component
MS1117S-5V
Public Made by Adomby adom
MSKSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, 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
markdownMS1117S-5V
MSKSEMI · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89
MS1117S-5V from MSKSEMI, 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 | VSS/ADJ | power_in | VSS/ADJ pin, which the datasheet labels only by name; on the adjustable version it is the ADJ pin that sets the output through R1 and R2, and a bypass capacitor to ground can be added to it to improve ripple rejection. |
| 2 | VOUT | power_out | Output voltage pin; for the MS1117-5.0V it regulates to 5.0V (4.9V to 5.1V) for 0 to 1A load current at Vin=6.3V, with a 10uF tantalum recommended for stability. |
| 3 | VIN | power_in | Input voltage pin; the electrical characteristics give a typical input of 15V and an absolute maximum input voltage of 18V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOT-89 |
| 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 | Vin | 15 | 18 | V | 5 | ||
| Output voltage (MS1117-5.0V) | Vout | 4.9 | 5 | 5.1 | V | 0≤Iout≤1A, Vin=6.3V | 5 |
| Line regulation (MS1117-5.0V) | △Vout | 10 | 56 | mV | Iout=10mA, 6.3V≤Vin≤12V | 5 | |
| Load regulation (MS1117-5.0V) | △Vout | 10 | 40 | mV | Vin =6.3V, 10mA≤Iout≤1A | 6 | |
| Dropout voltage | Vdrop | 1.15 | 1.3 | V | Iout =100mA | 6 | |
| Dropout voltage | Vdrop | 1.3 | 1.5 | V | Iout=1A | 6 | |
| Quiescent current (MS1117-5.0V) | Iq | 2 | 5 | mA | MS1117-5.0V, Vin=12V | 6 | |
| Input voltage (absolute maximum) | 18 | V | Max Input Voltage | 5 | |||
| Storage temperature | Ts | -55 | 150 | ℃ | 5 | ||
| Maximum operating junction temperature | Tj | 150 | ℃ | 5 | |||
| Lead temperature | 260 | ℃ | 10 s | 5 | |||
| Environment (ambient) temperature | -40 | 85 | ℃ | 2 | |||
| Reference temperature coefficient | 100 | ppm/°C | Bandgap reference, stated as under 100 ppm/°C | 7 |
CAD (KiCad official)
- Symbol:
MS1117S-5V - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89 (KiCad packages3D, STEP)
- 3D model files:
ms1117s-5v-etched.step/ms1117s-5v-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ms1117s-5v.step/ms1117s-5v.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (14 pp, sha256
1368aa3090fca90b, 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).