

The TPS56837 operates at Eco-mode to attain high efficiency at light load. The TPS56838 operates in forced continuous conduction mode which maintains lower output ripple during all load conditions. The TPS56836 operates in Out-of-Audio mode to avoid audible noise.

The TPS5683x has three selectable switching frequencies, 500kHz, 800kHz, and 1200kHz, and selectable current limit through MODE pin configuration. The TPS5683x has adjustable soft-start time by connecting the SS capacitor and with default 1.8ms with the SS pin floating.

The TPS5683x provides complete non-latched OV (overvoltage), UV (undervoltage), OC (overcurrent), OT (overtemperature) and UVLO (undervoltage lockout) protections combined with power-good indicator and output discharge function features.

The TPS5683x is available in a 10-pin, 3.0mm × 3.0mm, HotRod QFN package, and the junction temperature is specified from –40°C to 150°C.

The TPS5683x is a high-efficiency, easy-to-use, synchronous buck converter with a wide input voltage range of 4.5V to 28V. The device supports up to 8A continuous output current at output voltages between 0.6V and 13V.

The TPS5683x uses D-CAP3 control mode to provide fast transient response, good line and load regulation, no requirement for external compensation, and supports low equivalent series resistance (ESR) output capacitors like MLCC.

The TPS56837 operates at Eco-mode to attain high efficiency at light load. The TPS56838 operates in forced continuous conduction mode which maintains lower output ripple during all load conditions. The TPS56836 operates in Out-of-Audio mode to avoid audible noise.

The TPS5683x has three selectable switching frequencies, 500kHz, 800kHz, and 1200kHz, and selectable current limit through MODE pin configuration. The TPS5683x has adjustable soft-start time by connecting the SS capacitor and with default 1.8ms with the SS pin floating.

The TPS5683x provides complete non-latched OV (overvoltage), UV (undervoltage), OC (overcurrent), OT (overtemperature) and UVLO (undervoltage lockout) protections combined with power-good indicator and output discharge function features.

The TPS5683x is available in a 10-pin, 3.0mm × 3.0mm, HotRod QFN package, and the junction temperature is specified from –40°C to 150°C.
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TPS56837 ACTIVO Convertidor reductor síncrono de 8 A y entrada de 4.5 V a 28 V Eco-mode (light load efficiency) variant
NUEVO TPS56838 ACTIVO Convertidor reductor síncrono de 8 A, entrada de 4.5 V a 28 V, con modo de conducción continua forza Forced continuous conduction mode (FCCM) variant

Documentación técnica

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* Data sheet TPS5683x 4.5V to 28V Input, 8A Synchronous Buck Converter datasheet (Rev. B) PDF | HTML 17 ene 2024

Diseño y desarrollo

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Placa de evaluación

TPS56837HEVM — Módulo de evaluación TPS56837H

El TPS56837H es un convertidor reductor síncrono fácil de usar y de alta eficiencia con un amplio rango de tensión de entrada de 4.5 V a 28 V que admite una corriente de salida continua de hasta 8 A a tensiones de salida entre 4 V y 22 V para aplicaciones de suministro de energía USB (USB PD). El (...)
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