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The TPS6220x devices are high efficiency synchronous buck converters ideal for portable systems powered by 1-cell Li-Ion or 3-cell NiMH/NiCd batteries. These devices are also suitable for operation from standard 3.3-V or 5-V voltage rails.

With an output voltage range of 6V to 0.7V and output current up to 300 mA, it is an ideal power supply for low voltage DSPs and processors for PDAs, pocket PCs and smartphones. At rated load current, the device operates at a fixed switching frequency typically 1 MHz. At light load current, some parts enter power-saving mode, the switching frequency is reduced, and the quiescent current is generally only 15A, so as to achieve the highest efficiency in the entire load current range. The TPS6220x requires only three small external components. Together with the SOT 23 package, the smallest system solution size is achieved. An advanced fast-response voltage-mode control scheme utilizes small ceramic input and output capacitors for superior line and load regulation.

High efficiency synchronous downconverter with up to 95% efficiency, input voltage range from 0.7V to 6V, output voltage range adjustable to 300mA, output current 1mhz, fixed frequency pwm operation, in the large load current range, due to saving Electric mode 15, the maximum efficiency is the highest? A typical quiescent current soft start 100% low attenuation operation dynamic output voltage-voltage positioning is available in a 5 Pin SOT 23 package.