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TPS5450-Q1 - 产品图解:
TPS5450-Q1-汽车类 5A、宽输入降压 SWIFT 转换器
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TI产品 - TPS5450-Q1介绍
TPS5450-Q1 - 汽车类 5A、宽输入降压 SWIFT 转换器

TPS5450-Q1是TI公司的一款转换器(集成开关)产品,TPS5450-Q1是汽车类 5A、宽输入降压 SWIFT 转换器,本页介绍了TPS5450-Q1的产品说明、应用、特性等,并给出了与TPS5450-Q1相关的TI元器件型号供参考。

TPS5450-Q1 - 汽车类 5A、宽输入降压 SWIFT 转换器 - 转换器(集成开关) - DC/DC开关稳压器 - TI公司(Texas Instruments,德州仪器)

产品描述

As a member of the SWIFT™ family of DC/DC regulators, the TPS5450 is a high-output-current PWM converter that integrates a low-resistance high-side N-channel MOSFET. Included on the substrate with the listed features are a high-performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions, an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 5.5V, an internally set slow-start circuit to limit inrush currents, and a voltage feed-forward circuit to improve the transient response. Using the ENA pin, shutdown supply current is reduced to 18 µA typically. Other features include an active-high enable, overcurrent limiting, overvoltage protection, and thermal shutdown. To reduce design complexity and external component count, the TPS5450 feedback loop is internally compensated.

The TPS5450 device is available in a thermally enhanced, 8-pin SOIC PowerPAD™ package. TI provides evaluation modules and software tools to aid in achieving high-performance power supply designs to meet aggressive equipment development cycles.

产品特性

  • Qualified for Automotive Applications
  • Wide Input Voltage Range: 5.5 V to 36 V
  • Up to 5-A Continuous (6-A Peak) Output Current
  • High Efficiency Greater than 90% Enabled by 110-mΩ Integrated MOSFET Switch
  • Wide Output Voltage Range: Adjustable Down to 1.22 V with 1.5% Initial Accuracy
  • Internal Compensation Minimizes External Parts Count
  • Fixed 500-kHz Switching Frequency for Small Filter Size
  • 18-µA Shutdown Supply Current
  • Improved Line Regulation and Transient Response by Input Voltage Feed Forward
  • System Protected by Overcurrent Limiting, Overvoltage Protection, and Thermal Shutdown
  • –40°C to 125°C Operating Junction Temperature Range
  • Available in Small Thermally Enhanced 8-Pin SOIC PowerPAD Package
  • For SWIFT™ Documentation, Application Reports and Design Software, See the TI Website at www.ti.com/swift

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