component

md88r30

Public Made by Adom

by adom

Shanghai Mingda Microelectronics DC-DC Converters, SOT-23-5L. Datasheet-verified pinout, KiCad symbol/footprint/3D.

componentpmicmd88r30
Overview Files Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity

3D Model

Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Contents

README

markdown

MD88R30

Shanghai Mingda Microelectronics · DC-DC Converters · SOT-23-5L

MD88R30 from Shanghai Mingda Microelectronics, in a SOT-23-5L. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 CE input Chip enable input. Drive high (VCEH ≥ 0.9V) to enable the regulator; drive low (VCEL ≤ 0.6V) to shut down (ISHDN ≤ 0.5µA). Absolute max: VSS-0.3 to VOUT+0.3V.
2 VOUT power_out Regulated boost output voltage sense pin; also supplies internal circuitry. Fixed 3.0V nominal ±2.5%. Absolute max: VSS-0.3 to VSS+12V. Connect the output capacitor (100µF tantalum recommended) here.
3 NC unconnected No connect. Leave floating or tie to ground.
4 VSS power_in Ground reference (GND) pin. All voltages referenced to this pin.
5 LX power_out Internal power switch (NMOS drain) node. Connect to the junction of the boost inductor (27µH typical) and the Schottky diode anode (e.g. 1N5817). RSWON ≈ 0.4Ω, ILX max 1000mA, VLX absolute max VSS-0.3 to VSS+12V. Switching frequency ~350kHz.

Key specifications

Parameter Value
Manufacturer Shanghai Mingda Microelectronics
Package SOT-23-5L
Category PMIC
Pins 5

Ordering variants

  • MD88R30
  • MD88R30MD8830

CAD (KiCad official)

  • Symbol: MD88R30
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5L (KiCad packages3D, STEP)
  • 3D model files: md88r30-etched.step / md88r30-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); md88r30.step / md88r30.glb are the bare package body.

Provenance

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

  • Datasheet: Shanghai Mingda Microelectronics datasheet (None pp, sha256 c7472abc6d9df737, retrieved 2026-08-17, 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: 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

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads on click. Unloads only if this page sits in the background.

PCB Footprint

Open full view ↗
Loads on click. Unloads only if this page sits in the background.

Datasheet

Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Download PDF