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ICW1233A33PGQ1

Public Made by Adom

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ICW 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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ICW1233A33PGQ1

ICW · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3

ICW1233A33PGQ1 from ICW, 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 Vss power_in Ground pin.
2 VIN power_in Voltage input; operating range 4.5V to 40V (absolute maximum -0.3 to 40V).
3 VOUT power_out Regulated voltage output (3.3V fixed for this part), up to 100mA maximum output current.

Key specifications

Parameter Value
Manufacturer ICW
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
Operating voltage VIN 4.5 40 V 5
Output voltage VOUT(E) 0.99 1.01 × VOUT(T) IOUT=10mA, VIN=VOUT+2V 5
Quiescent current ISS 3.5 6 μA VIN=VOUT+2V, VOUT<8V 5
Shutdown current ICEL 0.4 1 μA VCE=0V 5
CE high level VCEH 0.9 V 开启 5
CE low level VCEL 0.7 V 关断 5
VIN pin voltage VIN -0.3 40 V 4
Output current IOUT 300 mA 4
Package power dissipation SOT89-3 Pd 1.25 W TA=25℃ 4
Operating ambient temperature TOpr -40 125 ℃ 4
Storage temperature Tstg -55 150 ℃ 4
Junction temperature TJ -40 150 ℃ 4
Thermal resistance junction to ambient SOT89-3 θJA 100 ℃/W 4
Maximum output current IOUTMAX 100 mA VIN=VOUT+2V 5
Load regulation ΔVOUT 11 mV VIN=VOUT+2V, 1mA≤IOUT≤100mA 5
Dropout voltage VDIF 0.116 V IOUT=10mA 5
Dropout voltage VDIF 0.577 V IOUT=50mA 5
Dropout voltage VDIF 1.198 V IOUT=100mA 5
Line regulation ΔVOUT/(ΔVIN·VOUT) 0.01 %/V IOUT=10mA, VOUT+2V≤VIN≤40V 5
Output current limit ILIM 211 mA 最大输出电流 5
Active discharge resistance RDIS 1600 Ω VCE<0.5V 5
PSRR PSRR 63 dB VIN=5V+1VrmsAC, IOUT=10mA, f=100Hz 5
PSRR PSRR 61 dB VIN=5V+1VrmsAC, IOUT=10mA, f=1kHz 5
PSRR PSRR 45 dB VIN=5V+1VrmsAC, IOUT=10mA, f=10kHz 5
Thermal shutdown temperature TSD 151 ℃ 温度上升, IOUT=10mA 5
Thermal shutdown hysteresis ∆TSD 25 ℃ 温度下降 5

CAD (KiCad official)

  • Symbol: ICW1233A33PGQ1
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: icw1233a33pgq1-etched.step / icw1233a33pgq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); icw1233a33pgq1.step / icw1233a33pgq1.glb are the bare package body.

Provenance

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

  • Datasheet: ICW datasheet (10 pp, sha256 944c131fabbfc855, retrieved 2026-10-22, 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-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