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TPS54980

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3.3V 输入、9A 同步降压转换器，用于进行定序

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TPS54980

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产品详情

Rating Catalog Topology Buck Iout (max) (A) 9 Vin (max) (V) 4 Vin (min) (V) 3 Vout (max) (V) 2.5 Vout (min) (V) 0.9 Features Enable, Power good, Synchronous Rectification, Tracking Control mode Voltage mode Operating temperature range (°C) 0 to 70 Iq (typ) (A) 0.011 Duty cycle (max) (%) 90
Rating Catalog Topology Buck Iout (max) (A) 9 Vin (max) (V) 4 Vin (min) (V) 3 Vout (max) (V) 2.5 Vout (min) (V) 0.9 Features Enable, Power good, Synchronous Rectification, Tracking Control mode Voltage mode Operating temperature range (°C) 0 to 70 Iq (typ) (A) 0.011 Duty cycle (max) (%) 90
HTSSOP (PWP) 28 62.08 mm² (9.7 mm × 6.4 mm)
  • 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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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 Tracking Synchronous Buck PWM Switcher w/Integrated FETs (SWIFT) For Sequencing 数据表 (Rev. A) 2005-2-11

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