component
H7344-A
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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.
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H7344-A
Shanghai Siproin Microelectronics · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3
H7344-A 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, left pin in the SOT89 top view; the SOT89 tab is not labelled on the drawing. |
| 2 | VIN | power_in | Input supply pin, middle pin; absolute maximum supply voltage -0.3V to 18V, recommended input up to 15V. |
| 3 | VOUT | power_out | Regulated 4.4V output (±2%) for H7344-A, up to 250mA output current. |
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 | 4.312 | 4.4 | 4.488 | V | VIN=6.4V; IOUT=40mA | 6 |
| Output Current | IOUT | 250 | mA | VIN=6.4V | 6 | ||
| Load Regulation | ΔVOUT | 45 | 90 | mV | VIN=6.4V; 1mA≤IOUT≤80mA | 6 | |
| Current Consumption | ISS | 2 | 3 | μA | VIN=6.4V; no load | 6 | |
| Input Voltage | VIN | 15 | V | 6 | |||
| Temperature Coefficient | ΔVOUT/ΔTa | -0.5 | 0.5 | mV/℃ | VIN=6.4V; IOUT=40mA; -40℃<Ta<85℃ | 6 | |
| Supply Voltage | -0.3 | 18 | V | 2 | |||
| Operating Temperature | -30 | 85 | ℃ | 2 | |||
| Storage Temperature | -50 | 125 | ℃ | 2 | |||
| Thermal Resistance, Junction to Ambient | θJA | 200 | ℃/W | SOT89; no ambient airflow, no heat sink | 2 | ||
| Power Dissipation | PD | 0.5 | W | SOT89; Ta=25℃ | 2 |
CAD (KiCad official)
- Symbol:
H7344-A - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files:
h7344-a-etched.step/h7344-a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);h7344-a.step/h7344-a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shanghai Siproin Microelectronics datasheet (14 pp, sha256
792fed91578d2bec, retrieved 2026-10-18, 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).
# H7344-A
**Shanghai Siproin Microelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3
H7344-A 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, left pin in the SOT89 top view; the SOT89 tab is not labelled on the drawing. |
| 2 | VIN | power_in | Input supply pin, middle pin; absolute maximum supply voltage -0.3V to 18V, recommended input up to 15V. |
| 3 | VOUT | power_out | Regulated 4.4V output (±2%) for H7344-A, up to 250mA output current. |
## 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 | 4.312 | 4.4 | 4.488 | V | VIN=6.4V; IOUT=40mA | 6 |
| Output Current | IOUT | | | 250 | mA | VIN=6.4V | 6 |
| Load Regulation | ΔVOUT | | 45 | 90 | mV | VIN=6.4V; 1mA≤IOUT≤80mA | 6 |
| Current Consumption | ISS | | 2 | 3 | μA | VIN=6.4V; no load | 6 |
| Input Voltage | VIN | | | 15 | V | | 6 |
| Temperature Coefficient | ΔVOUT/ΔTa | -0.5 | | 0.5 | mV/℃ | VIN=6.4V; IOUT=40mA; -40℃<Ta<85℃ | 6 |
| Supply Voltage | | -0.3 | | 18 | V | | 2 |
| Operating Temperature | | -30 | | 85 | ℃ | | 2 |
| Storage Temperature | | -50 | | 125 | ℃ | | 2 |
| Thermal Resistance, Junction to Ambient | θJA | | | 200 | ℃/W | SOT89; no ambient airflow, no heat sink | 2 |
| Power Dissipation | PD | | | 0.5 | W | SOT89; Ta=25℃ | 2 |
## CAD (KiCad official)
- Symbol: `H7344-A`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files: `h7344-a-etched.step` / `h7344-a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `h7344-a.step` / `h7344-a.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/8586203920829571072) (14 pp, sha256 `792fed91578d2bec`, retrieved 2026-10-18, 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/h7344-a-datasheet.pdf)