QX2303L30F

@@ -0,0 +1,49 @@+# QX2303L30F++**QX Micro Devices** · DC-DC Converters · SOT-23-5++QX2303L30F from QX Micro Devices, 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 | Chip enable. Active high (VIH >= 0.4*VOUT, VIL <= 0.2V). Drive low to place chip in shutdown (IINQ <= 1 uA). Voltage range -0.3V to VOUT+0.3V. |+| 2 | VOUT | power_in | Regulated boost output and feedback sense pin for the internal error amplifier. Nominal 3.0V for the -30 suffix variant. Also serves as the chip's supply. Absolute max 7V. |+| 3 | NC | unconnected | No connect. Leave floating. |+| 4 | GND | power_in | Power ground return for the internal MOSFET and control circuitry. |+| 5 | LX | output | Switch node - drain of the internal N-channel power MOSFET. Connect to the boost inductor and Schottky diode anode. Absolute max 7V, peak switch current up to 1000 mA (typ ILIMIT 800 mA). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | QX Micro Devices |+| Package | SOT-23-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `QX2303L30FLXXF`+- `QX2303L30FEXXF`+- `QX2303L30FLXXT`+- `QX2303L30FLXXE`+- `QX2303L30FLXXPO`++## CAD (KiCad official)++- Symbol: `QX2303L30F`+- 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:** [QX Micro Devices datasheet](docs/qx2303l30f-datasheet.pdf) (14 pp, sha256 `d242bea889c7a76b`, retrieved 2026-08-17, 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:** `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/qx2303l30f-datasheet.pdf)

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