component
SK1117A-3.3
Public Made by Adomby adom
Shikues Linear Voltage Regulators (LDO), SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSK1117A-3.3
Shikues · Linear Voltage Regulators (LDO) · SOT-89
SK1117A-3.3 from Shikues, 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 | GND | power_in | Ground reference pin (labelled ADJ/GND; on the fixed 3.3V version it is ground, with the 10uF input and output capacitors returned to it). |
| 2 | VOUT | power_out | Regulated 3.3V output (3.234V to 3.366V at Tj=25C) delivering up to 800mA, with a 10uF output capacitor in the typical application. |
| 3 | VIN | power_in | Supply input with absolute maximum 18V and recommended maximum 16V, with a 10uF input capacitor in the typical application. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shikues |
| Package | SOT-89 |
| Category | Power Management ICs |
| 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 (SK1117A-3.3V) | Vout | 3.234 | 3.3 | 3.366 | V | 0≤Iout≤800mA, Vin=5.3V | 3 |
| Load Regulation (SK1117A-3.3V) | ΔVout | 10 | 30 | mV | Vin =4.8V, 10mA≤Iout≤800mA | 3 | |
| Line Regulation (SK1117A-3.3V) | ΔVout | 0.1 | 0.2 | %/V | Iout=10mA, 4.8V≤Vin≤16V | 3 | |
| Dropout Voltage | Vdrop | 1.23 | 1.3 | V | Iout=100mA | 4 | |
| Dropout Voltage | Vdrop | 1.3 | 1.5 | V | Iout=800mA | 4 | |
| Current Limit | Ilimit | 800 | mA | Vin-Vout=2V, Tj=25°C | 4 | ||
| Minimum Load Current | Imin | 2 | 10 | mA | 4 | ||
| Quiescent Current (SK1117A-3.3V) | Iq | 2 | 5 | mA | SK1117A-3.3V, Vin =12V | 4 | |
| Temperature Coefficient | ΔV/ΔT | -100 | 100 | ppm | 4 | ||
| Thermal Resistance Junction-to-Case | JC | 100 | °C/W | SOT-89-3 | 4 | ||
| Max Input Voltage | 18 | V | 2 | ||||
| Max Operating Junction Temperature | Tj | 150 | °C | 2 | |||
| Ambient Temperature | Ta | -40 | 85 | °C | 2 | ||
| Power Dissipation | 500 | mW | SOT89-3 | 2 | |||
| Storage Temperature | Ts | -40 | 150 | °C | 2 | ||
| Lead Temperature | 260 | °C | 10S | 2 | |||
| Input Voltage Range (recommended) | 16 | V | 2 | ||||
| Operating Junction Temperature (recommended) | Tj | -40 | 85 | °C | 2 |
CAD (KiCad official)
- Symbol:
SK1117A-3.3 - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89 (KiCad packages3D, STEP)
- 3D model files:
sk1117a-3-3-etched.step/sk1117a-3-3-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sk1117a-3-3.step/sk1117a-3-3.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shikues datasheet (6 pp, sha256
4594d4ae35be2f58, retrieved 2026-11-05, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).