# ST715M33R

**STMicroelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5

ST715M33R from STMicroelectronics, in a SOT-23-5. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | NC | unconnected | Not internally connected pin; may be left floating or connected to ground. |
| 2 | GND | power_in | Common ground reference for the regulator; serves as return path for input bypass capacitor and output capacitor connections. |
| 3 | NC | unconnected | Not internally connected pin; may be left floating or connected to ground. |
| 4 | IN | power_in | Input voltage supply accepting 2.5 V to 24 V operating range (-0.3 to 26 V absolute maximum) with 0.1 µF minimum bypass capacitor recommended between IN and GND. |
| 5 | OUT | power_out | Regulated 3.3 V output voltage with ±5% total accuracy at 0 to 85 mA continuous output current; requires 0.47 µF minimum output capacitor between OUT and GND. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | SOT-23-5 |
| Category | Power Management (PMIC) |
| Pins | 5 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Operating input voltage | VIN |  |  | 24 | V | IOUT = 85 mA, TJ = -40 °C to 125 °C | 7 |
| Output current | IOUT | 0 |  | 85 | mA | VIN = 4.3 to 24 V, TJ = -40 °C to 125 °C | 7 |
| VOUT total accuracy | VOUT | -5 |  | 5 | % | VIN = VOUT+1 to 24 V, IOUT = 0 to 85 mA, TJ = -40 °C to 125 °C | 7 |
| Line regulation | VOUT |  | 0.001 | 0.004 | %/V | VIN = 4.3 to 24 V, IOUT = 1 mA, TJ = -40 °C to 125 °C | 7 |
| Load regulation | VOUT |  | 0.002 | 0.003 | %/mA | IOUT = 100 µA to 85 mA, TJ = -40 °C to 125 °C | 7 |
| Dropout voltage | VDROP |  | 500 | 1000 | mV | IOUT = 85 mA, TJ = -40 °C to 125 °C | 7 |
| Quiescent current | IQ |  | 3.75 | 5.5 | µA | IOUT = 0 mA to 85 mA, TJ = -40 °C to 125 °C | 7 |
| Quiescent current at VIN=24 V | IQ |  | 4.15 | 6.5 | µA | VIN = 24 V | 7 |
| Output capacitor capacitance | COUT | 0.47 |  |  | µF | f = 100 kHz | 7 |
| DC input voltage (absolute maximum) | VIN | -0.3 |  | 26 | V |  | 5 |
| DC output voltage (absolute maximum) | VOUT | -0.3 |  |  | V |  | 5 |
| Feedback pin voltage (absolute maximum) | FB |  |  | 4 | V |  | 5 |
| Maximum power dissipation, SOT23-5L and SOT323-5L packages | PD |  |  | 0.45 | W | Operating temperature of 25 °C or less; derate above | 5 |
| Storage temperature range | TSTG | -65 |  | 150 | °C |  | 5 |
| Operating junction temperature range | TOP | -40 |  | 125 | °C |  | 5 |
| Thermal resistance junction-ambient | RthJA |  | 195 |  | °C/W | SOT23-5L package | 5 |

## CAD (KiCad official)

- Symbol: `ST715M33R`
- Footprint: `Package_TO_SOT_SMD:SOT-23-5`
- 3D model: SOT-23-5 (KiCad packages3D, STEP)
- 3D model files: `st715m33r-etched.step` / `st715m33r-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `st715m33r.step` / `st715m33r.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586199927815360512) (24 pp, sha256 `3ba41ae11f287b92`, retrieved 2026-09-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/st715m33r-datasheet.pdf)