Texas Instruments TPS62840 is a high efficiency buck converter with ultra-low operating quiescent current (usually 60na). These devices contain special circuits, which can reach 150na I (Q) in 100% mode, further extending the battery life at the end of discharge.the TPS62840 uses dcs control to clean the radio power supply, and the typical switching frequency is 1.8 MHz. In the power saving mode, the equipment expands the light load efficiency to reduce the load current equal to or less than 1 μ Range.
These converters provide 16 predefined output voltages, which can be selected by connecting resistors to voltage pins, making the device flexible for various applications with a minimum number of external components. For noiseless measurement in the test and measurement system, the stop pin immediately eliminates the switching noise.
The TPS6284x provides an output current of up to 750 mA. The input voltage of the device is 1.8 V to 6.5 V, supporting 2S to 4S alkaline, 1S to 2S lithium mno (2) and 1S lithium ion/lithium socl (2) and other power supplies
