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LR2125 - 300mA SELECTABLE FIXED/ADJUSTABLE LOW DROPOUT LINEAR REGULATOR

General Description

As a low dropout linear regulator, the UTC LR2125 only needs low input voltage (2.8~6V) and can deliver current to 300mA for setting the output voltage.

The UTC LR2125 is an ideal for being used in such battery-powered equipments notebook, personal computer and cellular phone.

Key Features

  • S.
  • Operating Voltage: 2.8~6V.
  • Low Voltage Dropout.
  • Output Current Guaranteed 300mA.
  • For Setting Output Voltage Two Modes.
  • Fixed mode :Fixed Output Voltage 1~5V.
  • ADJ mode: Adjustable Output Voltage 0.8~5.5V.
  • Internal Current Limit Protection.
  • With Soft-Start.
  • Internal thermal Protection.
  • Work stably with Low ESR Ceramics Capacitor.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UNISONIC TECHNOLOGIES CO., LTD LR2125 LINEAR INTEGRATED CIRCUIT 300mA SELECTABLE FIXED/ADJUSTABLE LOW DROPOUT LINEAR REGULATOR  DESCRIPTION As a low dropout linear regulator, the UTC LR2125 only needs low input voltage (2.8~6V) and can deliver current to 300mA for setting the output voltage. The UTC LR2125 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 LR2125 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 LR2125 has current limit and thermal shutdown functions.