# H7533-2PR

**Shanghai Siproin Microelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3

H7533-2PR from Shanghai Siproin Microelectronics, 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 | Ground pin of the regulator; pin 1 at left in the SOT89 top view. |
| 2 | VIN | power_in | Input voltage pin; accepts up to 35V (absolute maximum supply voltage -0.3V to 35V). |
| 3 | VOUT | power_out | Fixed 3.3V regulated output (±2%) delivering up to 200mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Shanghai Siproin Microelectronics |
| 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 |
|---|---|---|---|---|---|---|---|
| Output Voltage | VOUT | 3.234 | 3.3 | 3.366 | V | VIN=8V, IOUT=10mA | 3 |
| Output Current | IOUT |  |  | 200 | mA |  | 3 |
| Load Regulation | ΔVOUT |  | 40 | 60 | mV | VIN=8V, 1mA≤IOUT≤20mA | 3 |
| Input Voltage | VIN |  |  | 35 | V |  | 3 |
| Current Consumption | ISS |  | 2 | 5 | μA | VIN=8V, no load | 3 |
| Temperature Coefficient | ΔVOUT/ΔTa | -0.12 |  | 0.12 | mV/℃ | VIN=8V, IOUT=10mA, 0℃<Ta<100℃ | 3 |
| Supply Voltage |  | -0.3 |  | 35 | V |  | 2 |
| Operating Temperature |  | -40 |  | 85 | ℃ |  | 2 |
| Storage Temperature |  | -50 |  | 125 | ℃ |  | 2 |
| Thermal Resistance, Junction to Ambient (SOT89) | θJA |  |  | 200 | ℃/W | No ambient airflow, no heat sink | 2 |
| Power Dissipation (SOT89) | PD |  |  | 0.5 | W | Ta=25℃ | 2 |

## CAD (KiCad official)

- Symbol: `H7533-2PR`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files: `h7533-2pr-etched.step` / `h7533-2pr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `h7533-2pr.step` / `h7533-2pr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Shanghai Siproin Microelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944931699875840) (8 pp, sha256 `7ecf4009f231bea4`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/h7533-2pr-datasheet.pdf)