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AC/DC 和 DC/DC 轉換器 (整合式 FET)

TPS54312

現行

具有 1.2V 輸出的 3V 至 6V 輸入、3A 同步降壓式 SWIFT™ 轉換器 

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TPS54312

現行
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產品詳細資料

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 3 Vin (max) (V) 6 Switching frequency (min) (kHz) 280 Switching frequency (max) (kHz) 700 Features Enable, Power good, Synchronous Rectification Control mode Voltage mode Vout (min) (V) 1.2 Vout (max) (V) 1.2 Iq (typ) (µA) 6200 Duty cycle (max) (%) 90
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 3 Vin (max) (V) 6 Switching frequency (min) (kHz) 280 Switching frequency (max) (kHz) 700 Features Enable, Power good, Synchronous Rectification Control mode Voltage mode Vout (min) (V) 1.2 Vout (max) (V) 1.2 Iq (typ) (µA) 6200 Duty cycle (max) (%) 90
HTSSOP (PWP) 20 41.6 mm² 6.5 x 6.4
  • 60-mΩ, MOSFET Switches for High Efficiency at 3-A
    Continuous Output Source and Sink Current
  • 0.9-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V Fixed Output
    Voltage Devices With 1.0% Initial Accuracy
  • Internally Compensated for Low Parts Count
  • Fast Transient Response
  • Wide PWM Frequency – Fixed 350 kHz, 550 kHz or Adjustable
    280 kHz to 700 kHz
  • Load Protected by Peak Current Limit and Thermal Shutdown
  • Integrated Solution Reduces Board Area and Total Cost
  • 60-mΩ, MOSFET Switches for High Efficiency at 3-A
    Continuous Output Source and Sink Current
  • 0.9-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V Fixed Output
    Voltage Devices With 1.0% Initial Accuracy
  • Internally Compensated for Low Parts Count
  • Fast Transient Response
  • Wide PWM Frequency – Fixed 350 kHz, 550 kHz or Adjustable
    280 kHz to 700 kHz
  • Load Protected by Peak Current Limit and Thermal Shutdown
  • Integrated Solution Reduces Board Area and Total Cost

As members of the SWIFT™ family of DC - DC regulators, the TPS54311, TPS54312, TPS54313, TPS54314, TPS54315 and TPS54316 low-input-voltage high-outputcurrent synchronous-buck PWM converters integrate all required active components. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that provides high performance under transient conditions; an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 3 V; an internally and externally set slow-start circuit to limit in-rush currents; and a powergood output useful for processor/logic reset, fault signaling, and supply sequencing.

The TPS54311, TPS54312, TPS54313, TPS54314, TPS54315 and TPS54316 devices are available in a thermally enhanced 20-pin HTSSOP (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 members of the SWIFT™ family of DC - DC regulators, the TPS54311, TPS54312, TPS54313, TPS54314, TPS54315 and TPS54316 low-input-voltage high-outputcurrent synchronous-buck PWM converters integrate all required active components. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that provides high performance under transient conditions; an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 3 V; an internally and externally set slow-start circuit to limit in-rush currents; and a powergood output useful for processor/logic reset, fault signaling, and supply sequencing.

The TPS54311, TPS54312, TPS54313, TPS54314, TPS54315 and TPS54316 devices are available in a thermally enhanced 20-pin HTSSOP (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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* Data sheet TPS5431x 3-V to 6-V Input, 3-A Output Synchronous Buck PWM Switcher With Integrated FETs (SWIFT™) datasheet (Rev. C) PDF | HTML 2015年 1月 15日

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