component
MD8236A
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.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownMD8236A
Shanghai Mingda Microelectronics · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3
MD8236A 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 | GND | power_in | Ground pin; keep VIN, VOUT and GND wiring low-impedance. |
| 2 | VIN | power_in | Input supply pin; maximum operating input 40V (absolute maximum 45V), with at least 1.0µF input capacitor recommended. |
| 3 | VOUT | power_out | Regulated 3.6V output, 150mA rated with about 300mA typical current limit; must not exceed VIN+0.3V, with at least 2.2µF output capacitor recommended. |
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 | VOUT(S) | 3.492 | 3.6 | 3.708 | V | VIN = VOUT(S)+2V, IOUT=10mA | 3 |
| Input-output voltage differential (dropout) | VDROP | 5 | 8 | mV | IOUT=1mA | 3 | |
| Input-output voltage differential (dropout) | VDROP | 1250 | 2000 | mV | IOUT=150mA | 3 | |
| Input stability (line regulation) | 0.01 | 0.15 | %/V | VOUT(S)+2V≤VIN≤40V, IOUT=1mA | 3 | ||
| Load stability (load regulation) | VOUT2 | 10 | 90 | mV | VIN = VOUT(S)+2V, 1mA≤IOUT≤150mA | 3 | |
| Output voltage temperature coefficient | -100 | 50 | 100 | ppm/℃ | VIN = VOUT(S)+2V, IOUT=10mA, -40℃≤Ta≤85℃ | 3 | |
| Quiescent current (GND/supply current) | ISS | 1.4 | 2.8 | uA | no load | 3 | |
| Input voltage (maximum) | Vmax | 40 | V | 3 | |||
| Overcurrent protection (output current limit) | ILIM | 200 | 300 | mA | VIN= VOUT(S)+2V, VOUT = 0.9 ×VOUT(S) | 3 | |
| Overtemperature shutdown threshold | TSHDN | 160 | ℃ | IOUT=1mA | 3 | ||
| Input voltage | VIN | -0.3 | 45 | V | 2 | ||
| Power dissipation | PD | 500 | mW | SOT 89-3 package | 2 | ||
| Operating temperature range | Topr | -40 | 85 | ℃ | 2 | ||
| Storage temperature range | Tstg | -40 | 125 | ℃ | 2 | ||
| ESD protection level | ESD HBM | 6000 | V | HBM | 2 | ||
| Input capacitor (recommended) | CIN | 1 | µF | 4 | |||
| Output capacitor (recommended) | COUT | 2.2 | µF | electrolytic or tantalum; ceramic also 2.2µF or more | 4 |
CAD (KiCad official)
- Symbol:
MD8236A - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files:
md8236a-etched.step/md8236a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);md8236a.step/md8236a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shanghai Mingda Microelectronics datasheet (10 pp, sha256
bd4aefd613b0a967, 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-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).