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RT9080-28GJ5-MS

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MSKSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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RT9080-28GJ5-MS

MSKSEMI · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5

RT9080-28GJ5-MS from MSKSEMI, in a SOT-23-5. 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 VIN power_in Power input for the LDO, specified for 1.2V to 6V operation, with an input capacitor of 1µF or larger placed close to the VIN and GND pins.
2 GND power_in Ground pin; the input and output capacitor ground connections must return to this pin using short, wide traces.
3 EN input Enable control: EN is specified with a rising threshold of 1.7V (VIH) and a falling threshold of 0.6V (VIL), and pulling it low enters shutdown, where quiescent current drops to about 10nA typical (enable-pin versions only).
4 NC unconnected No internal connection; the pin is floating and is not used on this part.
5 VOUT power_out Regulated output for the 2.8V fixed-output variant, rated for up to 600mA load current and requiring a ceramic or tantalum output capacitor of 1µF to 22µF with ESR above 1mΩ placed close to VOUT and GND.

Key specifications

Parameter Value
Manufacturer MSKSEMI
Package SOT-23-5
Category Power Management (PMIC)
Pins 5

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 1.2 6 V 8
Output voltage accuracy -2 2 % VIN=5V, VEN=5V, TA=25°C; ILOAD=0.1mA 8
Shutdown current ISD 0.01 0.5 μA VIN=5V, VEN=5V, TA=25°C; VEN=0V, VOUT=0V 8
EN input current IEN 10 100 nA VIN=5V, VEN=5V, TA=25°C; VEN=5V 8
Output current limit ILIM 601 1100 mA VIN=5V, VEN=5V, TA=25°C; VOUT=0V 8
Input voltage (recommended operating) VIN 1.2 6 V 7
Application junction temperature range -40 125 °C 7
Application ambient temperature range -40 85 °C 7
VIN to GND VIN -0.3 7 V VIN to GND 7
VOUT, EN to GND VOUT, EN -0.3 6 V VOUT, EN to GND 7
VOUT to VIN VOUT-VIN -6 0.3 V VOUT to VIN 7
Junction temperature 150 °C 7
Storage temperature range 150 °C 7
Lead soldering temperature 260 °C Soldering, 10 sec. 7
Thermal resistance junction-to-ambient, SOT-23-5 θJA 200 °C/W TA=25°C, EVB board (Note 2) 7

CAD (KiCad official)

  • Symbol: RT9080-28GJ5-MS
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: rt9080-28gj5-ms-etched.step / rt9080-28gj5-ms-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rt9080-28gj5-ms.step / rt9080-28gj5-ms.glb are the bare package body.

Provenance

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

  • Datasheet: MSKSEMI datasheet (18 pp, sha256 30076b7d05ff2bd1, 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, 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