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HSPX3819M5-L-3-3

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

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HSPX3819M5-L-3-3

HXY MOSFET · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5L

HSPX3819M5-L-3-3 from HXY MOSFET, in a SOT-23-5L. 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 VIN power_in Regulator input supply; the datasheet gives an input voltage range of 3.0 V to 20 V and asks that the input capacitor be placed close to the VIN pin.
2 VSS power_in Ground reference pin for the regulator.
3 CE input Chip enable input; a level of 0 V to 0.3 V (VCEL) disables the output and puts the part into standby with a maximum 0.2 µA sleep current, and the datasheet gives a 1.7 V minimum for the enable-high level (VCEH).
4 NC unconnected No connection (floating pin, marked 悬空 in the datasheet); leave unconnected.
5 VOUT power_out Regulated output; for the HSPX3819M5-L-3-3 variant the output voltage is 3.3 V, and the datasheet requires a ceramic output capacitor of at least 1 µF from VOUT to ground.

Key specifications

Parameter Value
Manufacturer HXY MOSFET
Package SOT-23-5L
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
Output voltage accuracy -2 2 % IOUT=1mA 3
Output current IOUT 350 mA VIN=VOUT+2.0V 3
Short-circuit current ISHORT 400 mA VIN=VOUT+2.0V 3
Dropout voltage VDIF 200 mV IOUT=100mA, VOUT=3.3V 3
Quiescent current ISS 1.8 4 μA VCE=VIN 3
Standby (shutdown) current ISTANDBY 0.2 μA VCE=VSS 3
Enable high-level voltage VCEH 1.7 24 V VIN=VOUT+2.0V 3
Enable low-level voltage VCEL 0 0.3 V VIN=VOUT+2.0V 3
Input voltage VIN 3 20 V 3
Output voltage VOUT 3 5 V 3
Line regulation △VOUT/VOUT*△VIN 0.015 0.2 %/V VOUT+1.0V≤VIN≤20V, IOUT=10mA 3
Output temperature coefficient △VOUT/△TA*VOUT -100 100 ppm/°C VIN=VOUT+2.0V, IOUT=10mA, -40°C≤TA≤125°C 3
Active discharge resistance RDIS 300 VCE<0.5V 3
Input voltage (absolute maximum) VIN -0.3 22 V 2
Output current (absolute maximum) IOUT 500 mA 2
Power dissipation PD 200 mW 2
Operating temperature range (absolute maximum table) TOPR -40 80 °C 2
Storage temperature range TSTG -40 150 °C 2
Soldering temperature 260 °C 10 sec 2
Operating temperature range (features) -20 105 °C 1

CAD (KiCad official)

  • Symbol: HSPX3819M5-L-3-3
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5L (KiCad packages3D, STEP)
  • 3D model files: hspx3819m5-l-3-3-etched.step / hspx3819m5-l-3-3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hspx3819m5-l-3-3.step / hspx3819m5-l-3-3.glb are the bare package body.

Provenance

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

  • Datasheet: HXY MOSFET datasheet (6 pp, sha256 1f63591e1c37c158, retrieved 2026-10-17, 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: 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