bl8568gcb5atr18

@@ -0,0 +1,48 @@+# BL8568GCB5ATR18++**BL Shanghai Belling** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++BL8568GCB5ATR18 from BL Shanghai Belling, in a SOT-23-5. 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 | Vin | power_in | Supply voltage input. Operating range 2.0 V to 6.0 V (absolute max 8 V). A 1 uF input capacitor to Vss is recommended. |+| 2 | Vss | power_in | Device ground / negative supply reference. Common return for Vin, Vout, and CE. |+| 3 | CE | input | Chip Enable input. VCEH ≥ 1.0 V (up to Vin) enables the regulator; VCEL ≤ 0.5 V disables it (shutdown mode, Istandby ≈ 0.1 uA). Internal ~500 kΩ pull-down to Vss; when CE is low the output is actively discharged through an internal ~1.5 kΩ resistor. |+| 4 | NC | unconnected | No internal connection. Leave floating or tie to Vss for best mechanical/thermal reliability. |+| 5 | Vout | power_out | Regulated voltage output (1.8 V for the '18' suffix). Delivers up to 300 mA typ. (500 mA current-limit). A 1 uF output capacitor to Vss is recommended for stability; dropout ≈ 65 mV @ 100 mA typ. (Vout ≥ 2.8 V). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | BL Shanghai Belling |+| Package | SOT-23-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `BL8568GCB5ATR18`+- `BL8568GCB5ATR18CA5TR`+- `BL8568GCB5ATR18CB3TR`+- `BL8568GCB5ATR18CKETR`+- `BL8568GCB5ATR18CKFTR`++## CAD (KiCad official)++- Symbol: `BL8568GCB5ATR18`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [BL Shanghai Belling datasheet](docs/bl8568gcb5atr18-datasheet.pdf) (None pp, sha256 `aeeddba0cf48f8bc`, 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/bl8568gcb5atr18-datasheet.pdf)

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