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IL1117C-5.0D0T

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IKSEMICON 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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IL1117C-5.0D0T

IKSEMICON · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-252

IL1117C-5.0D0T from IKSEMICON, 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 ADJ/GND power_in Adjust terminal on adjustable versions, where VREF is 1.25V between VOUT and ADJ and the adjust pin current is 56 to 80 uA typical/max at Io = 10mA; on fixed versions this pin is the ground return.
2 Output power_out Regulated output that needs a minimum 10uF tantalum capacitor to VOUT-to-GND for stability and transient response; the tab is electrically connected to this pin, so isolate it with a thermally conductive spacer if the heat sink must be isolated.
3 Input power_in Unregulated input supply with a maximum input voltage of 15V, where a 10uF tantalum input bypass capacitor is suitable for almost all applications.

Key specifications

Parameter Value
Manufacturer IKSEMICON
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 (IL1117C-5.0) 4.9 5 5.1 V Io = 10mA to IFULLLOAD, Vin = 6.5 to 15.0V 3
Line regulation (IL1117C-5.0) 7 15 mV Io =10mA, Vin = 6.5 to 15.0V 3
Load regulation (IL1117C-5.0) 14 20 mV Io = 10mA to 1.0A, Vin = 7.0V 3
Dropout voltage 1.2 1.4 V Io =1A (TJ = 25°C) 3
Dropout voltage 1.2 1.55 V Io =1A (TJ = -40°C to +125°C) 3
Current limit 1000 1500 mA Vin - Vo = 5V (TJ = 25°C) 3
Quiescent current 5.2 10 mA Vin - Vo = 1.5V 3
Adjust pin current 56 80 uA Io = 10mA, Vin - Vo = 1.4 to 10V 3
Adjust pin current change 0.5 5 uA Io = 10mA to 1A, Vin - Vo = 1.4 to 10V 3
Temperature drift 0.5 % TJ = -40°C to +125°C 3
RMS output noise 0.003 %Vo Bandwidth of 10Hz to 10kHz at 25°C 3
Ripple rejection ratio 60 72 dB 120Hz input ripple (CADJ for ADJ) = 25uF; Vin - Vo = 5V, Io = 1.0A; TJ = -40°C to +125°C 3
Input voltage VIN 15 V 2
Operating junction temperature range TJ -40 125 °C 2
Storage temperature range TS -50 150 °C 2
ESD HBM protection level -2000 2000 V HBM, 1.5kΩ in series with 100pF (Note 2) 2
Thermal resistance junction-to-ambient (TO-252) ΘJA 115 °C/W Junction-to-ambient, TO-252 2
Thermal resistance junction-to-case (TO-252) ΘJC 25 °C/W Junction-to-case, TO-252 2
Thermal resistance junction-to-ambient, TO-252 1oz copper, 100mm2 ΘJ-A 80 °C/W TA = 25°C, still air, 1oz copper area 100mm2 9
Thermal resistance junction-to-ambient, TO-252 1oz copper, 200mm2 ΘJ-A 62 °C/W TA = 25°C, still air, 1oz copper area 200mm2 9
Thermal resistance junction-to-ambient, TO-252 1oz copper, 300mm2 ΘJ-A 53 °C/W TA = 25°C, still air, 1oz copper area 300mm2 9
Thermal resistance junction-to-ambient, TO-252 1oz copper, 500mm2 ΘJ-A 43 °C/W TA = 25°C, still air, 1oz copper area 500mm2 9
Thermal resistance junction-to-ambient, TO-252 2oz copper, 100mm2 ΘJ-A 69 °C/W TA = 25°C, still air, 2oz copper area 100mm2 9
Thermal resistance junction-to-ambient, TO-252 2oz copper, 200mm2 ΘJ-A 53 °C/W TA = 25°C, still air, 2oz copper area 200mm2 9
Thermal resistance junction-to-ambient, TO-252 2oz copper, 300mm2 ΘJ-A 42 °C/W TA = 25°C, still air, 2oz copper area 300mm2 9
Thermal resistance junction-to-ambient, TO-252 2oz copper, 500mm2 ΘJ-A 36 °C/W TA = 25°C, still air, 2oz copper area 500mm2 9

CAD (KiCad official)

  • Symbol: IL1117C-5.0D0T
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252 (KiCad packages3D, STEP)
  • 3D model files: il1117c-5-0d0t-etched.step / il1117c-5-0d0t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); il1117c-5-0d0t.step / il1117c-5-0d0t.glb are the bare package body.

Provenance

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

  • Datasheet: IKSEMICON datasheet (13 pp, sha256 c1cbde9b41d88821, 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