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L7809A - Positive voltage regulator

Download the L7809A datasheet PDF. This datasheet also covers the L7812AC variant, as both devices belong to the same positive voltage regulator family and are provided as variant models within a single manufacturer datasheet.

General Description

The L78 series of three-terminal positive regulators is available in TO-220, TO-220FP, D²PAK and DPAK packages and several fixed output voltages, making it useful in a wide range of applications.

Key Features

  • Output current up to 1.5 A.
  • Output voltages of 5; 6; 8; 8.5; 9; 12; 15; 18; 24 V.
  • Thermal overload protection.
  • Short circuit protection.
  • Output transition SOA protection.
  • 2 % output voltage tolerance (A version).
  • Guaranteed in extended temperature range (A version).

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (L7812AC_STMicroelectronics.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
L7809 Three-terminal positive voltage regulator OuCan
L7809 Three-terminal positive voltage regulator UMW
L7805 Voltage Regulator BLUE ROCKET ELECTRONICS
L7805 3-TERMINAL POSITIVE VOLTAGE REGULATORS SGS
L7805 Three-terminal positive voltage regulator UMW

Other Datasheets by STMicroelectronics

Part Number Description
L7809AB Positive voltage regulator
L7809ABV Positive voltage regulator
L7809AC Positive voltage regulator
L7809ACV Positive voltage regulator
L7809C Positive voltage regulator

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.

View original datasheet text
TO-220 TO-220FP DPAK D²PAK Maturity status link L78 L78 Datasheet Positive voltage regulator ICs Features • Output current up to 1.5 A • Output voltages of 5; 6; 8; 8.5; 9; 12; 15; 18; 24 V • Thermal overload protection • Short circuit protection • Output transition SOA protection • 2 % output voltage tolerance (A version) • Guaranteed in extended temperature range (A version) Description The L78 series of three-terminal positive regulators is available in TO-220, TO-220FP, D²PAK and DPAK packages and several fixed output voltages, making it useful in a wide range of applications. These regulators can provide local on-card regulation, eliminating the distribution problems associated with single point regulation.