Inicio Gestión de la energía AC/DC & DC/DC converters (integrated FET)
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Gestión de la energía
AC/DC & DC/DC converters (integrated FET)

TPS54980

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Convertidor reductor síncrono con entrada de 3.3 V y 9 A para secuenciación

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TPS54980

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Detalles del producto

Iout (max) (A) 9 Vin (min) (V) 3 Vin (max) (V) 4 Topology Buck Type Converter Switching frequency (min) (kHz) 280 Switching frequency (max) (kHz) 700 Features Enable, Power good, Synchronous Rectification, Tracking Control mode Voltage mode Vout (min) (V) 0.9 Vout (max) (V) 2.5 Rating Catalog Operating temperature range (°C) 0 to 70 Iq (typ) (A) 0.011
Iout (max) (A) 9 Vin (min) (V) 3 Vin (max) (V) 4 Topology Buck Type Converter Switching frequency (min) (kHz) 280 Switching frequency (max) (kHz) 700 Features Enable, Power good, Synchronous Rectification, Tracking Control mode Voltage mode Vout (min) (V) 0.9 Vout (max) (V) 2.5 Rating Catalog Operating temperature range (°C) 0 to 70 Iq (typ) (A) 0.011
HTSSOP (PWP) 28 62.08 mm² 9.7 x 6.4
  • Power Up/Down Tracking For Sequencing
  • 15-m MOSFET Switches for High Efficiency at 9-A Continuous Output Source or Sink Current
  • Wide PWM Frequency:
       Fixed 350 kHz or Adjustable 280 kHz to 700 kHz
  • Power Good and Enable
  • Load Protected by Peak Current Limit and Thermal Shutdown
  • Integrated Solution Reduces Board Area and Component Count
  • APPLICATIONS
    • Low-Voltage, High-Density Distributed Power Systems
    • Point of Load Regulation for High Performance DSPs, FPGAs, ASICs and Microprocessors Requiring Sequencing
    • Broadband, Networking and Optical Communications Infrastructure

PowerPAD and SWIFT are trademarks of Texas Instruments.
  • Power Up/Down Tracking For Sequencing
  • 15-m MOSFET Switches for High Efficiency at 9-A Continuous Output Source or Sink Current
  • Wide PWM Frequency:
       Fixed 350 kHz or Adjustable 280 kHz to 700 kHz
  • Power Good and Enable
  • Load Protected by Peak Current Limit and Thermal Shutdown
  • Integrated Solution Reduces Board Area and Component Count
  • APPLICATIONS
    • Low-Voltage, High-Density Distributed Power Systems
    • Point of Load Regulation for High Performance DSPs, FPGAs, ASICs and Microprocessors Requiring Sequencing
    • Broadband, Networking and Optical Communications Infrastructure

PowerPAD and SWIFT are trademarks of Texas Instruments.

As a member of the SWIFT™ family of dc/dc regulators, the TPS54980 low-input voltage high-output current synchronous buck PWM converter integrates all required active components. Using the TRACKIN pin with other regulators, simultaneous power up and down are easily implemented. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that enables maximum performance and flexibility in choosing the output filter L and C components; an under-voltage-lockout circuit to prevent start-up until the input voltage reaches 3 V; an internally or externally set slow-start circuit to limit inrush currents; and a power good output useful for processor/logic reset.

The TPS54980 is available in a thermally enhanced 28-pin TSSOP (PWP) PowerPAD™ package, which eliminates bulky heatsinks. TI provides evaluation modules and the SWIFT™ designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

As a member of the SWIFT™ family of dc/dc regulators, the TPS54980 low-input voltage high-output current synchronous buck PWM converter integrates all required active components. Using the TRACKIN pin with other regulators, simultaneous power up and down are easily implemented. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that enables maximum performance and flexibility in choosing the output filter L and C components; an under-voltage-lockout circuit to prevent start-up until the input voltage reaches 3 V; an internally or externally set slow-start circuit to limit inrush currents; and a power good output useful for processor/logic reset.

The TPS54980 is available in a thermally enhanced 28-pin TSSOP (PWP) PowerPAD™ package, which eliminates bulky heatsinks. TI provides evaluation modules and the SWIFT™ designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.
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Documentación técnica

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Tipo Título Fecha
* Data sheet Tracking Synchronous Buck PWM Switcher w/Integrated FETs (SWIFT) For Sequencing datasheet (Rev. A) 11 feb 2005
Application note Using TPS54x80 Tracking SWIFT(TM) dc/dc Converters f/Simult. Tkg of Input Supply 10 feb 2005
Application note Thermal Performance of SWIFT(TM) DC/DC Converters in the 28-Pin HTSSOP Package 04 feb 2005
More literature XILINXPWR-082 EVM 23 jul 2004
EVM User's guide TPS54980EVM-022 9-Amp Swift Regulator Evaluation Module 01 ago 2003
Application note Sequencing with TPS54x80 and TPS54x73 DC/DC Converters 14 abr 2003
Application note Using Low Voltage SWIFT DC/DC Converters with Ceramic Capacitors 08 ene 2003

Diseño y desarrollo

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HTSSOP (PWP) 28 Ver opciones
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  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
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