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SSP7901P36PR
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Shanghai Siproin Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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SSP7901P36PR
Shanghai Siproin Microelectronics · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3L
SSP7901P36PR from Shanghai Siproin Microelectronics, in a SOT-89-3L. 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 (Vss) for the regulator; the output voltage absolute maximum is specified relative to Vss. |
| 2 | Vin | power_in | Regulator input supply; absolute maximum is -0.3 V to 40 V, recommended operating maximum is 36 V, and the input voltage range is 2.2 V to 40 V. |
| 3 | Vout | power_out | Regulated output; absolute maximum is Vss-0.3 V to VIN+0.3 V, with output current up to 300 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shanghai Siproin Microelectronics |
| Package | SOT-89-3L |
| 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 |
|---|---|---|---|---|---|---|---|
| Input Voltage (absolute maximum) | VIN | -0.3 | 40 | V | Ta=25℃ unless otherwise indicated | 5 | |
| Output Current (absolute maximum) | Iout | 300 | mA | 5 | |||
| Power Dissipation (SOT-89) | PD | 650 | mW | SOT-89 package, footnote (1): increasing welding area increases power dissipation | 5 | ||
| Operating Ambient Temperature (absolute maximum) | Topr | -40 | 85 | ℃ | 5 | ||
| Storage Temperature | Tstg | -40 | 125 | ℃ | 5 | ||
| ESD Protection HBM | ESD HBM | 2000 | V | HBM | 5 | ||
| Input Voltage (recommended operating) | VIN | -0.3 | 36 | V | 5 | ||
| Operating Ambient Temperature (recommended operating) | Topr | -40 | 85 | ℃ | 5 | ||
| Output Voltage tolerance | VOUT | -2 | 2 | % | VIN=VOUT(S)+2V, IOUT=10mA; printed as VOUT(S) x0.98 to VOUT(S) x1.02 (tolerance ±2%) | 6 | |
| Line Regulation | ΔVOUT/ΔVIN | 0.01 | 0.02 | ％/V | VOUT(S)+2V≤VIN≤36V, IOUT=10mA | 6 | |
| Load Regulation (VOUT(S)≤10V) | ΔVOUT | 40 | 90 | mV | VIN=Vout(S)+2V, 1mA≤IOUT≤300mA, Vout(S)≤10V | 6 | |
| Temperature Stability | Ta VOUT | -50 | 50 | ppm/℃ | VIN = VOUT(S)+2V, IOUT=10mA, -40℃≤Ta≤85℃ | 6 | |
| Quiescent Current (3.0≤VOUT(S)≤40V) | IQ | 1 | 1.6 | 3 | μA | no load, 3.0≤VOUT(S)≤40V | 6 |
| Input Voltage | VIN | 2.2 | 40 | V | 6 | ||
| Maximum Output Current | IOUTMAX | 300 | mA | 6 | |||
| Current Limit | ILIM | 340 | mA | VIN= VOUT(S)+1V, VOUT = 0.98 ×VOUT(S) | 6 | ||
| Short Circuit Current | ISHORT | 140 | mA | VIN=Vout(S)+2V, Vout Short to GND with 0Ω | 6 | ||
| Power Supply Rejection Ratio f=10Hz | PSRR | 70 | dB | f=10Hz, VOUT(S)=3.3V (as printed) | 6 | ||
| Power Supply Rejection Ratio f=100Hz | PSRR | 70 | dB | f=100Hz, VOUT(S)=3.3V (as printed) | 6 | ||
| Power Supply Rejection Ratio f=1kHz | PSRR | 55 | dB | f=1kHz, VOUT(S)=3.3V (as printed) | 6 | ||
| Over Temperature Protection | OTP | 140 | ℃ | IOUT=10mA | 6 | ||
| Dropout Voltage at IOUT=10mA | VDROP | 20 | mV | IOUT=10mA | 6 | ||
| Dropout Voltage at IOUT=100mA | VDROP | 350 | mV | IOUT=100mA | 6 | ||
| Dropout Voltage at IOUT=200mA | VDROP | 770 | mV | IOUT=200mA | 6 | ||
| Dropout Voltage at IOUT=300mA | VDROP | 1380 | mV | IOUT=300mA | 6 |
CAD (KiCad official)
- Symbol:
SSP7901P36PR - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89-3L (KiCad packages3D, STEP)
- 3D model files:
ssp7901p36pr-etched.step/ssp7901p36pr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ssp7901p36pr.step/ssp7901p36pr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shanghai Siproin Microelectronics datasheet (13 pp, sha256
93a7c55caf0b2e7f, retrieved 2026-10-17, tier: lcsc) - 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).
