RT9048GSP

@@ -0,0 +1,48 @@+# RT9048GSP++**Richtek Tech** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOIC-8++RT9048GSP from Richtek Tech, in a SOIC-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 | NC | unconnected | No internal connection. |+| 2 | EN | input | Enable control input (Active-High). Pulling below 0.4V turns the regulator off, reducing quiescent current to ~1.5μA. Enable threshold typ. 1.08V rising / 1.02V falling at VIN=3.3V. Device is enabled if left open; connect to VIN if not used. |+| 3 | VIN | power_in | Supply voltage input. For full-load regulation, input must be between (VOUT + 0.5V) and 6V. Minimum input voltage is 1.4V. Place a large bulk cap plus at least a 10μF ceramic capacitor directly at this pin. |+| 4 | NC | unconnected | No internal connection. |+| 5 | NC | unconnected | No internal connection. |+| 6 | VOUT | power_out | Regulated output voltage, adjustable from 0.5V up to VIN − VDROP, sourcing up to 2A. Place a minimum 10μF ceramic capacitor directly at this pin for stability. |+| 7 | ADJ | input | Feedback voltage input, VADJ = 0.5V (typ). If tied to VOUT, output is set to 0.5V. Otherwise VOUT = 0.5V × (1 + R1/R2) via an external resistor divider. Very low IADJ (~20nA) permits divider resistors up to 800kΩ. |+| 8 | GND | power_in | Ground pin. |+| 9 | GND | power_in | Exposed thermal pad (bottom of package). Must be soldered to a large PCB ground plane and connected to GND for maximum power dissipation (θJA = 49°C/W on a 4-layer JEDEC board). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Richtek Tech |+| Package | SOIC-8 |+| Category | PMIC |+| Pins | 9 |++## Ordering variants++- `RT9048GSPGSP`++## CAD (KiCad official)++- Symbol: `RT9048GSP`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Richtek Tech datasheet](docs/rt9048gsp-datasheet.pdf) (10 pp, sha256 `30e87f006b6037f4`, 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/rt9048gsp-datasheet.pdf)

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