TPS62020 - 可调节 600mA 95% 效率步降转换器，静态电流 18uA，采用 MSOP-10 封装

TPS62020是TI德州仪器公司的一款转换器（集成开关）产品，TPS62020是可调节 600mA 95% 效率步降转换器，静态电流 18uA，采用 MSOP-10 封装，本站介绍了TPS62020的封装应用图解、特点和优点、功能等，并给出了与TPS62020相关的TI元器件型号供参考。

TPS62020 - 可调节 600mA 95% 效率步降转换器，静态电流 18uA，采用 MSOP-10 封装 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品描述

The TPS6202x is a high efficiency synchronous step-down dc-dc converter optimized for battery powered portable applications. This device is ideal for portable applications powered by a single Li-Ion battery cell or by 3-cell NiMH/NiCd batteries. With an output voltage range from 6.0 V down to 0.7 V, the device supports low voltage DSPs and processors in PDAs, pocket PCs, as well as notebooks and subnotebook computers. The TPS6202x operates at a fixed switching frequency of 1.25 MHz and enters the power save mode operation at light load currents to maintain high efficiency over the entire load current range. For low noise applications, the device can be forced into fixed frequency PWM mode by pulling the MODE pin high. The difference between the TPS6202x and the TPS62021 is the logic level of the MODE pin. The TPS62021 has an active-low MODE\ pin. The TPS6202x supports up to 600-mA load current.

产品特性

Up to 95% Conversion Efficiency
Typical Quiescent Current: 18 µA
Load Current: 600 mA
Operating Input Voltage Range: 2.5 V to 6.0 V
Switching Frequency: 1.25 MHz
Adjustable and Fixed Output Voltage
Power Save Mode Operation at Light load Currents
Active-Low MODE\ pin on TPS62021
100% Duty Cycle for Lowest Dropout
Internal Softstart
Dynamic Output Voltage Positioning
Thermal Shutdown
Short-Circuit Protection
10 Pin MSOP PowerPad™ Package
10 Pin QFN 3 x 3 mm Package
APPLICATIONS
- PDA, Pocket PC and Smart Phones
- USB Powered Modems
- CPUs and DSPs
- PC Cards and Notebooks
- xDSL Applications
- Standard 5-V to 3.3-V Conversion

PowerPAD is a trademark of Texas Instruments.

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