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MC79L05ACLPR

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Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-92. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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MC79L05ACLPR

Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-92

MC79L05ACLPR from Texas Instruments, in a TO-92. 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 INPUT power_in Negative input voltage; recommended operating range −7 V to −20 V for MC79L05, absolute maximum rating −30 V.
2 COMMON power_in Common/ground reference point and return path.
3 OUTPUT power_out Regulated −5 V negative output voltage supplying up to 100 mA output current.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TO-92
Category Power Management (PMIC)
Pins 3

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; table header VI = -10 V, IO = 40 mA) VO -4.8 -5 -5.2 V TJ = 25°C; table header VI = -10 V, IO = 40 mA 3
Output voltage VO -4.75 -5.25 V VI = -7 V to -20 V, IO = 1 mA to 40 mA, TJ 0°C to 125°C 3
Input regulation 150 mV VI = -7 V to -20 V, TJ 25°C 3
Input regulation 100 mV VI = -8 V to -20 V, TJ 25°C 3
Ripple rejection 41 49 dB VI = -8 V to -18 V, f = 120 Hz, TJ 25°C 3
Output regulation 60 mV IO = 1 mA to 100 mA, TJ 25°C 3
Output regulation 30 mV IO = 1 mA to 40 mA, TJ 25°C 3
Output noise voltage VN 40 µV f = 10 Hz to 100 kHz, TJ 25°C 3
Dropout voltage 1.7 V IO = 40 mA, TJ 25°C 3
Bias current IB 6 mA TJ = 25°C 3
Bias current IB 5.5 mA TJ = 125°C 3
Bias current change ΔIB 1.5 mA VI = -8 V to -20 V, TJ 0°C to 125°C 3
Bias current change ΔIB 0.1 mA IO = 1 mA to 40 mA, TJ 0°C to 125°C 3
Input voltage (MC79L05) VI -7 -20 V MC79L05 variant, as printed in MIN/MAX columns 2
Output current IO 100 mA 2
Operating virtual junction temperature TJ 0 125 °C 2
Input voltage (MC79L05) VI -30 V MC79L05 variant 2
Package thermal impedance, junction-to-ambient (LP package) θJA 140 °C/W LP (TO-226/TO-92) package, see notes 1 and 2 (JESD 51-7) 2
Operating free-air, case, or virtual junction temperature TJ 150 °C 2
Storage temperature range Tstg -65 150 °C 2
Lead temperature 260 °C 1.6 mm (1/16 inch) from case for 10 seconds 2

CAD (KiCad official)

  • Symbol: MC79L05ACLPR
  • Footprint: Package_TO_SOT_THT:TO-92_Inline
  • 3D model: TO-92 (KiCad packages3D, STEP)
  • 3D model files: mc79l05aclpr-etched.step / mc79l05aclpr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mc79l05aclpr.step / mc79l05aclpr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (16 pp, sha256 34328abe1c9a396e, retrieved 2026-10-21, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF