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200 mA low quiescent current very low noise LDO
Adjustable and fixed low drop positive voltage regulator
Mainstream Arm Cortex-M0+ 32-bit MCU, up to 128KB Flash, 144KB RAM, 6x USART, timers, ADC, DAC, comm
Programmable Bluetooth Low Energy 5.3 Wireless SoC
50Ω / conjugate match balun to BlueNRG transceiver, with integrated harmonic filter
Ultra-low power, high performance, sub-1GHz transceiver
Li-Ion linear battery charger with LDO, load switches and reset generator