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)
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TPS62968

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Convertidor buck de bajo ruido, baja ondulación y 8 A con tensión de entrada de 17 V y tensión de sa

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TPS62968

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Detalles del producto

Rating Catalog Operating temperature range (°C) -40 to 150 Type Converter Iout (max) (A) 8 Vin (min) (V) 3 Vin (max) (V) 17 Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 1100 Features Enable, Frequency synchronization, Low Noise, Output discharge, Over Current Protection, Power good, Soft Start Adjustable, Spread Spectrum, Synchronous Rectification, UVLO Fixed Control mode current mode Vout (min) (V) 0.6 Vout (max) (V) 5.5 Iq (typ) (µA) 5000 Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -40 to 150 Type Converter Iout (max) (A) 8 Vin (min) (V) 3 Vin (max) (V) 17 Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 1100 Features Enable, Frequency synchronization, Low Noise, Output discharge, Over Current Protection, Power good, Soft Start Adjustable, Spread Spectrum, Synchronous Rectification, UVLO Fixed Control mode current mode Vout (min) (V) 0.6 Vout (max) (V) 5.5 Iq (typ) (µA) 5000 Duty cycle (max) (%) 100
VQFN-HR (RPY) 14 7.5 mm² 2.5 x 3
  • Low output 1/f noise < 20µVRMS (100Hz to 100kHz)
  • Low output voltage ripple < 10µVRMS after ferrite bead
  • High PSRR of > 65dB (up to 100kHz)
  • 1.1MHz, 700kHz, or 500kHz fixed frequency peak current mode control
  • Synchronizable with external clock (optional)
  • Integrated loop compensation supports ferrite bead for second stage L-C filter with 30dB attenuation (optional)
  • Spread spectrum modulation (optional)
  • 3.0V to 17V input voltage range
  • 0.6V to 5.5V output voltage range
  • 25mΩ/7mΩ RDSon
  • Output voltage accuracy of ±1% over temperature
  • Precise enable input allows
    • User-defined undervoltage lockout
    • Exact sequencing
  • Adjustable soft start
  • Power-good output
  • Output discharge (optional)
  • –40°C to 150°C junction temperature range
  • 2.0mm × 3.0mm QFN with 0.5mm pitch
  • Create a custom design using the TPS6296x with the WEBENCH Power Designer
  • Low output 1/f noise < 20µVRMS (100Hz to 100kHz)
  • Low output voltage ripple < 10µVRMS after ferrite bead
  • High PSRR of > 65dB (up to 100kHz)
  • 1.1MHz, 700kHz, or 500kHz fixed frequency peak current mode control
  • Synchronizable with external clock (optional)
  • Integrated loop compensation supports ferrite bead for second stage L-C filter with 30dB attenuation (optional)
  • Spread spectrum modulation (optional)
  • 3.0V to 17V input voltage range
  • 0.6V to 5.5V output voltage range
  • 25mΩ/7mΩ RDSon
  • Output voltage accuracy of ±1% over temperature
  • Precise enable input allows
    • User-defined undervoltage lockout
    • Exact sequencing
  • Adjustable soft start
  • Power-good output
  • Output discharge (optional)
  • –40°C to 150°C junction temperature range
  • 2.0mm × 3.0mm QFN with 0.5mm pitch
  • Create a custom design using the TPS6296x with the WEBENCH Power Designer

The TPS6296x devices are a family of high-efficiency, low noise, and low ripple current mode synchronous buck converters. The devices are designed for noise sensitive applications that normally use an LDO for post regulation such as high-speed ADCs, clock and jitter cleaner, serializer, de-serializer, and radar applications.

To reduce the output voltage ripple, the device loop compensation is designed to operate with an optional second-stage ferrite bead L-C filter. Low-frequency noise levels, similar to a low-noise LDO, are further achieved by filtering the internal voltage reference with a capacitor connected to the NR/SS pin. Combined, these features allow for an output voltage ripple below 10µVRMS.

The device operates at a fixed switching frequency of 1.1MHz, 700kHz, or 500kHz, and can be synchronized to an external clock. An optional spread spectrum modulation scheme spreads the DC/DC switching frequency over a wider span, which lowers the mixing spurs.

The TPS6296x devices are a family of high-efficiency, low noise, and low ripple current mode synchronous buck converters. The devices are designed for noise sensitive applications that normally use an LDO for post regulation such as high-speed ADCs, clock and jitter cleaner, serializer, de-serializer, and radar applications.

To reduce the output voltage ripple, the device loop compensation is designed to operate with an optional second-stage ferrite bead L-C filter. Low-frequency noise levels, similar to a low-noise LDO, are further achieved by filtering the internal voltage reference with a capacitor connected to the NR/SS pin. Combined, these features allow for an output voltage ripple below 10µVRMS.

The device operates at a fixed switching frequency of 1.1MHz, 700kHz, or 500kHz, and can be synchronized to an external clock. An optional spread spectrum modulation scheme spreads the DC/DC switching frequency over a wider span, which lowers the mixing spurs.
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Documentación técnica

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* Data sheet TPS6296x 3V to 17V, 4.5A/ 6A /8A , 0.6VREF, Low Noise and Low Ripple Buck Converter With Integrated Ferrite Bead Filter Compensation datasheet PDF | HTML 06 dic 2024
EVM User's guide TPS62968 Step-Down Converter Evaluation Module PDF | HTML 05 dic 2024

Diseño y desarrollo

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Placa de evaluación

TPS62968EVM — Módulo de evaluación TPS62968

El módulo de evaluación (EVM) TPS62968 (SR142) facilita la evaluación del TPS62968, TPS62966, y TPS62964. SR142 utiliza el TPS62968 de 8 A para generar un voltaje de salida de 0.6 V a partir de voltajes de entrada entre 3 V y 17 V. Gracias a que el TPS62968 cuenta con un nivel de ruido (...)

Guía del usuario: PDF | HTML
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Encapsulado Pines Símbolos CAD, huellas y modelos 3D
VQFN-HR (RPY) 14 Ultra Librarian
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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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