component
SK6218-18NR
Public Made by Adomby adom
Suntek Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. 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
markdownSK6218-18NR
Suntek · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23
SK6218-18NR from Suntek, 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 | GND | power_in | Ground pin (the datasheet gives no further electrical limits for this pin). |
| 2 | VOUT | power_out | Regulated output voltage pin, selectable from 1.8V to 3.6V in 0.1V steps, with output current rated at 300mA and VOUT limited to VSS-0.3V to VIN+0.3V. |
| 3 | VIN | power_in | Input voltage pin, with an absolute maximum VIN of 8V and a 1.6V to 8V input range stated for line regulation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Suntek |
| 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 accuracy | -2 | 2 | % | 1 | |||
| Line Regulation | △ Vout1/(Vin·Vout) | 0.05 | 0.2 | %/V | 1.6V≤Vin≤8V Iout=40mA | 4 | |
| Load Regulation | △ Vout/ΔIout | 12 | 30 | mV | Vin= Vout+1V 1.0mA≤Iout≤80mA | 4 | |
| Output voltage temperature coefficient | △ Vout/(Ta·Vout) | -100 | 100 | ppm/℃ | Iout=30mA 0℃≤Ta≤70℃ | 4 | |
| Supply Current | Iss | 5 | 10 | uA | 4 | ||
| Input Voltage | Vin | 6 | 8 | V | 4 | ||
| Low dropout (1.8V variant, Vout 1.8 to 2) | Vdrop | 0.39 | 0.53 | V | 1.8 ≤ Vout ≤ 2, Iout=100 mA | 4 | |
| Input Voltage (absolute maximum) | VIN | 8 | V | 4 | |||
| Output Current (absolute maximum) | IOUT | 300 | mA | *IOUT=Pd/(VIN-VOUT) | 4 | ||
| Operating Temperature Range | Topr | -40 | 85 | ℃ | 4 | ||
| Storage Temperature Range | Tstg | -55 | 125 | ℃ | 4 | ||
| Power Dissipation SOT-23 | Pd | 0.2 | W | SOT-23 | 4 | ||
| Output Current | Iout | 300 | mA | Vin-Vout=1V | 4 | ||
| PSRR | PSRR | 50 | dB | F=1KHz Vin=Vout+1V | 4 | ||
| Output Noise | EN | 30 | uVrms | BW=10Hz～100KHz | 4 |
CAD (KiCad official)
- Symbol:
SK6218-18NR - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
sk6218-18nr-etched.step/sk6218-18nr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sk6218-18nr.step/sk6218-18nr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Suntek datasheet (5 pp, sha256
2c212c082f891b0a, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).