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L79L15ABD13TR

Public Made by Adom

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STMicroelectronics Linear Voltage Regulators (LDO), SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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L79L15ABD13TR

STMicroelectronics · Linear Voltage Regulators (LDO) · SOIC-8

L79L15ABD13TR from STMicroelectronics, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VOUT power_out Regulated -15 V output (±5% for AB grade), up to 100 mA, with a 0.1 µF output capacitor used in the test circuit.
2 VIN power_in Negative input voltage, absolute maximum -35 V for the 12 to 15 V versions; internally connected to the die attach flag with pins 3, 6 and 7.
3 VIN power_in Negative input voltage, absolute maximum -35 V for the 12 to 15 V versions; internally connected to the die attach flag with pins 2, 6 and 7.
4 NC unconnected No internal connection.
5 GND power_in Ground reference pin of the regulator.
6 VIN power_in Negative input voltage, absolute maximum -35 V for the 12 to 15 V versions; internally connected to the die attach flag with pins 2, 3 and 7.
7 VIN power_in Negative input voltage, absolute maximum -35 V for the 12 to 15 V versions; internally connected to the die attach flag with pins 2, 3 and 6.
8 NC unconnected No internal connection.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package SOIC-8
Category Power Management ICs
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Output voltage VO -14.4 -15 -15.6 V TJ = 25 °C 9
Output voltage VO -14.25 -15.75 V IO = 1 to 40 mA, VI = -17.5 to -30 V 9
Line regulation ΔVO 300 mV VI = -17.5 to -30 V, TJ = 25 °C 9
Line regulation ΔVO 250 mV VI = -20 to -30 V, TJ = 25 °C 9
Load regulation ΔVO 150 mV IO = 1 to 100 mA, TJ = 25 °C 9
Load regulation ΔVO 75 mV IO = 1 to 40 mA, TJ = 25 °C 9
Quiescent current Id 6.5 mA TJ = 25 °C 9
Quiescent current Id 6 mA TJ = 125 °C 9
Quiescent current change ΔId 0.1 mA IO = 1 to 40 mA 9
Quiescent current change ΔId 1.5 mA VI = -20 to -30 V 9
Supply voltage rejection SVR 34 39 dB VI = -18.5 to -28.5.V, f = 120 Hz, IO = 40 mA, TJ = 25 °C 9
Output noise voltage eN 90 µV B = 10 Hz to 100 kHz, TJ = 25 °C 9
Dropout voltage Vd 1.7 V 9
DC input voltage VI -35 V VO = -12 to -15 V 5
Output current IO 100 mA 5
Storage temperature range TSTG -40 150 °C 5
Operating junction temperature range TOP -40 125 °C For L79LXXAB 5
Thermal resistance junction-ambient RthJA 55 °C/W SO-8, 6 cm2 of copper board heat-sink 5

CAD (KiCad official)

  • Symbol: L79L15ABD13TR
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: l79l15abd13tr-etched.step / l79l15abd13tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); l79l15abd13tr.step / l79l15abd13tr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: STMicroelectronics datasheet (24 pp, sha256 ba2a02bb5533f64a, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF