TPS62020DGQ
6V，TPS 系列，Texas Instruments### 直流/直流开关调节器转换器（集成开关），Texas InstrumentsTexas Instruments 的此系列高度集成的高效开关稳压器包括步升（升压）、步降（降压）、步升/降（增压/降压）和反相类型，为每个直流稳压器应用提供高效的解决方案。
DESCRIPON
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.
FEATURES
• 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
