This product is in particular suitable in case a supply voltage is required which is somewhere in between the voltage level of a fully charged and fully discharged battery. At a certain moment the DC/DC Converter needs to switch over from Buck to Boost mode automatically. The RP604 is designed for IoT applications which are mainly in a sleep mode and wake-up periodically to perform a measurement, transmit some data and resume to sleep mode again. For such kind of applications, the current consumption in sleep mode should be kept as low as possible. The RP604 consumes only 0.3 µA and has a peak efficiency of 90% at 0.1 mA output current.
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