component
MST5450BTE
Public Made by Adomby adom
MST 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
markdownMST5450BTE
MST · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23
MST5450BTE from MST, 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 | Chip ground pin; the PCB layout needs wide copper for both VIN and GND, and the input and output capacitors must sit as close to the device as possible. |
| 2 | VOUT | power_out | Regulated output with fixed 1.8 V, 3.0 V, 3.3 V or 5.0 V versions (±2%) and up to 350 mA, requiring at least a 10 µF X5R/X7R ceramic output capacitor placed close to VOUT and GND; the datasheet's absolute maximum for VOUT to GND is 7 V. |
| 3 | VIN | power_in | Input pin with a 3 V to 45 V operating range (45 V transient capability) that needs a 1 µF capacitor placed close to the chip between VIN and GND, and an electrolytic capacitor or a series resistor of at least 1 Ω is recommended for VIN of 18 V or higher. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MST |
| Package | SOT-23 |
| Category | Power Management (PMIC) |
| Pins | 3 |
CAD (KiCad official)
- Symbol:
MST5450BTE - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
mst5450bte-etched.step/mst5450bte-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mst5450bte.step/mst5450bte.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MST datasheet (14 pp, sha256
4228e4a6a0aa11db, retrieved 2026-10-09, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- 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).