TPS62040 - 可调节 1.2A 95% 效率步降转换器，静态电流 18uA，采用 MSOP-10 封装

TPS62040是TI德州仪器公司的一款转换器（集成开关）产品，TPS62040是可调节 1.2A 95% 效率步降转换器，静态电流 18uA，采用 MSOP-10 封装，本站介绍了TPS62040的封装应用图解、特点和优点、功能等，并给出了与TPS62040相关的TI元器件型号供参考。

TPS62040 - 可调节 1.2A 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 TPS6204x family of devices are high efficiency synchronous step-down dc-dc converters optimized for battery powered portable applications. The devices are 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 devices support low voltage DSPs and processors in PDAs, pocket PCs, as well as notebooks and subnotebook computers. The TPS6204x 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 devices can be forced into fixed frequency PWM mode by pulling the MODE pin high. The TPS6204x supports up to 1.2-A load current.

产品特性

Up to 95% Conversion Efficiency
Typical Quiescent Current: 18 µA
Load Current: 1.2 A
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
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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