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LM1084IT-ADJG

Public Made by Adom

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

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LM1084IT-ADJG

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

LM1084IT-ADJG from HANSCHIP semiconductor, in a TO-220-3L. 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/ADJ power_in Ground reference on fixed-voltage versions and the ADJ terminal on the adjustable LM1084-ADJ, where VOUT = VREF×(1+R2/R1)+IADJ×R2 with VREF of 1.250 V typical.
2 VOUT power_out Regulated output rated for up to 5 A, with 1.5 V dropout at 5 A and a 6.5 A typical current limit, and requires at least 22 μF tantalum output capacitance for stability.
3 VIN power_in Unregulated input supply with a 20 V absolute maximum and 12 V recommended input voltage.

Key specifications

Parameter Value
Manufacturer HANSCHIP semiconductor
Package TO-220-3L
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
输入工作电压 (absolute maximum) VIN 20 V 3
引脚温度 (焊接 10 秒) TLEAD 245 ℃ Soldering 10 s 3
工作结温范围 (absolute maximum) TJ 150 ℃ 3
储存温度 TS -65 150 V 3
ESD 能力 (最小值) ESD 2000 V 3
基准电压 VREF (LM1084-ADJ) VREF 1.231 1.25 1.269 V IOUT=10mA, VIN-VOUT=3V 3
基准电压 VREF (LM1084-ADJ) VREF 1.225 1.25 1.275 V 10mA≤IOUT≤5A, 1.5V≤VIN-VOUT≤5V 3
工作结温范围 (recommended) TJ 0 125 °C 3
线性调整 ΔVOUT (LM1084-ADJ) ΔVOUT 0.015 0.2 % IOUT=10mA, 2.85V≤VIN≤10V 3
负载调整 ΔVOUT (LM1084-ADJ) ΔVOUT 0.1 0.4 % 0mA≤IOUT≤5A, VIN-VOUT=3V 4
压差 VDROP VDROP 1.45 1.5 V IOUT=5A, ΔVREF, ΔVOUT=1% 4
限流电流 ILIMIT ILIMIT 5.5 6.5 A VIN-VOUT=3V 4
最小负载电流 ILOAD(MIN) (LM1084-ADJ) ILOAD(MIN) 3 10 mA VIN=10V 4
静态电流 IQ IQ 5 10 mA VIN=10V (LM1084) 4
纹波抑制比 PSRR PSRR 60 72 dB fRIPPLE=120Hz, COUT=25μF tantalum, IOUT=5A, VIN-VOUT=3V 4
可调管脚电流 IADJ IADJ 55 120 μA VIN=4.25V, IOUT=10mA 4
可调管脚电流变化 ΔIADJ ΔIADJ 0.2 5 μA 10mA≤IOUT≤5A, 1.5V≤(VIN-VOUT)≤4.5V 4
输入电压 (recommended) VIN 12 V 3
温度稳定性 0.5 % IOUT=10mA, VIN-VOUT=1.5V 4
长期稳定性 0.5 % Tamb=125°C, 1000Hrs 4
RMS 噪声 (% of VOUT) 0.003 % 10Hz≤f≤10kHz 4
热阻 θJA (TO-220-3L) θJA 60 ℃/W TO-220-3L 4

CAD (KiCad official)

  • Symbol: LM1084IT-ADJG
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220-3L (KiCad packages3D, STEP)
  • 3D model files: lm1084it-adjg-etched.step / lm1084it-adjg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm1084it-adjg.step / lm1084it-adjg.glb are the bare package body.

Provenance

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

  • Datasheet: HANSCHIP semiconductor datasheet (11 pp, sha256 eea5ae8cca4fced7, retrieved 2026-10-18, 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-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