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TC572502 - (TC572502/3002/3302) Line Regulator Controller

General Description

The TC57 is a low dropout regulator controller that operates with an external PNP pass transistor, allowing the user to tailor the LDO characteristics to suit the application at hand.

Key Features

  • Low Dropout Voltage: 100mV @ 650mA with FZT749 PNP Transistor.
  • 2.7V to 8V Supply Range.
  • Low Operating Current: 50µA Operating, 0.2µA Shutdown.
  • Low True Chip Enable.
  • Output Accuracy < ±2%.
  • Small Package: 5-Pin SOT-23A General.

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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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TC57 Line Regulator Controller Features • Low Dropout Voltage: 100mV @ 650mA with FZT749 PNP Transistor • 2.7V to 8V Supply Range • Low Operating Current: 50µA Operating, 0.2µA Shutdown • Low True Chip Enable • Output Accuracy < ±2% • Small Package: 5-Pin SOT-23A General Description The TC57 is a low dropout regulator controller that operates with an external PNP pass transistor, allowing the user to tailor the LDO characteristics to suit the application at hand. This results in lower dropout operation (and often lower cost) compared with traditional linear regulators with on-board pass transistors. The maximum output current of a TC57based regulator circuit is limited only by the characteristics of the external pass transistor.