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LM1117RS-5.0

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HTC Korea TAEJIN Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LM1117RS-5.0

HTC Korea TAEJIN Tech · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-252

LM1117RS-5.0 from HTC Korea TAEJIN Tech, in a TO-252. 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 GND power_in Ground pin for the fixed 5.0V version (labeled ADJ / GND on the datasheet, where ADJ applies only to the adjustable version).
2 VOUT power_out Regulated 5.0V output; the datasheet requires an output capacitor of 10µF or larger for stability.
3 VIN power_in Input voltage, with a 20V maximum absolute rating and 15V maximum operating input voltage for the 5.0V output version.

Key specifications

Parameter Value
Manufacturer HTC Korea TAEJIN Tech
Package TO-252
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 (VIN = 6.5V, IO = 10mA) VO 4.95 5 5.05 V VIN = 6.5V, IO = 10mA 7
Output Voltage (over line and load) VO 4.9 5.1 V VIN = 6.5V to 15V, IO = 0mA to 1A (TJ = 0 ~ 125°C) 7
Line Regulation ΔVLINE 0.1 0.2 % IO = 10mA, VIN = 6.5V to 15V 7
Load Regulation ΔVLOAD 0.2 0.4 % IO = 10mA to 1A, VIN = 7.0V 7
Operating Input Voltage VIN 15 V 7
Quiescent Current ID 5 10 mA VIN - VO = 5V 7
Supply Voltage Rejection SVR 60 75 dB IO = 1A, f = 120Hz, VIN - VO = 3V, VRIPPLE = 1VPP 7
Dropout Voltage VD 1 1.1 V IO = 100mA 7
Dropout Voltage VD 1.1 1.2 V IO = 500mA 7
Dropout Voltage VD 1.2 1.3 V IO = 1A 7
Current Limit IO 1000 mA VIN - VO = 5V 7
Output Noise eN 100 µV B = 10Hz to 10kHz, TJ = 25°C 7
Temperature Stability 0.5 % 7
Long Term Stability 0.3 % 1000 hrs, TJ = 125°C 7
Thermal Regulation 0.003 %/W TA = 25°C, 30ms Pulse 7
Input Supply Voltage VIN 20 V 1
Lead Temperature TSOL 260 °C 1
Storage Temperature Range TSTG -65 150 °C 1
Operating Junction Temperature Range TOPR -40 125 °C 1
Thermal Resistance Junction-to-Ambient, TO-252 θJA-TO-252 105 °C/W No heat sink / No air flow / No adjacent heat source / TA=25°C 11

CAD (KiCad official)

  • Symbol: LM1117RS-5.0
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252 (KiCad packages3D, STEP)
  • 3D model files: lm1117rs-5-0-etched.step / lm1117rs-5-0-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm1117rs-5-0.step / lm1117rs-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 (12 pp, sha256 c675e01134260af4, retrieved 2026-10-18, 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