RICHTEK
DC/DC Fixed Charge Pump Voltage Converter, 2.8 V to 5 V in, 5 V/150 mA out, 1 MHz, SOT-23-6
TEXAS INSTRUMENTS
直流-直流-开关同步降压稳压器, 可调, 3.3V-5V输入, -800mV-2V/4A输出, 1 MHz, VQFN-24