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L4940 - 1.5A very low drop voltage regulator

General Description

The L4940 series of three-terminal positive regulators is available in TO-220 and D²PAK packages and with several fixed output voltages, making it useful in a wide range of industrial and consumer applications.

Key Features

  • Precise 5, 8.5, 12 V outputs.
  • Low dropout voltage (450 mV typ. at 1 A).
  • Very low quiescent current.
  • Thermal shutdown.
  • Short-circuit protection.
  • Reverse polarity protection.

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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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TO-220 L4940 1.5 A very low drop voltage regulator IC Datasheet - production data D²PAK Table 1. Device summary Order code TO-220 D²PAK Output voltages L4940V5 L4940V85 L4940D2T5-TR L4940D2T12-TR 5V 8.5 V 12 V Features • Precise 5, 8.5, 12 V outputs • Low dropout voltage (450 mV typ. at 1 A) • Very low quiescent current • Thermal shutdown • Short-circuit protection • Reverse polarity protection Description The L4940 series of three-terminal positive regulators is available in TO-220 and D²PAK packages and with several fixed output voltages, making it useful in a wide range of industrial and consumer applications.