TPS61003 - 具有固定 2.5V 输出的低输入电压升压转换器

TPS61003是TI德州仪器公司的一款转换器（集成开关）产品，TPS61003是具有固定 2.5V 输出的低输入电压升压转换器，本站介绍了TPS61003的封装应用图解、特点和优点、功能等，并给出了与TPS61003相关的TI元器件型号供参考。

TPS61003 - 具有固定 2.5V 输出的低输入电压升压转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品特性

Start-Up Into a Full Load With Supply Voltages as Low as 0.9 V Over Full Temperature Range
Minimum 100-mA Output Current From 0.8-V Supply Voltage, 250 mA From 1.8 V
High Power Conversion Efficiency, up to 90%
Power-Save Mode for Improved Efficiency at Low Output Currents
Device Quiescent Current Less Than 50 µA
Added System Security With Integrated Low-Battery Comparator
Low-EMI Converter (Integrated Antiringing Switch Across Inductor)
Micro-Size 10-Pin MSOP Package
Evaluation Modules Available (TPS6100xEVM–156)

产品应用

Single- and Dual-Cell Battery Operated Products
MP3-Players and Wireless Headsets
Pagers and Cordless Phones
Portable Medical Diagnostic Equipment
Remote Controls

产品说明

The TPS6100x 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 and provides a minimum output current of 100 mA from a single battery cell and 250 mA from two battery cells. The converter starts up into a full load with a supply voltage of 0.9 V and stays in operation with supply voltages as low as 0.8 V.

The converter is based on a fixed-frequency, current-mode pulse-width-modulation (PWM) controller that goes into power-save mode at low load currents. The current through the switch is limited to a maximum of 1100 mA, depending on the output voltage. The current sense is integrated to further minimize external component count. The converter can be disabled to minimize battery drain when the system is put into standby.

A low-EMI mode is implemented to reduce interference and radiated electromagnetic energy that is caused by the ringing of the inductor when the inductor discharge-current decreases to zero. The device is packaged in the space-saving 10-pin MSOP package.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS6100x	VSSOP (10)	3.00 mm × 3.00 mm

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