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LP3219AB5F
Public Made by Adomby adom
LOWPOWER DC-DC Converters, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+44@@ -0,0 +1,44 @@+# LP3219AB5F++**LOWPOWER** · DC-DC Converters · SOT-23-5++LP3219AB5F from LOWPOWER, in a SOT-23-5. 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 | EN | input | Enable pin, active high. Drive above VEN(H)=1.4V to enable, below VEN(L)=0.4V to shut down (ISHDN < 1uA). Internal 500kΩ pull-down when floating. |+| 2 | GND | power_in | Device ground return. Connect to the system ground plane; input and output capacitor return currents should share this node. |+| 3 | LX | output | Switch node. Connects to the drains of the internal high-side (P-ch, ~80mΩ) and synchronous low-side (~70mΩ) power MOSFETs. Tie the external inductor between LX and VOUT. |+| 4 | VIN | power_in | Supply input, 2.5V to 5.5V (absolute max 6.5V). Must be closely decoupled to GND with a 22µF or greater ceramic capacitor. |+| 5 | FB | input | Feedback input. Connect to the center tap of the external resistor divider from VOUT. Regulation threshold is 0.6V typical (0.585V-0.615V); VOUT = 0.6 × (1 + R1/R2). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | LOWPOWER |+| Package | SOT-23-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `LP3219AB5FAB5F`++## CAD (KiCad official)++- Symbol: `LP3219AB5F`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [LOWPOWER datasheet](docs/lp3219ab5f-datasheet.pdf) (12 pp, sha256 `c521946861893107`, 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/lp3219ab5f-datasheet.pdf)
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