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LM1085IT-3.3G

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HANSCHIP semiconductor Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LM1085IT-3.3G

HANSCHIP semiconductor · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-220-3

LM1085IT-3.3G from HANSCHIP semiconductor, in a TO-220-3. 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 reference pin of the fixed 3.3V version (labelled ADJ/GND; it is the adjust pin on the ADJ version), with a typical ground pin current of 7mA and a maximum of 10mA.
2 VOUT power_out Regulated 3.3V output (±2% over 0 to 3A load), also connected to the metal tab, with current limit of 3A min and an output capacitor required for stability (22µF tantalum or 150µF aluminum).
3 VIN power_in Input voltage pin, absolute maximum 15V, with dropout of 1.5V max at 3A load.

Key specifications

Parameter Value
Manufacturer HANSCHIP semiconductor
Package TO-220-3
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 (fixed versions, variation from nominal VOUT) VOUT -2 2 % VIN, VOUT = 1.5V to 10V, ILOAD = 0mA to 3A, Variator from nominal VOUT 3
Line Regulation 0.04 0.2 % ILOAD = 10mA, VIN, VOUT = 1.5V to 10V 3
Load Regulation 0.2 0.4 % VIN, VOUT = 1.5V, ILOAD = 10mA to 3A 3
Current Limit 3 4.5 A VIN, VOUT = 1.5V 3
Ripple Rejection 60 65 dB VIN, VOUT = 3V, ILOAD = 3A (120Hz input ripple, CADJ for ADJ = 25µF, COUT = 25µF) 3
Ground Pin Current (fixed versions) 7 10 mA VIN, VOUT = 1.5V, ILOAD = 10mA to 3A 3
Dropout Voltage 1.3 1.5 V ILOAD = 3A (ΔVOUT, ΔVREF = 2%) 3
Temperature Coefficient 0.005 %/℃ VIN, VOUT = 1.5V, ILOAD = 10mA 3
Input Voltage VIN 15 V 2
Operation Junction Temperature Range (Control Section) TJ -40 125 ℃ Control Section 2
Operation Junction Temperature Range (Power Transistor) TJ -40 150 ℃ Power Transistor 2
Storage Temperature Range TSTG -65 150 ℃ 2
Lead Temperature (Soldering 10 sec) TLEAD 245 ℃ TO-220/TO-263, soldering 10 sec 2

CAD (KiCad official)

  • Symbol: LM1085IT-3.3G
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220-3 (KiCad packages3D, STEP)
  • 3D model files: lm1085it-3-3g-etched.step / lm1085it-3-3g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm1085it-3-3g.step / lm1085it-3-3g.glb are the bare package body.

Provenance

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

  • Datasheet: HANSCHIP semiconductor datasheet (10 pp, sha256 ae4e6be38e1041ce, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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