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HSCJT1117B-3.3

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HXY MOSFET Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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HSCJT1117B-3.3

HXY MOSFET · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223

HSCJT1117B-3.3 from HXY MOSFET, in a SOT-223. 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 GND power_in Ground pin of the fixed-output version (the HSCJT1117B-3.3 is a fixed 3.3 V part, so pin 1 is GND rather than Adj.); the datasheet gives no further limit for this pin.
2 Vout power_out Regulated output pin, rated for up to 1 A maximum output current per the datasheet.
3 Vin power_in Input pin; the absolute maximum input voltage is 18 V and stable operation is stated up to 12 V, with a minimum Vin-Vout dropout of 1.4 V.

Key specifications

Parameter Value
Manufacturer HXY MOSFET
Package SOT-223
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 (-3.3 fixed) Vout 3.235 3.3 3.365 V 10mA≤Iout≤1A, 5.3 V≤Vin≤12V 3
Line regulation (Vout voltage linearity, -3.3) 18 mV Iout=10mA, 3.9V≤Vin≤10V 3
Load regulation (-3.3) 20 mV Vin=5.3V, 0≤Iout≤1A 4
Dropout voltage Vin-Vout 1.4 V ΔVout, ΔVref=1%, Iout=1A 4
Quiescent current (-3.3) Iq 12 mA Vin=5.3V 4
Maximum input voltage Vin 18 V 2
Maximum junction temperature TJ 125 °C 2
Maximum ambient temperature TA 125 °C 2
Storage temperature Ts -65 150 °C 2
Soldering temperature and time 300 °C 10S 2
Input voltage range (recommended) 15 V 2
Operating ambient temperature (recommended) 0 125 °C 2

CAD (KiCad official)

  • Symbol: HSCJT1117B-3.3
  • Footprint: Package_TO_SOT_SMD:SOT-223-3_TabPin2
  • 3D model: SOT-223 (KiCad packages3D, STEP)
  • 3D model files: hscjt1117b-3-3-etched.step / hscjt1117b-3-3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hscjt1117b-3-3.step / hscjt1117b-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 f39a2f83e4e834c8, 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