component
SGM2203-3.3YK3G
Public Made by Adomby adom
SGMICRO Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. 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
markdownSGM2203-3.3YK3G
SGMICRO · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3
SGM2203-3.3YK3G from SGMICRO, in a SOT-89-3. 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 | VOUT | power_out | Regulator output; the recommended output capacitor range is 1μF to 10μF. |
| 2 | GND | power_in | Ground reference pin. |
| 3 | VIN | power_in | Regulator input accepting up to 36V, with at least a 1μF supply bypass capacitor recommended. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | SGMICRO |
| Package | SOT-89-3 |
| 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 |
|---|---|---|---|---|---|---|---|
| Input Voltage (VOUT ≥ 3.3V) | VIN | 2.7 | 36 | V | VOUT ≥ 3.3V, Full (-40℃ to +85℃) | 5 | |
| Output Voltage Accuracy | -3 | 3 | % | IOUT = 1mA, +25℃ | 5 | ||
| Ground Pin Current | 4.2 | 5.5 | μA | No load, +25℃ | 5 | ||
| Ground Pin Current | 6.5 | μA | No load, Full | 5 | |||
| Dropout Voltage | VDROP | 1300 | 1850 | mV | IOUT = 150mA, VOUT ≥ 2.5V, +25℃ | 5 | |
| Dropout Voltage | VDROP | 2400 | mV | IOUT = 150mA, VOUT ≥ 2.5V, Full | 5 | ||
| Line Regulation (VOUT ≥ 3.3V) | 0.005 | 0.012 | %/V | VIN = VOUT + 2V to 36V, IOUT = 1mA, +25℃ | 5 | ||
| Load Regulation | ΔVOUT | 10 | 25 | mV | VIN = VOUT + 2V or 4V, IOUT = 1mA to 150mA, +25℃ | 5 | |
| VIN to GND | VIN | -0.3 | 44 | V | 3 | ||
| VOUT to GND (VOUT ≤ 5.0V) | VOUT | -0.3 | V | VOUT ≤ 5.0V; upper limit printed as Min(VIN + 0.3V, 6V) | 3 | ||
| Power Dissipation, SOT-89-3 | PD | 1.923 | W | TA = +25℃ | 3 | ||
| Junction Temperature | TJ | 150 | ℃ | 3 | |||
| Storage Temperature Range | TSTG | -65 | 150 | ℃ | 3 | ||
| Lead Temperature (Soldering) | 260 | ℃ | Soldering, 10s | 3 | |||
| ESD Susceptibility HBM | 4000 | V | HBM | 3 | |||
| ESD Susceptibility MM | 200 | V | MM | 3 | |||
| ESD Susceptibility CDM | 1000 | V | CDM | 3 | |||
| Operating Temperature Range | TA | -40 | 85 | ℃ | 3 | ||
| Output Capacitor (COUT) range | COUT | 1 | 10 | μF | Recommended output capacitor range (ceramic) | 4 | |
| Input Capacitor (CIN) range | CIN | 1 | 10 | μF | Ceramic capacitor between input pin and ground | 8 | |
| Thermal Resistance, SOT-89-3 | θJA | 65 | ℃/W | Package thermal resistance, junction to ambient; column not labelled in datasheet text | 3 |
CAD (KiCad official)
- Symbol:
SGM2203-3.3YK3G - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files:
sgm2203-3-3yk3g-etched.step/sgm2203-3-3yk3g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sgm2203-3-3yk3g.step/sgm2203-3-3yk3g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: SGMICRO datasheet (13 pp, sha256
281efe1f77233635, retrieved 2026-10-19, 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).