TPS62205

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS62200, TPS62201, TPS62202, TPS62203 TPS62204, TPS62205, TPS62207, TPS62208 SLVS417F – MARCH 2002 – REVISED JUNE 2015 TPS6220x High-Efficiency, SOT23 Step-Down, DC-DC Converter 1 Features 1 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 2 Applications PDAs and Pocket PCs Cellular Phones and Smart Phones Low Power DSP Supplies Digital Cameras Portable Media Players Portable Equipment Typical Application Schematic VI 2.5 V − 6 V C1 4.7 mF TPS62202 L1 1 VI 5 10 mH SW 2 GND 3 EN 4 FB VO 1.8 V / 300 mA C2 10 mF (Fixed Output Voltage Version) 3 Description 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...