SCT2630STER

@@ -0,0 +1,49 @@+# SCT2630STER++**SCT** · DC-DC Converters · ESOP-8++SCT2630STER from SCT, in a ESOP-8. 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 | BOOT | passive | Bootstrap supply for the high-side power MOSFET gate driver. Connect a 0.1uF capacitor from BOOT to SW; the cap is charged when SW is low. Absolute max 72V; BOOT-SW absolute max 6V. |+| 2 | VIN | power_in | Input supply voltage, 4.2V to 60V operating (absolute max 65V). Connect a local high-frequency bypass capacitor from VIN to GND with the shortest possible path. |+| 3 | EN | input | Enable pin with internal 1uA/4uA pull-up current source. Pull below 1.05V to disable, above 1.2V to enable. May float or tie to VIN to auto-enable; a VIN-to-GND resistor divider on EN sets a programmable UVLO threshold. Absolute max 65V. |+| 4 | RT/CLK | bidirectional | Sets internal oscillator frequency via a resistor to GND (100 kHz-1.2 MHz), or accepts an external clock for PLL sync (100 kHz-1.2 MHz, high ≥2V, low ≤0.4V, pulse width >80ns). Typical pin voltage 0.5V in RT mode. If external clock stops, mode reverts automatically to resistor-programmed frequency. Absolute max 6V. |+| 5 | FB | input | Inverting input of the trans-conductance error amplifier. External resistor divider from VOUT to GND ties to FB; device regulates FB to the internal 0.8V (±1%) reference. Absolute max 6V. |+| 6 | COMP | output | Error amplifier output for external loop compensation network (typ. series R-C to GND). COMP clamps at ~2.25V high and ~0.47V low; EA gm = 240 µA/V, source/sink current 24 µA. Absolute max 6V. |+| 7 | GND | power_in | Device ground return. Connect directly to the input bypass capacitor return with a low-impedance path; tie to the exposed thermal pad. |+| 8 | SW | power_out | Switching node - source of the internal 220mΩ high-side MOSFET. Connect to the external power inductor and (for asynchronous operation) the anode of a Schottky freewheeling diode. Absolute max range -1V to 65V. |+| 9 | Thermal Pad | power_in | Exposed die-pad for heat dissipation. Electrically connected to GND (pin 7) and must be soldered to the PCB ground plane for proper operation and optimum thermal performance (θJA ≈ 42 °C/W). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | SCT |+| Package | ESOP-8 |+| Category | PMIC |+| Pins | 9 |++## Ordering variants++- `SCT2630STERSTE`+- `SCT2630STERSTER`++## CAD (KiCad official)++- Symbol: `SCT2630STER`+- Footprint: `Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm`+- 3D model: ESOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [SCT datasheet](docs/sct2630ster-datasheet.pdf) (22 pp, sha256 `9efec8f7038ae171`, 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/sct2630ster-datasheet.pdf)

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