As a low dropout linear regulator, the UTC LR2128 only needs low input voltage (2.7~6V) and can deliver current to 300mA for setting the output voltage.
The UTC LR2128 is an ideal for being used in such battery-powered equipments notebook, personal computer and cellular phone. Its typical dropout voltage is 230mV at loading current 300mA.
For setting the output voltage, the UTC LR2128 has two output voltage operation modes: fixed mode senses the output voltage on VOUT, ADJ mode needs two resistors as a voltage divider.
To protect itself against current over-loads and over temperature, the UTC LR2128 has current limit and thermal shutdown functions. LR2128AL-xx-AF5-R
LR2128BL-xx-AF5-R
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