TPS62261-Q1 - 采用 2x2mm SON/TSOT23 封装的汽车类 2.25MHz 600mA 降压转换器

TPS62261-Q1是TI德州仪器公司的一款转换器（集成开关）产品，TPS62261-Q1是采用 2x2mm SON/TSOT23 封装的汽车类 2.25MHz 600mA 降压转换器，本站介绍了TPS62261-Q1的封装应用图解、特点和优点、功能等，并给出了与TPS62261-Q1相关的TI元器件型号供参考。

TPS62261-Q1 - 采用 2x2mm SON/TSOT23 封装的汽车类 2.25MHz 600mA 降压转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品描述

The TPS6226x devices are high-efficiency synchronous step-down dc-dc converters optimized for battery powered applications. It provides up to 600-mA output current from a single Li-Ion cell and is ideal to power mobile phones and other portable applications.

With an wide input voltage range of 2 V to 6 V, the device supports applications powered by Li-Ion batteries with extended voltage range, two and three cell alkaline batteries, 3.3-V and 5-V input voltage rails.

The TPS6226x 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 PWM mode by pulling the MODE pin high. In the shutdown mode, the current consumption is reduced to less than 1 µA. TPS6226x allows the use of small inductors and capacitors to achieve a small solution size.

The TPS6226x is available in a very small 2×2mm 6-pin SON package.

产品特性

Qualified for Automotive Applications
High-Efficiency Step-Down Converter
Output Current up to 600 mA
Wide 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%
15-µA (Typ) Quiescent Current
100% Duty Cycle for Lowest Dropout
Soft Start
Voltage Positioning at Light Loads
Available in a Small 2×2×0,8-mm SON Package
Allows <1-mm Solution Height
APPLICATIONS
- PDAs, Pocket PCs
- Low Power DSP Supply
- Portable Media Players
- POL applications

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