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ICW1238A50T2GQ1

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ICW Linear Voltage Regulators (LDO), TO-252-2. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ICW1238A50T2GQ1

ICW · Linear Voltage Regulators (LDO) · TO-252-2

ICW1238A50T2GQ1 from ICW, in a TO-252-2. 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 VIN power_in Voltage input; operating input range is 2.2 V to 40 V (absolute maximum 45 V), with at least 2.2 µF input capacitor recommended.
2 GND power_in Ground; the thermal pad/tab is connected to ground to improve thermal performance.
3 VOUT power_out Voltage output (5.0 V fixed, ±2%) with up to 500 mA output current; use at least 2.2 µF output capacitor and do not let VOUT exceed VIN+0.3 V.

Key specifications

Parameter Value
Manufacturer ICW
Package TO-252-2
Category Power Management ICs
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 VOUT(S) 0.98 1.02 V VIN=VOUT(S)+2V, IOUT=10mA (multiples of VOUT(S)) 6
Dropout voltage VDROP 10 20 mV IOUT=10mA 6
Dropout voltage VDROP 1000 1800 mV IOUT=1A 6
Line regulation 0.01 0.02 %/V VOUT(S)+2V≤VIN≤40V, IOUT=1mA 6
Load regulation 20 40 mV VIN=VOUT(S)+2V, 1mA≤IOUT≤300mA, VOUT(S)≤5.3V 6
Temperature stability -45 45 ppm/°C VIN=VOUT(S)+2V, IOUT=10mA, -40℃≤Ta≤85℃ 6
GND pin current IGND 0.8 1.6 2.5 uA No load, 3.0≤VOUT(S)≤5.3 6
Input voltage VIN 2.2 40 V 6
EN high-level voltage VENH 1.6 40 V 6
EN low-level voltage VENL 0 0.5 V 6
EN high-level current IENH -0.1 0.1 uA VIN=40V, VEN=VIN 6
EN low-level current IENL -0.1 0.1 uA VIN=40V, VEN=0 6
Shutdown current ISH 0.1 1 uA VIN=40V, VEN=0V 6
Maximum output current IOUTMAX 0.5 A 6
Current limit ILIM 1.6 A VIN=VOUT(S)+2V, VOUT=0.9×VOUT(S) 6
Short-circuit current ISHORT 230 mA VIN=VEN=VOUT(S)+2V, VOUT=0V 6
GND pin current at load IGND 480 uA IOUT=100mA 6
Over-temperature protection OTP 155 ℃ IOUT=10mA 6
Input voltage VIN -0.3 45 V Ta=25℃ 5
Power dissipation TO252-2 PD 1800 mW Ta=25℃ 5
Operating ambient temperature Topr -40 125 ℃ 5
Storage temperature Tstg -40 150 ℃ 5
ESD HBM ESD HBM -4000 4000 V 5
Thermal resistance TO252-2 RθJA 55 ℃/W TO252-2 5

CAD (KiCad official)

  • Symbol: ICW1238A50T2GQ1
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252-2 (KiCad packages3D, STEP)
  • 3D model files: icw1238a50t2gq1-etched.step / icw1238a50t2gq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); icw1238a50t2gq1.step / icw1238a50t2gq1.glb are the bare package body.

Provenance

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

  • Datasheet: ICW datasheet (15 pp, sha256 9329483199400613, retrieved 2026-10-23, 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