component
H7228-1
Public Made by Adomby adom
Shanghai Siproin Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. 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
markdownH7228-1
Shanghai Siproin Microelectronics · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3
H7228-1 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 (VSS) pin of the regulator, left-most pin in the SOT89 top view. |
| 2 | VIN | power_in | Input supply voltage; operating input range 3.5V to 15V, absolute maximum 18V. |
| 3 | VOUT | power_out | Regulated 2.8V output (H7228-1), +/-2% tolerance, over 400mA output current capability with built-in current limiter. |
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 | -2 | 2 | % | Vin=Vout+1V, 1.0mA≤Iout≤30mA | 4 | |
| Line Regulation | △Vout1/(Vin·Vout) | 0.05 | 0.2 | %/V | 1.6V≤Vin≤8V, Iout=100mA | 4 | |
| Load Regulation | △Vout | 12 | 30 | mV | Vin= Vout+1V, 1.0mA≤Iout≤100mA | 4 | |
| Output voltage Temperature Coefficient | △Vout/(Ta·Vout) | -100 | 100 | Ppm/℃ | Iout=30mA, 0℃≤Ta≤70℃ | 4 | |
| Supply Current | Iss1 | 1 | 2 | uA | 4 | ||
| Input Voltage | Vin | 3.5 | 15 | V | 4 | ||
| Dropout Voltage (2.0 < Vout ≤ 3.0) | Vdif | 0.12 | 0.14 | V | 2.0 < Vout ≤ 3.0, Iout=80 mA | 4 | |
| Supply Voltage | -0.3 | 18 | V | 3 | |||
| Operating Temperature | -40 | 85 | ℃ | 3 | |||
| Storage Temperature | -40 | 125 | ℃ | 3 | |||
| Output Current | Iout | 400 | mA | Vin-Vout=1V | 4 | ||
| Power Supply Rejection Ratio | PSRR | 40 | dB | F=1KHz, Vin=Vout+1V | 4 |
CAD (KiCad official)
- Symbol:
H7228-1 - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files:
h7228-1-etched.step/h7228-1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);h7228-1.step/h7228-1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shanghai Siproin Microelectronics datasheet (9 pp, sha256
2df0180fb7063165, retrieved 2026-10-19, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).