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TPS54326 - 产品图解:
TPS54326-具有 Eco-Mode? 的 4.5V 至 18V 输入、3A 同步降压 SWIFT? 转换器
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TI产品 - TPS54326介绍
TPS54326 - 具有 Eco-Mode? 的 4.5V 至 18V 输入、3A 同步降压 SWIFT? 转换器

TPS54326是TI公司的一款转换器(集成开关)产品,TPS54326是具有 Eco-Mode? 的 4.5V 至 18V 输入、3A 同步降压 SWIFT? 转换器,本页介绍了TPS54326的产品说明、应用、特性等,并给出了与TPS54326相关的TI元器件型号供参考。

TPS54326 - 具有 Eco-Mode? 的 4.5V 至 18V 输入、3A 同步降压 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

The TPS54326 is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54326 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54326 uses the D-CAP2™ mode control which provides a fast transient response with no external components. The adoptive on-time control supports seamless operation between PWM mode at heavy load condition and reduced frequency Eco-mode operation at light load for high efficiency.

The TPS54326 also has a proprietary circuit that enables the device to adapt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-V to 18-V VCC input , and from 2-V to 18-V VIN input power supply voltage. The output voltage can be programmed between 0.76 V and 5.5 V. The device also features an adjustable slow start time and a power good function. The TPS54326 is available in the 14 pin HTSSOP or 16 pin QFN package, and designed to operate from –40°C to 85°C.

产品特性

  • D-CAP2 Mode Enables Fast Transient Response
  • Low Output Ripple and Allows Ceramic Output Capacitor
  • Wide VCC Input Voltage Range: 4.5 V to 18 V
  • Wide VIN Input Voltage Range: 2 V to 18 V
  • Output Voltage Range: 0.76 V to 5.5 V
  • Highly Efficient Integrated FET’s Optimized for Lower Duty Cycle Applications - 120 mΩ (High Side) and 70 mΩ (Low Side)
  • High Efficiency, less than 10 µA at Shutdown
  • Auto-Skip Eco-mode™ for High Efficiency at Light Load
  • High Initial Bandgap Reference Accuracy
  • Adjustable Soft Start
  • Pre-Biased Soft Start
  • 700-kHz Switching Frequency (fSW)
  • Cycle-By-Cycle Overcurrent Limit
  • Power Good Output
  • APPLICATIONS
    • Wide Range of Applications for Low Voltage System
      • Digital TV Power Supply
      • High Definition Blu-ray Disc Players
      • Networking Home Terminal
      • Digital Set Top Box (STB)

D-CAP2 Is a trademark of Texas InstrumentsPower PAD Is a trademark of Texas InstrumentsPower

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