UA78M09CKVURG3

@@ -0,0 +1,47 @@+# UA78M09CKVURG3++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-252-3++UA78M09CKVURG3 from Texas Instruments, in a TO-252-3. 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 | INPUT | power_in | Unregulated supply input. Recommended input voltage range for the UA78M09 is 11.5 V to 26 V (absolute maximum 35 V). A 0.33 uF ceramic capacitor should be placed close to this pin for input decoupling. |+| 2 | COMMON | power_in | Common / ground reference terminal. Electrically bonded to the tab of the TO-252 (KVU) package, so the mounting pad conducts both ground and heat. Return path for the load current. |+| 3 | OUTPUT | power_out | Regulated 9-V output (typ 9.0 V, min 8.6 V, max 9.4 V at 25 degC). Sources up to 500 mA continuous with internal short-circuit current limiting (~250 mA short-circuit) and safe-area compensation. A 0.1 uF ceramic capacitor is recommended close to this pin for stability. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TO-252-3 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `UA78M09CKVURG3KVURG3`+- `UA78M09CKVURG3KVU`+- `UA78M09CKVURG3KC`+- `UA78M09CKVURG3KCS`+- `UA78M09CKVURG3KTP`+- `UA78M09CKVURG3DCY`++## CAD (KiCad official)++- Symbol: `UA78M09CKVURG3`+- Footprint: `Package_TO_SOT_SMD:TO-252-2`+- 3D model: TO-252-3 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](docs/ua78m09ckvurg3-datasheet.pdf) (29 pp, sha256 `7e43ff2bfe981b4d`, 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/ua78m09ckvurg3-datasheet.pdf)

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