component
HG7350MK-1
Public Made by Adomby adom
HGSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
HG7350MK-1
HGSEMI · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89
HG7350MK-1 from HGSEMI, in a SOT-89. 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 reference pin for the regulator. |
| 2 | VIN | power_in | Supply input pin; absolute maximum input voltage is 0 to +45 V and the recommended input range is +2.5 to +45 V. |
| 3 | VOUT | power_out | Regulated output pin, which must have a capacitor larger than 1 uF connected to ground (10 uF polar capacitors are recommended near the pin). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HGSEMI |
| Package | SOT-89 |
| 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 |
|---|---|---|---|---|---|---|---|
| 输入电压 (Input voltage) | VIN | 45 | V | 4 | |||
| 输出电压 (Output voltage) | VOUT | -2 | 2 | % | TA=+25V℃ | 4 | |
| 输出电压 (Output voltage) | VOUT | -3 | 3 | % | -40℃≤TA≤+85℃ | 4 | |
| 压差 (Dropout voltage), VOUT=5V | VDROP | 900 | 1200 | mV | IOUT=300mA, VOUT=5V | 4 | |
| 负载调整率 (Load regulation) | LoadReg | 40 | mV | 1mA≤IOUT≤300mA, VIN=Vout+1V | 4 | ||
| 极限电流 (Current limit) | I_LMT | 300 | 450 | mA | VIN=VOUT+1V | 4 | |
| 静态电流 (Quiescent current) | IQ | 3 | 4 | uA | 无负载(IOUT=0mA) | 4 | |
| 输入电压调节率 (Input voltage regulation) | 0.2 | %/V | Vo+1V≤VIN≤45V, IOUT=1mA | 4 | |||
| 输出电流 (Output current) | IOUT | 300 | mA | VIN=VOUT+2V | 4 | ||
| 短路极限电流 (Short-circuit current limit) | ISHORT | 100 | mA | VOUT=0V | 4 | ||
| 电源抑制比 (Power supply rejection ratio) | PSRR | 60 | dB | VIN=VOUT+1V, IOUT=20mA, f=1KHz | 4 | ||
| 输出噪声电压 (Output noise voltage) | eN | 100 | uVrms | VIN=VOUT+1V, IOUT=1mA, f=10Hz~100KHz, (VOUT=3V), COUT=1uF | 4 | ||
| 输出放电电阻 (Output discharge resistance) | RLOW | 70 | Ω | CIN=4V, Ven=0V | 4 | ||
| 温度系数 (Temperature coefficient) | 100 | ppm/℃ | IOUT=10mA, -40℃<Ta<85℃ | 4 | |||
| 输入电压 (Recommended input voltage) | VIN | 2.5 | 45 | V | 3 | ||
| 输出电流 (Output current) | IOUT | 0 | 300 | mA | 3 | ||
| 工作温度 (Operating temperature) | TA | -40 | 85 | ℃ | 3 | ||
| 输入端有极性电容 (Input capacitor, polar) | CIN | 1 | 10 | uF | 3 | ||
| 输出端有极性电容 (Output capacitor, polar) | COUT | 1 | 10 | uF | 3 | ||
| 输入输出端电容等效电阻 (Capacitor ESR) | ESR | 5 | 100 | mΩ | 3 | ||
| 输入电压 (Input voltage) | Vin | 0 | 45 | V | Note1 | 2 | |
| 输出电压 (Output voltage) | Vout | 1.8 | 5 | V | 2 | ||
| 储存温度 (Storage temperature) | TSTG | -45 | 140 | ℃ | 2 | ||
| 工作温度 (Operating temperature) | TWK | -40 | 85 | ℃ | 2 | ||
| ESD 人体模式 (ESD HBM) | ESD HBM | 4000 | V | EIA/JESD22-A114 human body model; Note2 | 2 | ||
| ESD 带电器件模式 (ESD CDM) | CDM | 1500 | V | JESD22-C101; Note2 | 2 | ||
| 闩锁最大电流 (Latch-up current) | Latch up | 200 | mA | JEDEC78; Note2 | 2 | ||
| 热阻 结到环境 SOT89 (Thermal resistance junction-to-ambient) | θJA | 135 | ℃/W | SOT89; 假设无环境气流、无散热片 | 3 | ||
| 功耗 SOT89 (Power dissipation) | PD | 0.5 | W | SOT89; Ta=25℃ | 3 |
CAD (KiCad official)
- Symbol:
HG7350MK-1 - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89 (KiCad packages3D, STEP)
- 3D model files:
hg7350mk-1-etched.step/hg7350mk-1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);hg7350mk-1.step/hg7350mk-1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HGSEMI datasheet (11 pp, sha256
2ccdc4399d4fd785, retrieved 2026-10-18, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- 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).
# HG7350MK-1
**HGSEMI** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89
HG7350MK-1 from HGSEMI, in a SOT-89. 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 reference pin for the regulator. |
| 2 | VIN | power_in | Supply input pin; absolute maximum input voltage is 0 to +45 V and the recommended input range is +2.5 to +45 V. |
| 3 | VOUT | power_out | Regulated output pin, which must have a capacitor larger than 1 uF connected to ground (10 uF polar capacitors are recommended near the pin). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HGSEMI |
| Package | SOT-89 |
| 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 |
|---|---|---|---|---|---|---|---|
| 输入电压 (Input voltage) | VIN | | | 45 | V | | 4 |
| 输出电压 (Output voltage) | VOUT | -2 | | 2 | % | TA=+25V℃ | 4 |
| 输出电压 (Output voltage) | VOUT | -3 | | 3 | % | -40℃≤TA≤+85℃ | 4 |
| 压差 (Dropout voltage), VOUT=5V | VDROP | | 900 | 1200 | mV | IOUT=300mA, VOUT=5V | 4 |
| 负载调整率 (Load regulation) | LoadReg | | | 40 | mV | 1mA≤IOUT≤300mA, VIN=Vout+1V | 4 |
| 极限电流 (Current limit) | I_LMT | 300 | 450 | | mA | VIN=VOUT+1V | 4 |
| 静态电流 (Quiescent current) | IQ | | 3 | 4 | uA | 无负载(IOUT=0mA) | 4 |
| 输入电压调节率 (Input voltage regulation) | | | | 0.2 | %/V | Vo+1V≤VIN≤45V, IOUT=1mA | 4 |
| 输出电流 (Output current) | IOUT | | 300 | | mA | VIN=VOUT+2V | 4 |
| 短路极限电流 (Short-circuit current limit) | ISHORT | | 100 | | mA | VOUT=0V | 4 |
| 电源抑制比 (Power supply rejection ratio) | PSRR | | 60 | | dB | VIN=VOUT+1V, IOUT=20mA, f=1KHz | 4 |
| 输出噪声电压 (Output noise voltage) | eN | | 100 | | uVrms | VIN=VOUT+1V, IOUT=1mA, f=10Hz~100KHz, (VOUT=3V), COUT=1uF | 4 |
| 输出放电电阻 (Output discharge resistance) | RLOW | | 70 | | Ω | CIN=4V, Ven=0V | 4 |
| 温度系数 (Temperature coefficient) | | | 100 | | ppm/℃ | IOUT=10mA, -40℃<Ta<85℃ | 4 |
| 输入电压 (Recommended input voltage) | VIN | 2.5 | | 45 | V | | 3 |
| 输出电流 (Output current) | IOUT | 0 | | 300 | mA | | 3 |
| 工作温度 (Operating temperature) | TA | -40 | | 85 | ℃ | | 3 |
| 输入端有极性电容 (Input capacitor, polar) | CIN | 1 | | 10 | uF | | 3 |
| 输出端有极性电容 (Output capacitor, polar) | COUT | 1 | | 10 | uF | | 3 |
| 输入输出端电容等效电阻 (Capacitor ESR) | ESR | 5 | | 100 | mΩ | | 3 |
| 输入电压 (Input voltage) | Vin | 0 | | 45 | V | Note1 | 2 |
| 输出电压 (Output voltage) | Vout | 1.8 | | 5 | V | | 2 |
| 储存温度 (Storage temperature) | TSTG | -45 | | 140 | ℃ | | 2 |
| 工作温度 (Operating temperature) | TWK | -40 | | 85 | ℃ | | 2 |
| ESD 人体模式 (ESD HBM) | ESD HBM | | | 4000 | V | EIA/JESD22-A114 human body model; Note2 | 2 |
| ESD 带电器件模式 (ESD CDM) | CDM | | | 1500 | V | JESD22-C101; Note2 | 2 |
| 闩锁最大电流 (Latch-up current) | Latch up | | | 200 | mA | JEDEC78; Note2 | 2 |
| 热阻 结到环境 SOT89 (Thermal resistance junction-to-ambient) | θJA | | | 135 | ℃/W | SOT89; 假设无环境气流、无散热片 | 3 |
| 功耗 SOT89 (Power dissipation) | PD | | | 0.5 | W | SOT89; Ta=25℃ | 3 |
## CAD (KiCad official)
- Symbol: `HG7350MK-1`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89 (KiCad packages3D, STEP)
- 3D model files: `hg7350mk-1-etched.step` / `hg7350mk-1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hg7350mk-1.step` / `hg7350mk-1.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [HGSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226393356673024) (11 pp, sha256 `2ccdc4399d4fd785`, retrieved 2026-10-18, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/hg7350mk-1-datasheet.pdf)