component

LM78L05ACMK

Public Made by Adom

by adom

HGSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LM78L05ACMK

HGSEMI · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89

LM78L05ACMK from HGSEMI, in a SOT-89. 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 5 V output (4.8 to 5.2 V at TJ = 25°C) delivering up to 100 mA, with internal current limiting and thermal shutdown.
2 GND power_in Ground reference for input and output; the exposed tab shown on the SOT-89-3 drawing is also labeled GND.
3 VIN power_in Unregulated input voltage, rated at 30 V maximum DC for the 5 V version and 7 to 20 V in the electrical characteristics.

Key specifications

Parameter Value
Manufacturer HGSEMI
Package SOT-89
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) VO 4.8 5 5.2 V TJ = 25°C 5
Output Voltage VO 4.75 5.25 V IO = 1 to 40 mA, VI = 7 to 20 V 5
Line Regulation VO 150 mV VI = 7 to 20 V, TJ = 25°C 5
Line Regulation VO 100 mV VI = 8 to 20 V, TJ = 25°C 5
Load Regulation VO 60 mV IO = 1 to 100 mA, TJ = 25°C 5
Load Regulation VO 30 mV IO = 1 to 40 mA, TJ = 25°C 5
Quiescent Current Id 6 mA TJ = 25°C 5
Quiescent Current Id 5.5 mA TJ = 125°C 5
Quiescent Current Change Id 0.1 mA IO = 1 to 40 mA 5
Quiescent Current Change Id 1.5 mA VI = 8 to 20 V 5
Output Noise Voltage eN 40 μV B = 10 Hz to 100 kHz, TJ = 25°C 5
Supply Voltage Rejection SVR 41 49 dB VI = 8 to 18 V, f = 120 Hz, IO = 40 mA, TJ = 25°C 5
Dropout Voltage Vd 1.7 V 5
DC Input Voltage VI 30 V VO = 3.3 to 10 V 4
Output Current IO 100 mA 4
Lead Temperature TL 260 °C Soldering, 10 seconds 4
Storage Temperature Range Tstg -40 150 °C 4
Operating Junction Temperature Range Top 0 125 °C 4

CAD (KiCad official)

  • Symbol: LM78L05ACMK
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: lm78l05acmk-etched.step / lm78l05acmk-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm78l05acmk.step / lm78l05acmk.glb are the bare package body.

Provenance

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

  • Datasheet: HGSEMI datasheet (15 pp, sha256 8395135be00cf694, retrieved 2026-11-05, 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