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TPS54325 - 产品图解：
TPS54325-4.5V 至 18V 输入、3A 同步降压 SWIFT? 转换器
TPS54325-转换器（集成开关）-DC/DC开关稳压器-电源管理
TPS54325-TPS54325 4.5-V to 18-V, 3-A Output Synchronous Step Down Switcher with Integrated FET
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TI产品 - TPS54325介绍

TPS54325 - 4.5V 至 18V 输入、3A 同步降压 SWIFT? 转换器

TPS54325是TI德州仪器公司的一款转换器（集成开关）产品，TPS54325是4.5V 至 18V 输入、3A 同步降压 SWIFT? 转换器，本站介绍了TPS54325的封装应用图解、特点和优点、功能等，并给出了与TPS54325相关的TI元器件型号供参考。

TPS54325 - 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 - 德州仪器

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: 2.0 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
  • High Initial Bandgap Reference Accuracy
  • Adjustable Soft Start
  • Pre-Biased Soft Start
  • 700-kHz Switching Frequency (fSW)
  • Cycle By Cycle Over Current Limit
  • Power Good Output
产品应用
  • Wide Range of Applications for Low Voltage System
    • Digital TV Power Supply
    • High Definition Blu-rayDisc™ Players
    • Networking Home Terminal
    • Digital Set Top Box (STB)
产品说明

The TPS54325 device is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54325 device 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 TPS54325 uses the D-CAP2™ mode control which provides a very fast transient response with no external components. The TPS54325 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 2.0-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 TPS54325 is available in the 14 pin HTSSOP package, and designed to operate from –40°C to 85°C.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TPS54325HTSSOP (14)5.00 mm × 4.40 mm
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