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TPS61252 - 产品图解：
TPS61252-具有可调节输入电流限制的 3.5MHz、1.5A、92% 高效升压转换器
TPS61252-转换器（集成开关）-DC/DC开关稳压器-电源管理
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TI产品 - TPS61252介绍

TPS61252 - 具有可调节输入电流限制的 3.5MHz、1.5A、92% 高效升压转换器

TPS61252是TI德州仪器公司的一款转换器（集成开关）产品，TPS61252是具有可调节输入电流限制的 3.5MHz、1.5A、92% 高效升压转换器，本站介绍了TPS61252的封装应用图解、特点和优点、功能等，并给出了与TPS61252相关的TI元器件型号供参考。

TPS61252 - 具有可调节输入电流限制的 3.5MHz、1.5A、92% 高效升压转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品特性
  • Resistor Programmable Input Current Limit
    • ±20% Current Accuracy at 500 mA over Full Temperature Range
    • Programmable from 100 mA up to 1500 mA
  • Up to 92% Efficiency
  • VIN Range from 2.3 V to 6.0 V
  • Power Good Indicates Appropriate Output Voltage Level
  • Adjustable Output Voltage up to 6.5 V
  • 100% Duty-Cycle Mode When VIN > VOUT
  • Load Disconnect and Reverse Current Protection
  • Short Circuit Protection
  • Typical Operating Frequency 3.25 MHz
  • Available in a 2-mm × 2-mm WSON-8 Package
产品应用
  • USB Host Supplies from a Single Li-Ion Battery
  • Current Limited Applications
  • Li-Ion Applications
  • Audio Applications
  • RF-PA Buffer
产品说明

The TPS61252 device provides a power supply solution for products powered by either a three-cell alkaline, NiCd or NiMH battery, or an one-cell Li-Ion or Li-polymer battery. The wide input voltage range is ideal to power portable applications like mobile phones or computer peripherals. The device has a resistor programmable (RILIM) input current limit and is suitable for a wide variety of applications.

During light loads, the device automatically enters skip mode (PFM), which allows the converter to maintain the required output voltage, while only drawing 30 μA quiescent current from the battery. This allows maximum efficiency at lowest quiescent currents.

TPS61252 allows the use of small inductors and capacitors to achieve a small solution size. The possibility to reduce the current limit by a external resistor offers the potential use of physically even smaller inductors with lower rated currents to further reduce total solution sizes of the power supply. During shutdown, the load is completely disconnected from the battery. The TPS61252 is available in a 8-pin WSON package measuring 2 mm × 2 mm (DSG).

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TPS61252WSON (8)2.00 mm x 2.00 mm
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