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LR1106G-33-AE3-3-R

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UTC Unisonic Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LR1106G-33-AE3-3-R

UTC Unisonic Tech · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23

LR1106G-33-AE3-3-R from UTC Unisonic Tech, in a SOT-23. 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 VOUT power_out Regulated output voltage pin; the datasheet gives an output voltage range of VSS -0.3 V to VIN+0.3 V and a maximum output current of 400 mA.
2 GND power_in Ground reference pin for the regulator.
3 VIN power_in Input voltage pin; the maximum input voltage is 8 V (absolute maximum rating).

Key specifications

Parameter Value
Manufacturer UTC Unisonic Tech
Package SOT-23
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 VOUT 3.234 3.3 3.366 V VIN=4.3V, IOUT=40mA 7
Load Regulation ΔVOUT 40 100 mV VIN=4.3V, 1mA≤IOUT≤200mA 7
Dropout Voltage VD1 VD1 150 220 mV IOUT=100mA 7
Dropout Voltage VD2 VD2 300 420 mV IOUT=200mA 7
Maximum Output Current IOUT(MAX) 400 mA VIN=4.3V, VOUT≥VOUT× 0.96 7
Supply Current ISS 30 50 µA VIN=4.3V, VEN=VIN 7
EN Input Bias Current (high) IEH 0.1 µA VEN=VIN 7
EN Input Bias Current (low) IEL 1 3 µA VEN=0, VIN=4.3V to 8V 7
EN Input Threshold (low) VEL 0 0.4 V VIN=4.3V to 8V 7
Line Regulation ΔVOUT/(ΔVIN×VOUT) 0.2 0.5 %/V IOUT=40mA, 4.3V≤VIN≤8.0V 7
Output Voltage Temperature Characteristics ΔVOUT/(ΔTOPR×VOUT) -100 100 ppm/°C IOUT=40mA 7
Input Voltage VIN 8 V 4
Output Voltage (absolute maximum, lower limit) VOUT -0.3 V 4
Output Current IOUT 400 mA 4
Power Dissipation (SOT-25/SOT-23) PD 300 mW 4
Operating Ambient Temperature TOPR -40 85 °C 4
Storage Temperature TSTG -40 125 °C 4

CAD (KiCad official)

  • Symbol: LR1106G-33-AE3-3-R
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: lr1106g-33-ae3-3-r-etched.step / lr1106g-33-ae3-3-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lr1106g-33-ae3-3-r.step / lr1106g-33-ae3-3-r.glb are the bare package body.

Provenance

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

  • Datasheet: UTC Unisonic Tech datasheet (17 pp, sha256 61db128e6d990ff0, retrieved 2026-10-18, tier: lcsc)
  • 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