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MC79L12ACDR2G

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

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Generated by kicad-footprint-generator · KiCad file format 20260206
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docs mc79l12acdr2g: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
viewers mc79l12acdr2g: viewers · Ray 1mo ago
mc79l12acdr2g-etched.fit.json mc79l12acdr2g: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
mc79l12acdr2g-etched.glb mc79l12acdr2g: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
mc79l12acdr2g-etched.step mc79l12acdr2g: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
mc79l12acdr2g.glb Publish 0.1.0 · Ray 1mo ago
mc79l12acdr2g.kicad_mod Publish 0.1.0 · Ray 1mo ago
mc79l12acdr2g.kicad_sym Publish 0.1.0 · Ray 1mo ago
mc79l12acdr2g.lbr Publish 0.1.0 · Ray 1mo ago
mc79l12acdr2g.step Publish 0.1.0 · Ray 1mo ago
package.json mc79l12acdr2g: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray 1mo ago
page.json mc79l12acdr2g: specified limits as data (metadata.characteristics, 17 rows from the datasheet) · Ray 25d ago
README.md mc79l12acdr2g: specified limits as data (metadata.characteristics, 17 rows from the datasheet) · Ray 25d ago

MC79L12ACDR2G

onsemi · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOIC-8

MC79L12ACDR2G from onsemi, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 Vout power_out Regulated −12 Vdc output (−11.5 to −12.5 V), supplies up to 100 mA.
2 Vin power_in Negative input voltage; −14.5 to −27 Vdc recommended operating range.
3 Vin power_in Negative input voltage; −14.5 to −27 Vdc recommended operating range.
4 NC unconnected Not connected.
5 GND power_in Ground reference, common to input and output.
6 Vin power_in Negative input voltage; −14.5 to −27 Vdc recommended operating range.
7 Vin power_in Negative input voltage; −14.5 to −27 Vdc recommended operating range.
8 NC unconnected Not connected.

Key specifications

Parameter Value
Manufacturer onsemi
Package SOIC-8
Category Power Management (PMIC)
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 (TJ = +25 C) VO -11.5 -12 -12.5 Vdc TJ = +25 C 3
Output Voltage VO -11.4 -12.6 Vdc -14.5 Vdc VI -27 Vdc, 1.0 mA IO 40 mA 3
Input Regulation Regline 250 mV TJ = +25 C, -14.5 Vdc VI -27 Vdc 3
Input Regulation Regline 200 mV TJ = +25 C, -16 Vdc VI -27 Vdc 3
Load Regulation Regload 100 mV TJ = +25 C, 1.0 mA IO 100 mA 3
Load Regulation Regload 50 mV 1.0 mA IO 40 mA 3
Input Bias Current (TJ = +25 C) IIB 6.5 mA TJ = +25 C 3
Input Bias Current (TJ = +125 C) IIB 6 mA TJ = +125 C 3
Input Bias Current Change (line) IIB 1.5 mA -16 Vdc VI -27 Vdc 3
Input Bias Current Change (load) IIB 0.2 mA 1.0 mA IO 40 mA 3
Ripple Rejection RR 37 42 dB -15 VI -25 Vdc, f = 120 Hz, TJ = +25 C 3
Input Voltage (-12 V device) VI -35 Vdc Rating for -12, -15, -18 V devices 2
Operating Junction Temperature Range (MC79LXXAC) TJ 0 125 C 0 C < TJ < +125 C (for MC79LXXAC) 3
Junction Temperature TJ 150 C 2
Storage Temperature Range Tstg -65 150 C 2
Thermal Resistance, Junction-to-Ambient (SOIC-8) RJA 180 C/W Case 751 SOIC-8, minimum recommended pad size (Note 1) 2
Thermal Resistance, Junction-to-Case (SOIC-8) RJC 45 C/W Case 751 SOIC-8 2

CAD (KiCad official)

  • Symbol: MC79L12ACDR2G
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: mc79l12acdr2g-etched.step / mc79l12acdr2g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mc79l12acdr2g.step / mc79l12acdr2g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (15 pp, sha256 3b8ec4831b4ba3d5, retrieved 2026-09-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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