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SL7333-3

Public Made by Adom

by adom

Slkor SLKORMICRO Elec 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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SL7333-3

Slkor SLKORMICRO Elec · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-3

SL7333-3 from Slkor SLKORMICRO Elec, 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 GND power_in Ground pin of the SOT23-3 package, listed as 地 (ground) in the pin description table.
2 VIN power_in Power input pin; recommended input voltage is +2.5 to +45 V, and the absolute maximum input voltage is 0 to +45 V (Note 1).
3 VOUT power_out Regulated output pin, which must be connected to ground through a capacitor greater than 1 uF; output current is 0 to 300 mA.

Key specifications

Parameter Value
Manufacturer Slkor SLKORMICRO Elec
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 (nominal 3.3V), Ta=25℃ -2 2 % Ta=25℃ 4
Output voltage accuracy (nominal 3.3V), over temperature -3 3 % -40℃≤Ta≤+85℃ 4
Input voltage VIN 45 V 4
Dropout voltage 1000 1300 mV IOUT=300mA, VOUT=3.3V 4
Load regulation 40 mV 1mA≤IOUT≤300mA, VIN=VOUT+1V 4
Current limit I_LMT 300 450 mA VIN=VOUT+1V 4
Quiescent current 3 4 uA No load (IOUT=0mA) 4
Input voltage regulation 0.2 %/V VOUT+1V≤VIN≤45V, IOUT=1mA 4
Input voltage (recommended operating) 2.5 45 V 3
Output current (recommended operating) 0 300 mA 3
Operating temperature (recommended) -40 85 ℃ 3
Input polarized capacitor 1 10 uF 3
Output polarized capacitor 1 10 uF 3
ESR of input/output capacitors 5 100 mΩ 3
Input voltage (absolute maximum) Vin 0 45 V Note 1 2
Output voltage range (family, absolute maximum table) Vout 1.8 5 V 2
Storage temperature -45 140 ℃ 2
Operating temperature (absolute maximum table) -40 85 ℃ 2
ESD human body model 4000 V EIA/JESD22-A114, Note 2 2
ESD charged device model 1500 V JESD22-C101, Note 2 2
Latch-up current 200 mA JEDEC78, Note 2 2
Thermal resistance junction-to-ambient θJA 360 ℃/W SOT23-3, no airflow, no heatsink 3
Power dissipation PD 0.2 W SOT23-3, Ta=25℃ 3
Nominal output voltage (SL 7333-x) 3.3 V 1
Output current 300 mA VIN=VOUT+2V 4
Short-circuit current limit 100 mA VOUT=0V 4
Temperature coefficient 100 ppm/℃ IOUT=10mA, -40℃<Ta<85℃ 4
Power supply rejection ratio PSRR 60 dB VIN=VOUT+1V, IOUT=20mA, f=1kHz 4
Output noise voltage eN 100 uVrms VIN=VOUT+1V, IOUT=1mA, f=10Hz~100kHz, VOUT=3V, CL=1uF 4
Output discharge resistance 70 Ω =4V, Ven=0V 4

CAD (KiCad official)

  • Symbol: SL7333-3
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: sl7333-3-etched.step / sl7333-3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sl7333-3.step / sl7333-3.glb are the bare package body.

Provenance

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

  • Datasheet: Slkor SLKORMICRO Elec datasheet (11 pp, sha256 6fd6ca995c83ca54, 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