component
LR8323A-T30
Public Made by Adomby adom
LR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLR8323A-T30
LR · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-3L
LR8323A-T30 from LR, in a SOT-23-3L. 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 | power_in | Ground pin; all voltages are referenced to GND. |
| 2 | VOUT | power_out | Regulated output pin (fixed 3.0V for the T30 option) with at least 1uF ceramic output capacitor required, delivering 300mA typical output current. |
| 3 | VIN | power_in | Input supply pin accepting up to 24V operating (32V absolute maximum) with at least 1uF ceramic input capacitor recommended. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | LR |
| Package | SOT-23-3L |
| 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 |
|---|---|---|---|---|---|---|---|
| 最大输入电源电压 (Maximum input supply voltage) | VIN | 32 | V | 4 | |||
| 最大输出电流 (Maximum output current) | IOUT | 420 | mA | 4 | |||
| 耗散功率 (Power dissipation) SOT23 | PD | 250 | mW | SOT23 package | 4 | ||
| 工作温度 (Operating temperature) | TOPR | -40 | 105 | ℃ | 4 | ||
| 存储温度 (Storage temperature) | TSTG | -40 | 125 | ℃ | 4 | ||
| ESD human body model (H.B.M POS/NEG) | -3000 | 3000 | V | H.B.M POS/NEG | 4 | ||
| 最大结温 (Maximum junction temperature, absolute rating) | TJ(MAX) | 150 | °C | 8 | |||
| 正常工作最大结温 (Recommended maximum junction temperature) | 125 | °C | recommended for normal operation | 8 | |||
| 输入电压 (Input voltage) | VIN | 24 | V | ISS=5uA | 4 | ||
| 标称输出电压 (Nominal output voltage, 3.0V variant) | VOUT | 3 | V | 2 | |||
| 输出电压精度 (Output voltage accuracy) | VOUT | -1 | 1 | % | VIN=VOUT+1V, IOUT=10mA | 4 | |
| 使能开启电压 (Enable on voltage) | VCE | 0.7 | 1.2 | V | VIN=2.2V, IOUT=1mA | 4 | |
| 线性调整度 (Line regulation) | ΔVOUT | -10 | 10 | mV | VOUT+1V≤VIN≤24V, IOUT=5mA | 4 | |
| 负载调整度 (Load regulation) | ΔVOUT | -50 | 50 | mV | VIN=VOUT+1V, 1mA≤IOUT≤100mA | 4 | |
| 最小压差 (Dropout voltage) at 50mA | VDrop | 130 | 150 | 170 | mV | IOUT=50mA, ΔVOUT=±1%*VOUT | 4 |
| 最小压差 (Dropout voltage) at 150mA | VDrop | 230 | 250 | 270 | mV | IOUT=150mA, ΔVOUT=±1%*VOUT | 5 |
| 停机电流 (Shutdown current) | ISHD | -1 | 1 | uA | VIN=VOUT+1V, VCE=0V | 5 | |
| 输出电压温度系数 (Temperature coefficient) | ΔVOUT/(ΔTa*VOUT) | -100 | 100 | ppm/℃ | VIN=VOUT+1V, IOUT=10mA, -40℃≤Ta≤85℃ | 5 | |
| 输入电容 (Input capacitor, recommended minimum) | CIN | 1 | μF | ceramic, recommended minimum | 8 | ||
| 输出电容 (Output capacitor, recommended minimum) | COUT | 1 | μF | ceramic, recommended minimum | 8 | ||
| 结到环境热阻 (Junction-to-ambient thermal resistance) | θJA | 500 | °C/W | SOT23-3L | 8 |
CAD (KiCad official)
- Symbol:
LR8323A-T30 - Footprint:
Package_TO_SOT_SMD:SOT-23-3 - 3D model: SOT-23-3L (KiCad packages3D, STEP)
- 3D model files:
lr8323a-t30-etched.step/lr8323a-t30-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lr8323a-t30.step/lr8323a-t30.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LR datasheet (13 pp, sha256
013faf03fa63e0cc, retrieved 2026-10-17, 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).