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CJ78L15
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Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+38@@ -0,0 +1,38 @@+# CJ78L15++**Changjing** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3++CJ78L15 from Changjing, in a SOT-89-3. 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 | OUT | power_out | Regulated positive voltage output. Nominal 15 V (14.4-15.6 V at 25 degC), up to 100 mA. A 0.1 uF output bypass capacitor is recommended close to the pin for stability and transient response. |+| 2 | GND | power_in | Common ground reference for input and output. Quiescent current (typ 4.6 mA) flows out this pin. |+| 3 | IN | power_in | Unregulated positive input supply. Absolute maximum 35 V; typical operation 17.5-30 V for 15 V output regulation. A 0.33 uF input bypass capacitor is recommended close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Changjing |+| Package | SOT-89-3 |+| Category | PMIC |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `CJ78L15`+- Footprint: `Package_TO_SOT_SMD:SOT-89-3`+- 3D model: SOT-89-3 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Changjing datasheet](docs/cj78l15-datasheet.pdf) (2 pp, sha256 `fa0b1337abf41288`, 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/cj78l15-datasheet.pdf)
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