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TPS40131

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具有集成 Mosfet 驱动器的二相同步降压控制器

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TPS40131

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产品详情

Vin (min) (V) 1 Vin (max) (V) 40 Iout (max) (A) 50 Operating temperature range (°C) -40 to 85 Control mode current mode Rating Catalog Vout (min) (V) 0.7 Vout (max) (V) 5.8 Iq (typ) (A) 0.001 Duty cycle (max) (%) 87.5 Number of phases 2
Vin (min) (V) 1 Vin (max) (V) 40 Iout (max) (A) 50 Operating temperature range (°C) -40 to 85 Control mode current mode Rating Catalog Vout (min) (V) 0.7 Vout (max) (V) 5.8 Iq (typ) (A) 0.001 Duty cycle (max) (%) 87.5 Number of phases 2
VQFN (RHB) 32 25 mm² 5 x 5
  • Supports 5-V Output
  • Two-Phase Interleaved Operation
  • Operates With Pre-Biased Outputs
  • 1-V to 40-V Power Stage Operation Range
  • Requires VIN5 @ 50 mA (typ) Depending on External MOSFETs and Switching Frequency
  • 10-µA Shutdown Current
  • Programmable Switching Frequency up to 1 MHz/Phase
  • Current Mode Control with Forced Current Sharing
  • Better than 1% Internal 0.7-V Reference
  • Resistive Divider Sets Direct Output Over Voltage Threshold.
  • Programmable Input Undervoltage Lockout
  • True Remote Sensing Differential Amplifier
  • Resistive or Inductor’s DCR Current Sensing
  • 32-Pin QFN Package
  • Can Be Used with TPS40120 to Provide a 6-Bit Digitally Controlled Output
  • APPLICATIONS
    • Point-of-Load Converter
    • Graphic Cards
    • Internet Servers
    • Networking Equipment
    • Telecommunications Equipment
    • DC Power Distributed Systems

  • Supports 5-V Output
  • Two-Phase Interleaved Operation
  • Operates With Pre-Biased Outputs
  • 1-V to 40-V Power Stage Operation Range
  • Requires VIN5 @ 50 mA (typ) Depending on External MOSFETs and Switching Frequency
  • 10-µA Shutdown Current
  • Programmable Switching Frequency up to 1 MHz/Phase
  • Current Mode Control with Forced Current Sharing
  • Better than 1% Internal 0.7-V Reference
  • Resistive Divider Sets Direct Output Over Voltage Threshold.
  • Programmable Input Undervoltage Lockout
  • True Remote Sensing Differential Amplifier
  • Resistive or Inductor’s DCR Current Sensing
  • 32-Pin QFN Package
  • Can Be Used with TPS40120 to Provide a 6-Bit Digitally Controlled Output
  • APPLICATIONS
    • Point-of-Load Converter
    • Graphic Cards
    • Internet Servers
    • Networking Equipment
    • Telecommunications Equipment
    • DC Power Distributed Systems

The TPS40131 is a two-phase synchronous buck controller that is optimized for low-output voltage, high-output current applications powered from a supply between 1 V and 40 V. A multi-phase converter offers several advantages over a single power stage including lower current ripple on the input and output capacitors, faster transient response to load steps, improved power handling capabilities, and higher system efficiency.

Each phase can be operated at a switching frequency up to 1 MHz, resulting in an effective ripple frequency of up to 2 MHz at the input and the output. The two phases operates 180 degrees out-of-phase.

The TPS40131 is a two-phase synchronous buck controller that is optimized for low-output voltage, high-output current applications powered from a supply between 1 V and 40 V. A multi-phase converter offers several advantages over a single power stage including lower current ripple on the input and output capacitors, faster transient response to load steps, improved power handling capabilities, and higher system efficiency.

Each phase can be operated at a switching frequency up to 1 MHz, resulting in an effective ripple frequency of up to 2 MHz at the input and the output. The two phases operates 180 degrees out-of-phase.

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类型 标题 下载最新的英语版本 日期
* 数据表 Two-Phase Synchronous Buck Controller w/Integrated MOSFET Drivers 数据表 2007年 2月 12日
应用手册 'C6472 12Vin Flexible Pwr Design Using DCDC Controllers and LDOs (8x C6472) 2010年 3月 26日
应用手册 TMS320C6472 5V Input Pwr Design, Integrated FET DC/DC Converters and Controllers 2010年 3月 26日
EVM 用户指南 Using the TPS40131EVM, A 40A Single Output Two-Phase Synchronous Buck Converter (Rev. A) 2007年 5月 8日
EVM 用户指南 Using the TPS40131EVM, A 40A Single Output Two-Phase Synchronous Buck Converter 2007年 2月 23日

设计和开发

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封装 引脚 下载
VQFN (RHB) 32 查看选项
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订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

支持和培训

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