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IS32LT3178-STLA3-TR

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INTEGRATED SILICON SOLUTION INC Global Sourcing Parts, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentglobal sourcing partsis32lt3178-stla3-trfactory-2.0.0extractor-text

Verified IS32LT3178-STLA3-TR

by Ray · last 30 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier lcsc, 6 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: IS32LT3178-STLA3-TR · SOT-23-6 · 6 pins
  • ✓copper: 6 copper pads, none touching another net
  • ✓datasheet: all 6 pin names found in the 22-page datasheet
  • ✓distributor: lcsc C17346920, digikey 2521-IS32LT3178-STLA3-TR-ND, mouser 870-3178-STLA3-TR
  • ✓family: SOT-23-6
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-mqysppf8/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 6 pins = 6 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 6 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ is32lt3178-stla3-tr.kicad_sym✓ is32lt3178-stla3-tr.kicad_mod✓ is32lt3178-stla3-tr.step
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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 7d ago
viewers is32lt3178-stla3-tr: viewers · Ray 7d ago
is32lt3178-stla3-tr-etched.glb Publish 0.1.0 · Ray 7d ago
is32lt3178-stla3-tr-etched.step is32lt3178-stla3-tr: factory component page (tier=lcsc) · Ray 7d ago
is32lt3178-stla3-tr-hero.glb is32lt3178-stla3-tr: hero GLB from the etched model (keeps the MPN mark) · Ray 7d ago
is32lt3178-stla3-tr-hero.overlay.json Publish 0.1.0 · Ray 7d ago
is32lt3178-stla3-tr.glb Publish 0.1.0 · Ray 7d ago
is32lt3178-stla3-tr.kicad_mod Publish 0.1.0 · Ray 7d ago
is32lt3178-stla3-tr.kicad_sym Publish 0.1.0 · Ray 7d ago
is32lt3178-stla3-tr.lbr Publish 0.1.0 · Ray 7d ago
is32lt3178-stla3-tr.step Publish 0.1.0 · Ray 7d ago
package.json Publish 0.1.0 · Ray 7d ago
page.json Set visibility: public · Ray 7d ago
README.md Publish 0.1.0 · Ray 7d ago
verification.json Verified: Published by the parts factory: tier lcsc, 6 pins · Ray 7d ago

IS32LT3178-STLA3-TR

INTEGRATED SILICON SOLUTION INC · Global Sourcing Parts · SOT-23-6

IS32LT3178-STLA3-TR from INTEGRATED SILICON SOLUTION INC, in a SOT-23-6. 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 EN input Enable pin (PWM input on IS32LT3178, up to 1kHz); IS32LT3178 EN absolute maximum is 6.0V and sufficient supply voltage on EN is 2.9V to 5.5V for 10mA to 150mA.
2 GND power_in Ground pin; all GND pins must be connected to supply ground.
3 OUT passive Current sink output; maximum output voltage 44V, minimum headroom 1.2V at 150mA, output current limit typically 295mA.
4 GND power_in Ground pin; all GND pins must be connected to supply ground.
5 GND power_in Ground pin; all GND pins must be connected to supply ground.
6 ISET passive Output current setting pin; connect a resistor (10.6kΩ to 160kΩ for SOT23-6) between this pin and GND to set the maximum output current, and do not leave it floating.

Key specifications

Parameter Value
Manufacturer INTEGRATED SILICON SOLUTION INC
Package SOT-23-6
Category Global Sourcing Parts
Pins 6

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 current (25°C) IOUT 96.5 100 103.5 mA VOUT>1.0V, VEN=3.3V, RISET=16kΩ, SOT23-6, TA=TJ=25°C 5
Output current (full temp) IOUT 94 100 106 mA VOUT>1.0V, VEN=3.3V, RISET=16kΩ, SOT23-6, -40°C to 125°C 5
Output current (25°C) IOUT 145.5 150 154.5 mA VOUT>1.5V, VEN=3.3V, RISET=10.6kΩ, SOT23-6, TA=TJ=25°C 6
Output current (full temp) IOUT 142.5 150 157.5 mA VOUT>1.5V, VEN=3.3V, RISET=10.6kΩ, SOT23-6, -40°C to 125°C 6
Enable current IEN 0.5 1 mA VEN=3.3V, RISET=16kΩ 5
OUT pin breakdown voltage VBD_OUT 40 V VEN=0V 5
Current setting reference voltage VISET 1 V 5
Output current IOUT 10 mA VOUT=0.8V, VEN=3.3V, RISET=160kΩ 5
EN UVLO threshold, rising VUVLO 1.9 2.4 V VEN rising 6
EN UVLO threshold, falling VUVLO 1.2 1.7 V VEN falling 6
Sufficient supply voltage on EN pin VEN 2.9 5.5 V 10mA≤IOUT≤150mA, VOUT=2V, SOT23-6 6
Output current limit IOUT_LIMIT 295 mA RISET=GND, VEN=3.3V 6
Minimum required headroom voltage VHR 1.2 V IOUT=150mA, SOT23-6 6
EN pin enabling time tON 10 μs VOUT>1.5V, VEN=3.3V, RISET=16kΩ 6
Thermal roll off threshold TRO 145 °C Current decreasing slope rate: -0.6%/°C (Note 8) 6
Thermal shutdown threshold TSD 170 °C Temperature rising (Note 8) 6
Thermal shutdown hysteresis TSD_HY 30 °C Temperature falling (Note 8) 6
Maximum enable voltage VEN(MAX) 6 V IS32LT3178 5
Maximum output current IOUT(MAX) 250 mA 5
Maximum output voltage VOUT(MAX) 44 V 5
Reverse voltage between all terminals VR 0.5 V 5
Power dissipation PD(MAX) 0.77 W SOT23-6 5
Maximum junction temperature TJMAX 150 °C 5
Storage temperature range TSTG -65 150 °C 5
Operating temperature range TA=TJ -40 125 °C 5
ESD HBM ESD (HBM) -2 2 kV 5
ESD CDM ESD (CDM) -750 750 V 5
Thermal resistance junction to ambient θJA 130 °C/W SOT23-6, 4 layer standard test PCB based on JESD 51-2A 5

CAD (KiCad official)

  • Symbol: IS32LT3178-STLA3-TR
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: is32lt3178-stla3-tr-etched.step / is32lt3178-stla3-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); is32lt3178-stla3-tr.step / is32lt3178-stla3-tr.glb are the bare package body.

Provenance

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

  • Datasheet: INTEGRATED SILICON SOLUTION INC datasheet (22 pp, sha256 78ab75e127b35486, retrieved 2026-10-30, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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