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TPS61070DDCR开关稳压器 Adj原装德州TI
Texas Instruments
开关稳压器
SMD/SMT
SOT-23-6
1.8 V to 5.5 V
700 mA
1 Output
Boost
1.2 MHz
- 40 C to + 85 C
相关产品
产品信息
1特征3描述
TPS6107x装置提供1•90%效率的同步升压转换器
产品的解决方案由一个电池供电,
- 75毫安输出电流在3.3 V从0.9-V二电池,或三电池碱性,镍镉或镍氢,或一个输入
电池锂离子或锂聚合物电池。输出电流可以
-使用单片机时,1.8-V的150毫安输出电流高达75毫安
输入碱性,放电至0.9 V。它还可以
用于生成5 V 3.3 200 mA - V•设备静态电流:19μA(Typ)铁路或一个锂离子电池。升压转换器是基于
•输入电压范围:在固定频率上0.9 V - 5.5 V,脉宽调制(PWM)
•可调输出电压5.5 V控制器使用同步整流器获得
•省电模式版本,效率。在低负载电流
TPS61070和TPS61073进入低功率节能,提高效率
在宽负载下保持高效率的模式
•关闭电流范围内的负载断开。电源保存模式被禁用
•过热保护TPS61071和TPS61072,迫使转换器
•小型6针薄SOT23封装,以固定开关频率运行。的
升压开关的峰值电流通常是
以600毫安为限。
TPS61070DDCRTPS61070DDCRTPS61070DDCRTPS61070DDCR
1 Features 3 Description
The TPS6107x devices provide a power supply 1• 90% Efficient Synchronous Boost Converter
solution for products powered by either a one-cell,
– 75-mA Output Current at 3.3 V From 0.9-V two-cell, or three-cell alkaline, NiCd or NiMH, or oneInput
cell Li-ion or Li-polymer battery. Output currents can
– 150-mA Output Current at 3.3 V From 1.8-V go as high as 75 mA while using a single-cell
Input alkaline, and discharge it down to 0.9 V. It can also
be used for generating 5 V at 200 mA from a 3.3-V • Device Quiescent Current: 19 μA (Typ) rail or a Li-ion battery. The boost converter is based
• Input Voltage Range: 0.9 V to 5.5 V on a fixed frequency, pulse-width-modulation (PWM)
• Adjustable Output Voltage Up to 5.5 V controller using a synchronous rectifier to obtain
• Power-Save Mode Version Available for maximum efficiency. At low load currents the
TPS61070 and TPS61073 enter the power-save Improved Efficiency at Low Output Power
mode to maintain a high efficiency over a wide load
• Load Disconnect During Shutdown current range. The power-save mode is disabled in
• Overtemperature Protection the TPS61071 and TPS61072, forcing the converters
• Small 6-Pin Thin SOT23 Package to operate at a fixed switching frequency. The
maximum peak current in the boost switch is typically
limited to a value of 600 mA.