cj6101b18m

@@ -0,0 +1,46 @@+# CJ6101B18M++**Changjing** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5L++CJ6101B18M from Changjing, in a SOT-23-5L. 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 | Unregulated positive supply input. Operating range 1.8 V to 8 V (abs-max -0.3 V to +9 V). Bypass with a 1 μF ceramic or tantalum capacitor close to the pin; series 3 Ω recommended with X5R MLCC to damp start-up transients. |+| 2 | VSS | power_in | Device ground / signal return. All voltages in the datasheet are referenced to this pin. Tie directly to the ground plane and to the negative terminal of CIN and COUT. |+| 3 | CE | input | Chip Enable, active-high on the 'B'-designator variant (VCE_H ≥ 1.5 V, VCE_L ≤ 0.3 V). 'B' option integrates a CE pull-down resistor so the pin defaults to disabled if left floating; drive high to enable the regulator. Standby current with CE=VSS is 0.1 μA typ. |+| 4 | NC | unconnected | No internal connection. Leave floating or tie to VSS for best PCB stability; do not use as a routing via. |+| 5 | VOUT | power_out | Regulated output, factory-trimmed to 1.8 V on this MPN (accuracy ±2 % / ±1 % typ.). Delivers up to 300 mA continuous; current limit 550-850 mA (typ 700 mA). Requires a ≥1 μF output capacitor to VSS for loop stability; ceramic COUT improves transient response. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Changjing |+| Package | SOT-23-5L |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `CJ6101B18MM`+- `CJ6101B18MP`+- `CJ6101B18MF`++## CAD (KiCad official)++- Symbol: `CJ6101B18M`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5L (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Changjing datasheet](docs/cj6101b18m-datasheet.pdf) (None pp, sha256 `c34ed0d4586f8401`, 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/cj6101b18m-datasheet.pdf)

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