component
MD8836
Public Made by Adomby adom
Shanghai Mingda Microelectronics DC-DC Converters, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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MD8836
Shanghai Mingda Microelectronics · DC-DC Converters · SOT-23-3L
MD8836 from Shanghai Mingda Microelectronics, in a SOT-23-3L. 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 | Vss | power_in | Ground pin (Vss/GND). |
| 2 | Vout | power_in | Output voltage monitor and supply pin for the internal circuitry; absolute maximum VSS-0.3 to VSS+12 V. |
| 3 | Lx | passive | Switching pin connected to the inductor and internal power switch; absolute maximum VSS-0.3 to VSS+12 V and 1000 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shanghai Mingda Microelectronics |
| Package | SOT-23-3L |
| Category | Power Management ICs |
| 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 accuracy | ΔVout | -2.5 | 2.5 | % | 3 | ||
| Input voltage | Vin | 10 | V | 3 | |||
| Start-up voltage | Vstart | 0.75 | 0.9 | V | Fig.1, Iout=1mA, Vin: 0→2V | 3 | |
| Hold voltage | Vhold | 0.7 | V | Fig.1, Iout=1mA, Vin: 2→0V | 3 | ||
| Input current | Iin | 15 | 20 | uA | Fig.1, Iout=0mA | 3 | |
| Quiescent current | IDD | 4 | 7 | uA | Fig.2, VS = VOUT+0.5V | 3 | |
| Shutdown current | ISHDN | 0.5 | uA | CE=GND | 4 | ||
| CE high level | VCEH | 0.9 | V | 4 | |||
| CE low level | VCEL | 0.6 | V | 4 | |||
| Switch on-resistance | RSWON | 0.4 | 0.5 | Ω | 4 | ||
| Switch leakage current | ILEAK | 0.5 | uA | Fig.3, VS = VOUT+0.5V, VX=6V | 4 | ||
| Oscillation frequency | FOSC | 300 | 350 | 400 | kHz | Fig.3, VS = VOUT*0.95 | 4 |
| Duty cycle | DOSC | 65 | 75 | 85 | % | Fig.3, VS = VOUT*0.95 | 4 |
| Efficiency | η | 85 | % | 4 | |||
| VOUT voltage | VOUT | -0.3 | 12 | V | VSS-0.3 to VSS+12 | 3 | |
| CE voltage | VCE | -0.3 | 0.3 | V | VSS-0.3 to VOUT+0.3 | 3 | |
| LX voltage | VLX | -0.3 | 12 | V | VSS-0.3 to VSS+12 | 3 | |
| LX current | ILX | 1000 | mA | 3 | |||
| Power dissipation SOT-23-3 | PD | 0.25 | W | SOT-23-3 | 3 | ||
| Operating temperature range | Tmin-max | -40 | 85 | ℃ | 3 | ||
| Storage temperature range | Tstorage | -40 | 125 | ℃ | 3 | ||
| Soldering temperature | Tstorage | 260 | ℃ | 260, 10S | 3 |
CAD (KiCad official)
- Symbol:
MD8836 - Footprint:
Package_TO_SOT_SMD:SOT-23-3 - 3D model: SOT-23-3L (KiCad packages3D, STEP)
- 3D model files:
md8836-etched.step/md8836-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);md8836.step/md8836.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shanghai Mingda Microelectronics datasheet (12 pp, sha256
d5ee1ccbde19114a, retrieved 2026-10-26, 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-sonnet-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).
# MD8836
**Shanghai Mingda Microelectronics** · DC-DC Converters · SOT-23-3L
MD8836 from Shanghai Mingda Microelectronics, in a SOT-23-3L. 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 | Vss | power_in | Ground pin (Vss/GND). |
| 2 | Vout | power_in | Output voltage monitor and supply pin for the internal circuitry; absolute maximum VSS-0.3 to VSS+12 V. |
| 3 | Lx | passive | Switching pin connected to the inductor and internal power switch; absolute maximum VSS-0.3 to VSS+12 V and 1000 mA. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shanghai Mingda Microelectronics |
| Package | SOT-23-3L |
| Category | Power Management ICs |
| 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 accuracy | ΔVout | -2.5 | | 2.5 | % | | 3 |
| Input voltage | Vin | | | 10 | V | | 3 |
| Start-up voltage | Vstart | | 0.75 | 0.9 | V | Fig.1, Iout=1mA, Vin: 0→2V | 3 |
| Hold voltage | Vhold | | | 0.7 | V | Fig.1, Iout=1mA, Vin: 2→0V | 3 |
| Input current | Iin | | 15 | 20 | uA | Fig.1, Iout=0mA | 3 |
| Quiescent current | IDD | | 4 | 7 | uA | Fig.2, VS = VOUT+0.5V | 3 |
| Shutdown current | ISHDN | | | 0.5 | uA | CE=GND | 4 |
| CE high level | VCEH | 0.9 | | | V | | 4 |
| CE low level | VCEL | | | 0.6 | V | | 4 |
| Switch on-resistance | RSWON | | 0.4 | 0.5 | Ω | | 4 |
| Switch leakage current | ILEAK | | | 0.5 | uA | Fig.3, VS = VOUT+0.5V, VX=6V | 4 |
| Oscillation frequency | FOSC | 300 | 350 | 400 | kHz | Fig.3, VS = VOUT*0.95 | 4 |
| Duty cycle | DOSC | 65 | 75 | 85 | % | Fig.3, VS = VOUT*0.95 | 4 |
| Efficiency | η | | 85 | | % | | 4 |
| VOUT voltage | VOUT | -0.3 | | 12 | V | VSS-0.3 to VSS+12 | 3 |
| CE voltage | VCE | -0.3 | | 0.3 | V | VSS-0.3 to VOUT+0.3 | 3 |
| LX voltage | VLX | -0.3 | | 12 | V | VSS-0.3 to VSS+12 | 3 |
| LX current | ILX | | | 1000 | mA | | 3 |
| Power dissipation SOT-23-3 | PD | | | 0.25 | W | SOT-23-3 | 3 |
| Operating temperature range | Tmin-max | -40 | | 85 | ℃ | | 3 |
| Storage temperature range | Tstorage | -40 | | 125 | ℃ | | 3 |
| Soldering temperature | Tstorage | | | 260 | ℃ | 260, 10S | 3 |
## CAD (KiCad official)
- Symbol: `MD8836`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3L (KiCad packages3D, STEP)
- 3D model files: `md8836-etched.step` / `md8836-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `md8836.step` / `md8836.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Shanghai Mingda Microelectronics datasheet](docs/md8836-datasheet.pdf) (12 pp, sha256 `d5ee1ccbde19114a`, retrieved 2026-10-26, 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-sonnet-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/md8836-datasheet.pdf)