# SSP7901P36PR
**Shanghai Siproin Microelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3L
SSP7901P36PR from Shanghai Siproin Microelectronics, in a SOT-89-3L. 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 (Vss) for the regulator; the output voltage absolute maximum is specified relative to Vss. |
| 2 | Vin | power_in | Regulator input supply; absolute maximum is -0.3 V to 40 V, recommended operating maximum is 36 V, and the input voltage range is 2.2 V to 40 V. |
| 3 | Vout | power_out | Regulated output; absolute maximum is Vss-0.3 V to VIN+0.3 V, with output current up to 300 mA. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shanghai Siproin Microelectronics |
| Package | SOT-89-3L |
| 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 |
|---|---|---|---|---|---|---|---|
| Input Voltage (absolute maximum) | VIN | -0.3 | | 40 | V | Ta=25℃ unless otherwise indicated | 5 |
| Output Current (absolute maximum) | Iout | | | 300 | mA | | 5 |
| Power Dissipation (SOT-89) | PD | | | 650 | mW | SOT-89 package, footnote (1): increasing welding area increases power dissipation | 5 |
| Operating Ambient Temperature (absolute maximum) | Topr | -40 | | 85 | ℃ | | 5 |
| Storage Temperature | Tstg | -40 | | 125 | ℃ | | 5 |
| ESD Protection HBM | ESD HBM | | | 2000 | V | HBM | 5 |
| Input Voltage (recommended operating) | VIN | -0.3 | | 36 | V | | 5 |
| Operating Ambient Temperature (recommended operating) | Topr | -40 | | 85 | ℃ | | 5 |
| Output Voltage tolerance | VOUT | -2 | | 2 | % | VIN=VOUT(S)+2V, IOUT=10mA; printed as VOUT(S) x0.98 to VOUT(S) x1.02 (tolerance ±2%) | 6 |
| Line Regulation | ΔVOUT/ΔVIN | | 0.01 | 0.02 | ％/V | VOUT(S)+2V≤VIN≤36V, IOUT=10mA | 6 |
| Load Regulation (VOUT(S)≤10V) | ΔVOUT | | 40 | 90 | mV | VIN=Vout(S)+2V, 1mA≤IOUT≤300mA, Vout(S)≤10V | 6 |
| Temperature Stability | Ta VOUT | -50 | | 50 | ppm/℃ | VIN = VOUT(S)+2V, IOUT=10mA, -40℃≤Ta≤85℃ | 6 |
| Quiescent Current (3.0≤VOUT(S)≤40V) | IQ | 1 | 1.6 | 3 | μA | no load, 3.0≤VOUT(S)≤40V | 6 |
| Input Voltage | VIN | 2.2 | | 40 | V | | 6 |
| Maximum Output Current | IOUTMAX | | | 300 | mA | | 6 |
| Current Limit | ILIM | | 340 | | mA | VIN= VOUT(S)+1V, VOUT = 0.98 ×VOUT(S) | 6 |
| Short Circuit Current | ISHORT | | 140 | | mA | VIN=Vout(S)+2V, Vout Short to GND with 0Ω | 6 |
| Power Supply Rejection Ratio f=10Hz | PSRR | | 70 | | dB | f=10Hz, VOUT(S)=3.3V (as printed) | 6 |
| Power Supply Rejection Ratio f=100Hz | PSRR | | 70 | | dB | f=100Hz, VOUT(S)=3.3V (as printed) | 6 |
| Power Supply Rejection Ratio f=1kHz | PSRR | | 55 | | dB | f=1kHz, VOUT(S)=3.3V (as printed) | 6 |
| Over Temperature Protection | OTP | | 140 | | ℃ | IOUT=10mA | 6 |
| Dropout Voltage at IOUT=10mA | VDROP | | 20 | | mV | IOUT=10mA | 6 |
| Dropout Voltage at IOUT=100mA | VDROP | | 350 | | mV | IOUT=100mA | 6 |
| Dropout Voltage at IOUT=200mA | VDROP | | 770 | | mV | IOUT=200mA | 6 |
| Dropout Voltage at IOUT=300mA | VDROP | | 1380 | | mV | IOUT=300mA | 6 |
## CAD (KiCad official)
- Symbol: `SSP7901P36PR`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89-3L (KiCad packages3D, STEP)
- 3D model files: `ssp7901p36pr-etched.step` / `ssp7901p36pr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ssp7901p36pr.step` / `ssp7901p36pr.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/8590230294873088000) (13 pp, sha256 `93a7c55caf0b2e7f`, retrieved 2026-10-17, tier: lcsc)
- **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/ssp7901p36pr-datasheet.pdf)