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LM1117GSF-5.0

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HTC Korea TAEJIN Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LM1117GSF-5.0

HTC Korea TAEJIN Tech · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23

LM1117GSF-5.0 from HTC Korea TAEJIN Tech, in a SOT-23. 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 ADJ/GND power_in Adjustable/ground pin: the datasheet lists it as ADJ for the adjustable version and GND for the fixed-output versions, so for the fixed 5.0V LM1117GSF-5.0 it serves as the ground return.
2 VOUT power_out Regulated output; for the 5.0V version the output is 5.0V nominal, held within 4.900V to 5.100V over 0 to 300mA and 0 to 125°C junction temperature, and it requires an output capacitor of 10uF or larger for stability.
3 VIN power_in Unregulated input supply: the absolute maximum DC input voltage is 20V, the operating input voltage for the 5.0V version is up to 15V, and the dropout voltage is 1.2V at 300mA full load.

Key specifications

Parameter Value
Manufacturer HTC Korea TAEJIN Tech
Package SOT-23
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 VO 4.95 5 5.05 V VIN = 6.5V, IO = 10mA 7
Output Voltage (over line and load, TJ = 0 to 125℃) VO 4.9 5.1 V VIN = 6.5V to 15V, IO = 0mA to 300mA (TJ = 0 ~ 125℃) 7
Line Regulation ΔVLINE 0.1 0.2 % IO = 0mA, VIN = 6.5V to 15V 7
Load Regulation ΔVLOAD 0.2 0.4 % IO = 0mA to 300mA, VIN = 7.0 V 7
Operating Input Voltage VIN 15 V 7
Quiescent Current ID 5 10 mA VIN - VO = 5V 7
Current Limit IO 1000 mA VIN - VO = 5V 7
Output Noise (%VO) EN 100 uV B = 10Hz to 10kHz, TJ = 25℃ 7
Supply Voltage Rejection SVR 60 75 dB IO = 300mA, f = 120Hz, VIN - VO = 3V, VRIPPLE = 1VPP 7
Dropout Voltage VD 1.2 V IO = 300mA 7
Temperature Stability 0.5 % 7
Long Term Stability 0.3 % 1000 hrs, TJ = 125℃ 7
Thermal Regulation 0.003 %/W TA = 25℃, 30ms Pulse 7
DC Input Voltage VIN 20 V 1
Lead Temperature (Soldering) TSOL 260 °C 5 seconds soldering 1
Operating Junction Temperature Range TOPR -40 125 °C 1
Storage Temperature Range TSTG -65 150 °C 1
Thermal Resistance Junction-To-Ambient (SOT-23) θJA-SOT-23 300 °C/W No heat sink / No air flow / No adjacent heat source / 0.066 inch2 copper area, TA = 25°C 11
Maximum Allowable Power Dissipation (SOT-23) PDMax-SOT-23 0.333 W TA = 25°C, no heat sink, minimum copper plane area 12

CAD (KiCad official)

  • Symbol: LM1117GSF-5.0
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: lm1117gsf-5-0-etched.step / lm1117gsf-5-0-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm1117gsf-5-0.step / lm1117gsf-5-0.glb are the bare package body.

Provenance

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

  • Datasheet: HTC Korea TAEJIN Tech datasheet (13 pp, sha256 12b311d33084e17a, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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