TPS62202 - 采用 SOT-23 封装的 1.8V 300mA 输出的 95% 效率步降转换器

TPS62202是TI德州仪器公司的一款转换器（集成开关）产品，TPS62202是采用 SOT-23 封装的 1.8V 300mA 输出的 95% 效率步降转换器，本站介绍了TPS62202的封装应用图解、特点和优点、功能等，并给出了与TPS62202相关的TI元器件型号供参考。

TPS62202 - 采用 SOT-23 封装的 1.8V 300mA 输出的 95% 效率步降转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品特性

High-Efficiency Synchronous Step-Down Converter With up to 95% Efficiency
2.5-V to 6-V Input Voltage Range
Adjustable Output Voltage Range From 0.7 V to VI
Fixed Output Voltage Options Available
Up to 300-mA Output Current
1-MHz Fixed-Frequency PWM Operation
Highest Efficiency Over Wide Load Current Range Due to Power Save Mode
15-µA Typical Quiescent Current
Soft Start
100% Duty Cycle Low-Dropout Operation
Dynamic Output-Voltage Positioning
Available in a 5-Pin SOT23 Package

产品应用

PDAs and Pocket PCs
Cellular Phones and Smart Phones
Low Power DSP Supplies
Digital Cameras
Portable Media Players
Portable Equipment

产品说明

The TPS6220x devices are a family of high-efficiency synchronous step-down converters ideally suited for portable systems powered by 1-cell Li-Ion or 3-cell NiMH/NiCd batteries. The devices are also suitable to operate from a standard 3.3-V or 5-V voltage rail.

With an output voltage range of 6 V down to 0.7 V and up to 300 mA output current, the devices are ideal to power low voltage DSPs and processors used in PDAs, pocket PCs, and smart phones. Under nominal load current, the devices operate with a fixed switching frequency of typically 1 MHz. At light load currents, the part enters the power save mode operation; the switching frequency is reduced and the quiescent current is typically only 15 µA; therefore, it achieves the highest efficiency over the entire load current range. The TPS6220x needs only three small external components. Together with the SOT23 package, a minimum system solution size is achieved. An advanced fast response voltage mode control scheme achieves superior line and load regulation with small ceramic input and output capacitors.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS6220x	SOT-23 (5)	2.90 mm × 1.60 mm

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