CJ6205B25M

@@ -0,0 +1,47 @@+# CJ6205B25M++**Changjing** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5L++CJ6205B25M 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 power input. Operating range 2.0 V to 6.0 V; absolute max VSS-0.3 V to VSS+7 V. Bypass to VSS with 1 uF ceramic close to the pin. |+| 2 | VSS | power_in | Device ground / negative supply return. Common reference for VIN, VOUT and CE. |+| 3 | CE | input | TTL chip-enable input. High enables the regulator (VCE-H min 1.5 V, up to VIN); Low shuts it down (VCE-L max 0.3 V, ISTBY <=0.1 uA). On the 'B' variant an internal pull-down holds the part off if CE is left floating and a COUT discharge resistor pulls VOUT down when disabled. |+| 4 | NC | unconnected | No internal connection. Leave floating or tie to VSS. |+| 5 | VOUT | power_out | Regulated 2.5 V output (accuracy typ. +/-2%, VOUT*0.98 to VOUT*1.02). 500 mA typ output current, 100 mA short-circuit current limit. Requires 1 uF ceramic load cap; typical dropout 150 mV @150 mA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Changjing |+| Package | SOT-23-5L |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `CJ6205B25MM`+- `CJ6205B25MU`+- `CJ6205B25MP`+- `CJ6205B25MF`++## CAD (KiCad official)++- Symbol: `CJ6205B25M`+- 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/cj6205b25m-datasheet.pdf) (13 pp, sha256 `44b90cefa78b2962`, 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/cj6205b25m-datasheet.pdf)

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