component

MS7233

Public Made by Adom

by adom

MSKSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MS7233

MSKSEMI · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-3

MS7233 from MSKSEMI, in a SOT-23-3. 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 VSS power_in Ground reference pin of the regulator; the datasheet lists it as Ground and the line regulation is measured between VOUT and this pin.
2 VIN power_in Regulator input supply; absolute maximum input voltage is -0.3 to +15 V, and a 10 µF tantalum input bypass capacitor is recommended.
3 VOUT power_out Regulated 3.3 V output for the MS7233 variant, rated for up to 300 mA maximum output current and requiring at least 10 µF output capacitance with ESR below 0.5 Ω.

Key specifications

Parameter Value
Manufacturer MSKSEMI
Package SOT-23-3
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 accuracy tolerance -2 2 % 2
Output Voltage (E) VOUT(E) 0.98 X IOUT=10mA, VIN= VOUT+2V 4
Output Voltage (T) VOUT(T) 1.02 X 4
Maximum Output Current IOUTMAX 300 mA VIN= VOUT+2V 4
Load Regulation ∆VOUT 37 mV VIN= VOUT+2V, 1mA≤IOUT≤300mA 4
Dropout Voltage (VDIF1) VDIF1 180 mV IOUT =100mA 4
Dropout Voltage (VDIF2) VDIF2 260 mV IOUT =200mA 4
Supply Current ISS 2 μA VIN= VOUT+2V 4
Stand-by Current ICEL 0 μA VCE＝0V 4
Line Regulation ∆VOUT 0.2 %/V IOUT =30mA, VOUT+2V ≤VIN≤10V 4
CE High Voltage (start up) VCEH 1.2 V Start up 4
CE Low Voltage (shut down) VCEL 0.8 V Shut down 4
Short-circuit Current ISHORT 200 mA VOUT＝0V 4
Thermal Shutdown Protection Tsd 100 ℃ IOUT=10mA, VIN= VOUT+2V 4
Limit Power Voltage VIN -0.3 15 V 3
Storage Temperature Range TSTG -50 125 ℃ 3
Operating Free-air Temperature Range TA -40 85 ℃ 3
Thermal resistance, junction to ambient (SOT-23) θJA 500 ℃/W 3
Power dissipation (SOT-23) PW 200 mW 3

CAD (KiCad official)

  • Symbol: MS7233
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: ms7233-etched.step / ms7233-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ms7233.step / ms7233.glb are the bare package body.

Provenance

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

  • Datasheet: MSKSEMI datasheet (7 pp, sha256 72a331f989f76ddc, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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