component
MD7671E33PA1
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.
Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 17d ago |
| viewers | 17d ago |
| md7671e33pa1-etched.glb | 17d ago |
| md7671e33pa1-etched.step | 17d ago |
| md7671e33pa1-hero.glb | 17d ago |
| md7671e33pa1-hero.overlay.json | 17d ago |
| md7671e33pa1.glb | 17d ago |
| md7671e33pa1.kicad_mod | 17d ago |
| md7671e33pa1.kicad_sym | 17d ago |
| md7671e33pa1.lbr | 17d ago |
| md7671e33pa1.step | 17d ago |
| package.json | 17d ago |
| page.json | 17d ago |
| README.md | 17d ago |
MD7671E33PA1
Shanghai Mingda Microelectronics · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3
MD7671E33PA1 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 | Regulator output pin. |
| 2 | GND | power_in | Ground signal pin. |
| 3 | VIN | power_in | Power input pin that must be closely decoupled to GND with a 4.7µF or greater ceramic capacitor, with an input voltage range of 2 to 6V. |
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 |
|---|---|---|---|---|---|---|---|
| Input Voltage | VIN | 2 | 6 | V | 4 | ||
| Output Voltage Tolerance | VOUT(S) | -2 | 2 | % | IOUT=1mA | 4 | |
| Continuous Output Current | IOUT | 1 | A | VIN>2.1V | 4 | ||
| Dropout Voltage | VDROP | 160 | 250 | mV | VEN=VIN, IOUT=1A, VOUT=3.3V | 4 | |
| Line Regulation | 3 | 15 | mV | VOUT(S)+1V≤VIN=VEN≤6V, IOUT=1mA | 4 | ||
| Load Regulation | 10 | 20 | mV | VIN=VEN=VOUT(S)+1.0V, 1mA≤IOUT≤1A | 4 | ||
| Temperature Stability | ΔVOUT/(ΔTa·VOUT(s)) | -50 | 50 | ppm/℃ | VIN=VEN=VOUT(S)+1.0V, IOUT=1mA, -40℃≤TA≤125℃ | 4 | |
| Enable Turn-On Threshold | 1.6 | V | Output ON | 4 | |||
| Enable Turn-Off Threshold | 0.4 | V | Output OFF | 4 | |||
| Shutdown Pin Current | 0.1 | 0.5 | μA | 4 | |||
| Max Output Discharge Resistance to GND during Shutdown | 30 | Ω | to GND during shutdown | 4 | |||
| Input Voltage (absolute maximum) | VIN | -0.3 | 7 | V | 3 | ||
| Output Voltage (absolute maximum) | VOUT | -0.3 | V | Printed maximum is VIN+0.3 | 3 | ||
| Operating Ambient Temperature | Topr | -40 | 85 | ℃ | 3 | ||
| Storage Temperature | Tstg | -40 | 125 | ℃ | 3 | ||
| ESD Protection HBM | ESD HBM | 4000 | V | HBM | 3 | ||
| Thermal Resistance Junction to Board (SOT89-3) | RθJB | 100 | ℃/W | Mounted on JEDEC standard 4-layer (2s2p) PCB test board | 3 |
CAD (KiCad official)
- Symbol:
MD7671E33PA1 - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files:
md7671e33pa1-etched.step/md7671e33pa1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);md7671e33pa1.step/md7671e33pa1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shanghai Mingda Microelectronics datasheet (14 pp, sha256
5934758f3aa04fb8, 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).