HT75xx-7 30V, 100mA TinyPowerTM LDO with Protectio.
HT7544 - 100mA Voltage Regulator
HT7544-2 - 100mA Low Power LDO
HT7544-1 - 100mA Low Power LDO
HT7544-7 - 100mA TinyPower LDO
HT7544-3 - 100mA TinyPower LDO