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LM7815AL-TA3-T

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

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LM7815AL-TA3-T

UTC(Unisonic Tech) · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-220

LM7815AL-TA3-T from UTC(Unisonic Tech), in a TO-220. 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 INPUT power_in Input voltage pin; the absolute maximum input voltage is 35 V for VOUT=5~18V.
2 GND power_in Ground pin, which must be the minimum potential in all operating conditions.
3 OUTPUT power_out Regulated output pin, rated for output current up to 1 A, with a maximum output capacitance of 1000 µF recommended.

Key specifications

Parameter Value
Manufacturer UTC(Unisonic Tech)
Package TO-220
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 14.4 15 15.6 V TJ =25°C, IOUT=5mA ~ 1.0A 7
Output Voltage VOUT 14.25 15.75 V VIN =17.5V ~ 30V, IOUT=5mA ~ 1.0A, PD≤15W 7
Load Regulation VOUT 150 mV TJ =25°C, IOUT=5mA ~ 1.0A 7
Load Regulation VOUT 75 mV TJ =25°C, IOUT=0.25A ~ 0.75A 7
Line regulation VOUT 150 mV VIN =18.5V ~ 30V, TJ =25°C 7
Quiescent Current IQ 8 mA TJ =25°C, IOUT≤1.0A 7
Quiescent Current Change IQ 1 mA VIN =17.5V ~ 30V 7
Quiescent Current Change IQ 0.5 mA IOUT=5mA ~ 1.0A 7
Dropout Voltage VD 2 V TJ =25°C 7
Ripple Rejection RR 51 70 dB VIN =18.5V ~ 28.5V, f=120Hz, TJ =25°C 7
Output Noise Voltage eN 90 μV 10Hz≤f≤100kHz 7
Peak Output Current IPEAK 1.8 A TJ =25°C 7
Input voltage VIN 35 V VOUT=5~18V 4
Output Current IOUT 1 A 4
Junction Temperature TJ 150 °C 4
Operating Temperature TOPR -40 125 °C 4
Storage Temperature TSTG -55 150 °C 4
Junction to Ambient θJA 65 °C/W TO-220/TO-220F/TO-262 4
Junction to Case θJC 5 °C/W TO-220/TO-262 4

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts copper Notes: 1.The Maximum steady state usable output current are dependent on input voltage, heat sinking, lead length of the package and copper pattern of PCB. The data above represents pulse test conditi 8

CAD (KiCad official)

  • Symbol: LM7815AL-TA3-T
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220 (KiCad packages3D, STEP)
  • 3D model files: lm7815al-ta3-t-etched.step / lm7815al-ta3-t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm7815al-ta3-t.step / lm7815al-ta3-t.glb are the bare package body.

Provenance

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

  • Datasheet: UTC(Unisonic Tech) datasheet (12 pp, sha256 992fdafd72d0cee3, retrieved 2026-10-27, tier: manufacturer)
  • 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