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SL7333-8

Public Made by Adom

by adom

Slkor SLKORMICRO Elec Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SL7333-8

Slkor SLKORMICRO Elec · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3

SL7333-8 from Slkor SLKORMICRO Elec, in a SOT-89-3. 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 (地), the common return for the regulator.
2 VIN power_in Power input pin; the datasheet gives a recommended input range of +2.5 V to +45 V and an absolute maximum input voltage of 45 V (0 to +45 V rating), with a polarized 1 uF to 10 uF input capacitor recommended close to the pin.
3 VOUT power_out Regulated output pin, which must have a capacitor of more than 1 uF connected to ground; the datasheet recommends a polarized 1 uF to 10 uF output capacitor with ESR of 5 to 100 mΩ.

Key specifications

Parameter Value
Manufacturer Slkor SLKORMICRO Elec
Package SOT-89-3
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
Input voltage (absolute, electrical table) VIN 45 V 4
Output voltage accuracy VOUT -2 2 % Ta=25℃ 4
Output voltage accuracy VOUT -3 3 % -40℃≤Ta≤+85℃ 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 (line regulation) 0.2 %/V VOUT+1V≤VIN≤45V, IOUT=1mA 4
Input voltage (recommended) 2.5 45 V 3
Output current (recommended) 0 300 mA 3
Operating temperature (recommended) -40 85 ℃ 3
Input electrolytic capacitor 1 10 uF 3
Output electrolytic capacitor 1 10 uF 3
ESR of input/output capacitors 5 100 mΩ 3
Input voltage (absolute maximum) Vin 0 45 V Note1 2
Output voltage range (absolute maximum) Vout 1.8 5 V 2
Storage temperature -45 140 ℃ 2
Operating temperature (absolute maximum) -40 85 ℃ 2
ESD human body model 4000 V Note2, EIA/JESD22-A114 2
ESD charged device model 1500 V Note2, JESD22-C101 2
Latch-up maximum current 200 mA Note2, JEDEC78 2
Thermal resistance junction-to-ambient (SOT89) θJA 135 ℃/W No ambient airflow, no heatsink 3
Power dissipation (SOT89) PD 0.5 W Ta=25℃ 3

CAD (KiCad official)

  • Symbol: SL7333-8
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: sl7333-8-etched.step / sl7333-8-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sl7333-8.step / sl7333-8.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 e748680dfb18a7c2, retrieved 2026-10-21, 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