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LR8341A-M33
Public Made by Adomby adom
LR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+43@@ -0,0 +1,43 @@+# LR8341A-M33++**LR** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3++LR8341A-M33 from LR, in a SOT-89-3. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VSS | power_in | Ground / negative supply reference. All voltages in the datasheet are referenced to this pin. Connect directly to the system ground plane; the SOT-89-3 tab is also tied to this pin for thermal dissipation. |+| 2 | VIN | power_in | Unregulated supply input, up to 40V operating (55V absolute max). Bypass with capacitor C1 to VSS close to the pin. Must be ≥ VOUT + dropout (typ. 750mV at 100mA). |+| 3 | VOUT | power_out | Regulated 3.3V output (±2% tolerance) capable of sourcing up to 100mA continuous (160mA absolute max). Bypass with output capacitor C2 to VSS. Internally short-circuit protected (~15mA short-circuit current when VOUT is shorted to GND). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | LR |+| Package | SOT-89-3 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `LR8341A-M33M33`+- `LR8341A-M33T33`++## CAD (KiCad official)++- Symbol: `LR8341A-M33`+- Footprint: `Package_TO_SOT_SMD:SOT-89-3`+- 3D model: SOT-89-3 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [LR datasheet](docs/lr8341a-m33-datasheet.pdf) (13 pp, sha256 `0ef57f5e903211ad`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/lr8341a-m33-datasheet.pdf)
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