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MD7218E30PC1

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Shanghai Mingda Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-5L. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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MD7218E30PC1

Shanghai Mingda Microelectronics · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-5L

MD7218E30PC1 from Shanghai Mingda Microelectronics, in a SOT-89-5L. 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 NC unconnected No connection pin.
2 GND power_in Ground pin; the top-side tab is also labelled 2 in the package drawing.
3 EN input Enable input, active high: VENH is 1.5V min to 18V and VENL is 0V to 0.5V.
4 VIN power_in Input supply, 2.2V to 18V operating (absolute maximum -0.3 to 20V).
5 VOUT power_out Regulated 3.0V output (MD7218E30) delivering up to 1A; must not exceed VIN+0.3V.

Key specifications

Parameter Value
Manufacturer Shanghai Mingda Microelectronics
Package SOT-89-5L
Category Power Management (PMIC)
Pins 5

CAD (KiCad official)

  • Symbol: MD7218E30PC1
  • Footprint: Package_TO_SOT_SMD:SOT-89-5
  • 3D model: SOT-89-5L (KiCad packages3D, STEP)
  • 3D model files: md7218e30pc1-etched.step / md7218e30pc1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); md7218e30pc1.step / md7218e30pc1.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Shanghai Mingda Microelectronics datasheet (16 pp, sha256 a1c66b635dda8f58, retrieved 2026-10-22, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF