BUY TP0101K https://www.utsource.net/itm/p/11286266.html
TP0101K MOSFET P-Channel -20V -5.8A 0.65ohm SOT-23 marking K4
The TP0101K is a high-performance, low-power, low-dropout (LDO) linear regulator from Vishay Semiconductor. It is designed to provide a regulated output voltage of 1.0V with an input voltage range of 2.5V to 5.5V. The device has a maximum output current of 100mA and a maximum dropout voltage of 200mV at full load. The device features a low quiescent current of only 10μA and a fast transient response of 1μs. It is available in a SOT-23/SC-59 package and is suitable for use in a wide range of applications including battery-powered systems, portable electronics, and consumer electronics. (For reference only)