component
L79L15ABD13TR
Public Made by Adomby adom
STMicroelectronics Linear Voltage Regulators (LDO), SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownL79L15ABD13TR
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);l79l15abd13tr.step/l79l15abd13tr.glbare 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).