qx2303l33t

@@ -0,0 +1,47 @@+# qx2303l33t++**QX Micro Devices** · DC-DC Converters · SOT-23++qx2303l33t from QX Micro Devices, in a SOT-23. 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 | GND | power_in | Power ground (电源地). Connect to the system ground plane and to the negative terminals of the input and output capacitors. |+| 2 | LX | output | Switching-node output (开关信号输出端) of the internal N-channel power MOSFET. Connect to the junction of the boost inductor and the Schottky diode anode. Absolute-max voltage 7V; internal current-limit ILIMIT typ. 800mA (max 1000mA). |+| 3 | VOUT | power_in | Regulated output-voltage sense / device supply pin (输入电压 per datasheet - feeds the internal reference divider and powers the IC from the boost output). Connect directly to the boost output node (cathode of the Schottky diode) and the output capacitor. Fixed 3.3V option for the L33 suffix; ±2.5% accuracy. Abs-max 7V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | QX Micro Devices |+| Package | SOT-23 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `QX2303L33T`+- `qx2303l33tQX2303L33F`+- `qx2303l33tQX2303E33F`+- `qx2303l33tQX2303L33E`+- `qx2303l33tQX2303L33PO`++## CAD (KiCad official)++- Symbol: `qx2303l33t`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [QX Micro Devices datasheet](docs/qx2303l33t-datasheet.pdf) (14 pp, sha256 `1894fd7d1f75a5e6`, 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/qx2303l33t-datasheet.pdf)

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