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TPS62243 - 产品图解：
TPS62243-采用 2x2mm SON/TSOT23 封装的 1.8V/300mA 降压转换器
TPS62243-转换器（集成开关）-DC/DC开关稳压器-电源管理
TPS62243-TPS6224x 2.25-MHz 300-mA Step-Down Converter in 2 x 2 WSON and SOT Package
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TI产品 - TPS62243介绍

TPS62243 - 采用 2x2mm SON/TSOT23 封装的 1.8V/300mA 降压转换器

TPS62243是TI德州仪器公司的一款转换器（集成开关）产品，TPS62243是采用 2x2mm SON/TSOT23 封装的 1.8V/300mA 降压转换器，本站介绍了TPS62243的封装应用图解、特点和优点、功能等，并给出了与TPS62243相关的TI元器件型号供参考。

TPS62243 - 采用 2x2mm SON/TSOT23 封装的 1.8V/300mA 降压转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品特性
  • High Efficiency - Greater Than 94%
  • Output Current up to 300 mA
  • VIN Range from 2 V to 6 V for Li-ion Batteries With Extended Voltage Range
  • 2.25-MHz Fixed-Frequency Operation
  • Power Save Mode at Light Load Currents
  • Output Voltage Accuracy in PWM Mode ±1.5%
  • Adjustable Output Voltage from 0.6 V to VIN
  • Typical 15-μA Quiescent Current
  • 100% Duty Cycle for Lowest Dropout
  • Available in a SOT (5) and 2-mm × 2-mm × 0.8-mm WSON (6) Package
  • Allows <1-mm Solution Height
产品应用
  • Bluetooth™ Headsets
  • Mobile Phones, Smart Phones
  • WLAN
  • Low Power DSP Supplies
  • Portable Media Players
  • Digital Cameras
产品说明

The TPS6224x device is a highly efficient synchronous step-down DC-DC converter. The device provides up to 300-mA output current from a single Li-Ion cell and is ideal for battery powered portable applications like mobile phones and other portable equipment.

With an wide input voltage range of 2 V to 6 V, the device also supports two- and three-cell alkaline, 3.3-V and 5-V input voltage rails.

The TPS6224x operates at 2.25-MHz fixed switching frequency and enters power save mode operation at light load currents to maintain high efficiency over the entire load current range.

The power save mode is optimized for low output voltage ripple. For low-noise applications, the device can be forced into fixed-frequency pulse width modulation (PWM) mode by pulling the MODE pin high. In shutdown mode, the current consumption is reduced to less than 1μA. The TPS6224x allows the use of small inductors and capacitors to achieve a small solution size.

The TPS6224x operates over a free-air temperature range of –40°C to 85°C. The device is available in a 5-pin SOT and a 6-pin 2-mm × 2-mm WSON package.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TPS6224xWSON (6)2.00 mm × 2.00 mm
SOT (5)2.90 mm × 1.60 mm
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