component
CJ7805
Public Made by Adomby adom
Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+38@@ -0,0 +1,38 @@+# CJ7805++**Changjing** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-220++CJ7805 from Changjing, in a TO-220. 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 | IN | power_in | Unregulated positive input voltage. Absolute maximum 35V; recommended 7V-25V for a regulated 5V output. Decouple with a 0.33 uF ceramic input capacitor (Ci) close to the pin. |+| 2 | GND | power_in | Common ground reference for both input and output. Tied to the TO-220-3L tab (thermal pad) in this package. |+| 3 | OUT | power_out | Regulated +5V output, 4.75V-5.25V over 0-125 C. Delivers up to 1.5A continuous (peak 2.2A) with internal short-circuit current limit of ~230 mA into a hard short. Decouple with a 0.1 uF ceramic output capacitor (Co). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Changjing |+| Package | TO-220 |+| Category | PMIC |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `CJ7805`+- Footprint: `Package_TO_SOT_THT:TO-220-3_Vertical`+- 3D model: TO-220 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Changjing datasheet](docs/cj7805-datasheet.pdf) (3 pp, sha256 `c68a5285deb97b2b`, 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/cj7805-datasheet.pdf)
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