NCP12400CBAAB0DR2G

@@ -0,0 +1,60 @@+# NCP12400CBAAB0DR2G++**onsemi** · AC-DC Controllers And Regulators · SOIC-7++NCP12400CBAAB0DR2G from onsemi, in a SOIC-7. 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 | FAULT | input | Fault input: pull the pin high or low to stop the controller. An internal current source allows direct connection of an NTC for over-temperature detection. Device restarts in autorecovery mode or latches off depending on the option. |+| 2 | FB | input | Feedback + Shutdown pin. An optocoupler tied to ground controls output regulation. Pulling the FB pin to GND puts the part in low-consumption Off mode. |+| 3 | CS | input | Current Sense input for cycle-by-cycle primary peak-current mode control. Also provides overpower compensation adjustment and implements over-voltage protection. |+| 4 | GND | power_in | Controller ground reference for all internal circuitry and the DRV return path. |+| 5 | DRV | output | Gate drive output to the external primary-side power MOSFET. 300 mA source / 500 mA sink peak drive capability. |+| 6 | VCC | power_in | Controller supply pin, connected to the external auxiliary winding. Accepts up to 28 Vdc with internal over-voltage detection; also served by the internal Dynamic Self-Supply from the HV pin during start-up and light-load conditions. |+| 8 | HV | power_in | High-Voltage pin connected to the rectified AC line. Provides start-up current-source, Dynamic Self-Supply, brown-out detection, X2 capacitor discharge, and HV sensing for overpower protection. Must NOT be connected to a DC voltage. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi |+| Package | SOIC-7 |+| Category | Power Management (PMIC) |+| Pins | 7 |++## Ordering variants++Same part, different packaging or reel option.++- `NCP12400BAHAB0DR2G`+- `NCP12400BAHBB0DR2G`+- `NCP12400BBBBB2DR2G`+- `NCP12400BBHAA1DR2G`+- `NCP12400CAHAB0DR2G`+- `NCP12400CBAAB0DR2G`+- `NCP12400CBBAB0DR2G`+- `NCP12400CBHAA0DR2G`+- `NCP12400EAHBB0DR2G`+- `NCP12400BBBBA0DR2G`+- `NCP12400BBHAB0DR2G`+- `NCP12400BBEBA0DR2G`+- `NCP12400BBAAA0DR2G`++## CAD (KiCad official)++- Symbol: `NCP12400CBAAB0DR2G`+- Footprint: `Package_SO:SOIC-8-N7_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-7 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [onsemi datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588930376857632768) (None pp, sha256 `5b6a98e6b6537aad`, 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/ncp12400cbaab0dr2g-datasheet.pdf)

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