component
MD85E36PA1
Public Made by Adomby adom
Shanghai Mingda 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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MD85E36PA1
Shanghai Mingda Microelectronics · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3
MD85E36PA1 from Shanghai Mingda 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 | VOUT | power_out | Regulated output voltage pin; the VOUT potential must not exceed VIN+0.3 V, and the output current is rated up to 300 mA. |
| 2 | GND | power_in | Ground reference pin (GND node) for the regulator; the datasheet gives no separate electrical limit for this pin. |
| 3 | VIN | power_in | Power input pin; the input voltage operating range is 2.2 V to 40 V, with an absolute maximum VIN of -0.3 V to 45 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shanghai Mingda 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 (min, multiplier of VOUT(S)) | VOUT(S) | 0.98 | 1.02 | V | VIN= VOUT(S)+2V, IOUT=1mA | 5 | |
| Input Voltage | VIN | 2.2 | 40 | V | 5 | ||
| Dropout Voltage | VDROP | 4 | 8 | mV | VEN=VIN, VOUT(S)=3.3V, IOUT=1mA | 5 | |
| Dropout Voltage | VDROP | 1200 | 1800 | mV | VEN=VIN, VOUT(S)=3.3V, IOUT=300mA | 5 | |
| Line Regulation | ΔVOUT/ΔVIN | 0.01 | 0.02 | %/V | VOUT(S)+2V≤VIN≤40V, IOUT=1mA | 5 | |
| Load Regulation | VOUT | 25 | 50 | mV | VIN = VOUT(S)+2V, 1mA≤IOUT≤300mA, VOUT(S)≤5.3V | 5 | |
| Temperature Stability | ΔVOUT/ΔT | -50 | 50 | ppm/℃ | VIN = VOUT(S)+2V, IOUT=10mA, -40℃≤Ta≤125℃ | 5 | |
| GND Current (no load) | IGND | 1 | 1.5 | 2.5 | uA | VEN=VIN, no load, 3.0≤VOUT(S)≤5.3V | 5 |
| Shutdown Current | ISHUT | 0.1 | 1 | uA | VIN=40.0V, VEN=0 | 5 | |
| Maximum Output Current | IOUTMAX | 300 | 350 | mA | 5 | ||
| Current Limit | ILIM | 350 | 550 | mA | VIN= VOUT(S)+2V, VOUT = 0.95 ×VOUT(S) | 5 | |
| EN 'H' Level Voltage | VENH | 1.5 | 40 | V | 5 | ||
| EN 'L' Level Voltage | VENL | 0 | 0.6 | V | 5 | ||
| EN 'H' Level Current | IENH | -0.1 | 0.1 | uA | VIN=40V, VEN=VIN | 5 | |
| EN 'L' Level Current | IENL | -0.1 | 0.1 | uA | VIN=40V, VEN=0 | 5 | |
| Input Voltage (absolute maximum) | VIN | -0.3 | 45 | V | 4 | ||
| Power Dissipation | PD | 1000 | mW | SOT89-3 | 4 | ||
| Thermal Resistance Junction-to-Ambient | RθJA | 100 | ℃/W | SOT89-3 | 4 | ||
| Storage Temperature | Tstg | -40 | 125 | ℃ | 4 | ||
| Operating Ambient Temperature | Topr | -40 | 85 | ℃ | 4 |
CAD (KiCad official)
- Symbol:
MD85E36PA1 - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files:
md85e36pa1-etched.step/md85e36pa1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);md85e36pa1.step/md85e36pa1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shanghai Mingda Microelectronics datasheet (16 pp, sha256
eb9db1999ca1681a, retrieved 2026-10-19, 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).
# MD85E36PA1
**Shanghai Mingda Microelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3
MD85E36PA1 from Shanghai Mingda 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 | VOUT | power_out | Regulated output voltage pin; the VOUT potential must not exceed VIN+0.3 V, and the output current is rated up to 300 mA. |
| 2 | GND | power_in | Ground reference pin (GND node) for the regulator; the datasheet gives no separate electrical limit for this pin. |
| 3 | VIN | power_in | Power input pin; the input voltage operating range is 2.2 V to 40 V, with an absolute maximum VIN of -0.3 V to 45 V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shanghai Mingda 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 (min, multiplier of VOUT(S)) | VOUT(S) | 0.98 | | 1.02 | V | VIN= VOUT(S)+2V, IOUT=1mA | 5 |
| Input Voltage | VIN | 2.2 | | 40 | V | | 5 |
| Dropout Voltage | VDROP | | 4 | 8 | mV | VEN=VIN, VOUT(S)=3.3V, IOUT=1mA | 5 |
| Dropout Voltage | VDROP | | 1200 | 1800 | mV | VEN=VIN, VOUT(S)=3.3V, IOUT=300mA | 5 |
| Line Regulation | ΔVOUT/ΔVIN | | 0.01 | 0.02 | %/V | VOUT(S)+2V≤VIN≤40V, IOUT=1mA | 5 |
| Load Regulation | VOUT | | 25 | 50 | mV | VIN = VOUT(S)+2V, 1mA≤IOUT≤300mA, VOUT(S)≤5.3V | 5 |
| Temperature Stability | ΔVOUT/ΔT | -50 | | 50 | ppm/℃ | VIN = VOUT(S)+2V, IOUT=10mA, -40℃≤Ta≤125℃ | 5 |
| GND Current (no load) | IGND | 1 | 1.5 | 2.5 | uA | VEN=VIN, no load, 3.0≤VOUT(S)≤5.3V | 5 |
| Shutdown Current | ISHUT | | 0.1 | 1 | uA | VIN=40.0V, VEN=0 | 5 |
| Maximum Output Current | IOUTMAX | 300 | | 350 | mA | | 5 |
| Current Limit | ILIM | 350 | | 550 | mA | VIN= VOUT(S)+2V, VOUT = 0.95 ×VOUT(S) | 5 |
| EN 'H' Level Voltage | VENH | 1.5 | | 40 | V | | 5 |
| EN 'L' Level Voltage | VENL | 0 | | 0.6 | V | | 5 |
| EN 'H' Level Current | IENH | -0.1 | | 0.1 | uA | VIN=40V, VEN=VIN | 5 |
| EN 'L' Level Current | IENL | -0.1 | | 0.1 | uA | VIN=40V, VEN=0 | 5 |
| Input Voltage (absolute maximum) | VIN | -0.3 | | 45 | V | | 4 |
| Power Dissipation | PD | | | 1000 | mW | SOT89-3 | 4 |
| Thermal Resistance Junction-to-Ambient | RθJA | | 100 | | ℃/W | SOT89-3 | 4 |
| Storage Temperature | Tstg | -40 | | 125 | ℃ | | 4 |
| Operating Ambient Temperature | Topr | -40 | | 85 | ℃ | | 4 |
## CAD (KiCad official)
- Symbol: `MD85E36PA1`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files: `md85e36pa1-etched.step` / `md85e36pa1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `md85e36pa1.step` / `md85e36pa1.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Shanghai Mingda Microelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226905640304640) (16 pp, sha256 `eb9db1999ca1681a`, retrieved 2026-10-19, 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/md85e36pa1-datasheet.pdf)