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TPS61014 - 产品图解：
TPS61014-具有固定 2.8V 输出的低输入电压同步升压转换器
TPS61014-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 - TPS61014介绍

TPS61014 - 具有固定 2.8V 输出的低输入电压同步升压转换器

TPS61014是TI德州仪器公司的一款转换器（集成开关）产品，TPS61014是具有固定 2.8V 输出的低输入电压同步升压转换器，本站介绍了TPS61014的封装应用图解、特点和优点、功能等，并给出了与TPS61014相关的TI元器件型号供参考。

TPS61014 - 具有固定 2.8V 输出的低输入电压同步升压转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品特性
  • Integrated Synchronous Rectifier for Highest Power Conversion Efficiency (> 95%)
  • Start-Up Into Full Load With Supply Voltages as Low as 0.9 V, Operating Down to 0.8 V
  • 200-mA Output Current From 0.9-V Supply
  • Powersave-Mode for Improved Efficiency at Low Output Currents
  • Autodischarge Allows to Discharge Output Capacitor During Shutdown
  • Device Quiescent Current Less Than 50 μA
  • Ease-of-Use Through Isolation of Load From Battery During Shutdown of Converter
  • Integrated Antiringing Switch Across Inductor
  • Integrated Low Battery Comparator
  • Micro-Small 10-Pin MSOP or 3 mm x 3 mm QFN Package
  • EVM Available (TPS6101xEVM-157)
产品应用
  • All Single- or Dual-Cell Battery Operated Products
    • Internet Audio Players
    • Pager
    • Portable Medical Diagnostic Equipment
    • Remote Control
    • Wireless Headsets
Simplified Application Circuit
产品说明

The TPS6101x devices are boost converters intended for systems that are typically operated from a single- or dual-cell nickel-cadmium (NiCd), nickel-metal hydride (NiMH), or alkaline battery.

The converter output voltage can be adjusted from 1.5 V to a maximum of 3.3 V, by an external resistor divider or, is fixed internally on the chip. The devices provide an output current of 200 mA with a supply voltage of only 0.9 V. The converter starts up into a full load with a supply voltage of only 0.9 V and stays in operation with supply voltages down to 0.8 V.

The converter is based on a fixed frequency, current mode, pulse-width-modulation (PWM) controller that goes automatically into power save mode at light load. It uses a built-in synchronous rectifier, so, no external Schottky diode is required and the system efficiency is improved. The current through the switch is limited to a maximum value of 1300 mA. The converter can be disabled to minimize battery drain. During shutdown, the load is completely isolated from the battery.

An autodischarge function allows discharging the output capacitor during shutdown mode. This is especially useful when a microcontroller or memory is supplied, where residual voltage across the output capacitor can cause malfunction of the applications. When programming the ADEN-pin, the autodischarge function can be disabled. A low-EMI mode is implemented to reduce interference and radiated electromagnetic energy when the converter enters the discontinuous conduction mode. The device is packaged in the micro-small space saving 10-pin MSOP package. The TPS61010 is also available in a 3 mm x 3 mm 10-pin QFN package.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TPS61010VSSOP (10)3.00 mm x 3.00 mm
VSON (10)
TPS61011VSSOP (10)3.00 mm x 3.00 mm
TPS61012
TPS61013
TPS61014
TPS61015
TPS61016
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