component
MST52L40BTS
Public Made by Adomby adom
MST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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MST52L40BTS
MST · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3
MST52L40BTS from MST, 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 | GND | power_in | System ground pin for the regulator. |
| 2 | VIN | power_in | Input pin; the datasheet gives an input voltage range of 3V to 24V, with an absolute maximum VIN to GND of 30V. |
| 3 | VOUT | power_out | Output pin; the maximum output current is 150mA and the absolute maximum VOUT to GND is 12V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MST |
| 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 | VIN | 3 | 24 | V | no-load loss | 3 | |
| Quiescent current | IGND | 3 | μA | VIN=12V, no-load loss | 3 | ||
| Output voltage tolerance (preset VOUTNOM ±2%) | VOUT | -2 | 2 | % | VIN=12V, IOUT=10mA | 3 | |
| Load regulation | ΔVOUT | 45 | 80 | mV | At VIN=10V, output current goes from 1mA to 150mA | 3 | |
| Input voltage (absolute maximum) | VIN | 30 | V | VIN ~ GND | 3 | ||
| Output voltage (absolute maximum) | VOUT | 12 | V | VOUT ~ GND | 3 | ||
| Working temperature | Tw | -20 | 70 | ℃ | 3 | ||
| Storage temperature | Tc | -50 | 125 | ℃ | 3 | ||
| Welding temperature | Th | 260 | ℃ | 3 | |||
| ESD Human Body Model | ESD HBM | 4 | kV | 3 | |||
| ESD Machine Model | ESD MM | 100 | V | 3 |
CAD (KiCad official)
- Symbol:
MST52L40BTS - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files:
mst52l40bts-etched.step/mst52l40bts-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mst52l40bts.step/mst52l40bts.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MST datasheet (10 pp, sha256
20beffe12f8505f7, 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).
# MST52L40BTS
**MST** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3
MST52L40BTS from MST, 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 | GND | power_in | System ground pin for the regulator. |
| 2 | VIN | power_in | Input pin; the datasheet gives an input voltage range of 3V to 24V, with an absolute maximum VIN to GND of 30V. |
| 3 | VOUT | power_out | Output pin; the maximum output current is 150mA and the absolute maximum VOUT to GND is 12V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MST |
| 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 | VIN | 3 | | 24 | V | no-load loss | 3 |
| Quiescent current | IGND | | | 3 | μA | VIN=12V, no-load loss | 3 |
| Output voltage tolerance (preset VOUTNOM ±2%) | VOUT | -2 | | 2 | % | VIN=12V, IOUT=10mA | 3 |
| Load regulation | ΔVOUT | | 45 | 80 | mV | At VIN=10V, output current goes from 1mA to 150mA | 3 |
| Input voltage (absolute maximum) | VIN | | | 30 | V | VIN ~ GND | 3 |
| Output voltage (absolute maximum) | VOUT | | | 12 | V | VOUT ~ GND | 3 |
| Working temperature | Tw | -20 | | 70 | ℃ | | 3 |
| Storage temperature | Tc | -50 | | 125 | ℃ | | 3 |
| Welding temperature | Th | | | 260 | ℃ | | 3 |
| ESD Human Body Model | ESD HBM | | | 4 | kV | | 3 |
| ESD Machine Model | ESD MM | | | 100 | V | | 3 |
## CAD (KiCad official)
- Symbol: `MST52L40BTS`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files: `mst52l40bts-etched.step` / `mst52l40bts-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mst52l40bts.step` / `mst52l40bts.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [MST datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588904141523861504) (10 pp, sha256 `20beffe12f8505f7`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-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).
[Datasheet PDF](docs/mst52l40bts-datasheet.pdf)