AOZ1284PI

@@ -0,0 +1,49 @@+# AOZ1284PI++**Alpha Omega Semicon** · DC-DC Converters · SOIC-8-EP++AOZ1284PI from Alpha Omega Semicon, in a SOIC-8-EP. 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 | LX | output | PWM switch node output. Connect to the external inductor of the buck converter. Swings from ~GND to ~VIN at the switching frequency; abs-max -0.7V to VIN+0.3V. |+| 2 | BST | power_in | Bootstrap voltage pin. Driver supply for the high-side NMOS. Connect a 100 nF ceramic capacitor between BST and LX; abs-max -0.3V to VLX+6V. |+| 3 | GND | power_in | Ground pin. Signal and power ground reference for the IC. |+| 4 | FSW | input | Frequency bias pin. Connect a resistor (RF) from FSW to GND to program the switching frequency from 200 kHz (RF≈270 kΩ) to 2 MHz. |+| 5 | COMP | output | Error amplifier compensation pin. Connect an external R-C network to GND to set loop compensation for system stability; abs-max -0.3V to +6V. |+| 6 | FB | input | Feedback pin. Regulated to 0.8V (typ). Connect a resistor divider from VOUT to FB to GND to program the output voltage (0.8V to VIN*0.85V); abs-max -0.3V to +6V. |+| 7 | SS | passive | Soft-start pin. Connect an external capacitor from SS to GND to set the soft-start ramp time; internal source current ~2.5 µA; abs-max -0.3V to +6V. |+| 8 | EN | input | Enable pin. Drive above ~1.2V (typ) to enable the regulator, below 0.4V to disable (shutdown). 200 mV of input hysteresis; abs-max -0.3V to +6V. |+| EPAD | VIN | power_in | Supply voltage pin, provided on the exposed thermal pad. Operating range 3.0V to 36V (abs-max 40V). Must be soldered to a PCB copper plane both for the input supply connection and for heat sinking. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Alpha Omega Semicon |+| Package | SOIC-8-EP |+| Category | PMIC |+| Pins | 9 |++## Ordering variants++- `AOZ1284PIPI`+- `AOZ1284PIPI-1`++## CAD (KiCad official)++- Symbol: `AOZ1284PI`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8-EP (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Alpha Omega Semicon datasheet](docs/aoz1284pi-datasheet.pdf) (14 pp, sha256 `d4c431a947220f9c`, 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/aoz1284pi-datasheet.pdf)

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