79D05

@@ -0,0 +1,39 @@+# 79D05++**Foshan Blue Rocket Elec** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-252++79D05 from Foshan Blue Rocket Elec, in a TO-252. 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 | GND | power_in | Ground reference pin. Common return for the negative regulator; carries the sum of load and quiescent (bias) currents (Id typ. 8mA max). |+| 2 | IN | power_in | Negative unregulated input voltage (VIN). Operating input range approximately -7V to -25V; absolute maximum input-to-output differential -35V. Requires a 0.33uF input decoupling capacitor to GND. |+| 3 | OUT | power_out | Regulated -5V output (typ. -5.0V, -4.8V to -5.2V at Tj=25C). Delivers up to 1.0A load current with dropout ~1.4V at 1A. Requires a 0.1uF output capacitor to GND for stability. |+| 4 | TAB | power_in | Exposed thermal tab on the back of the TO-252 package, electrically connected to GND (pin 1). Provides the primary heat-sink path; RthetaJC = 5 C/W, RthetaJA = 65 C/W. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Foshan Blue Rocket Elec |+| Package | TO-252 |+| Category | PMIC |+| Pins | 4 |++## CAD (KiCad official)++- Symbol: `79D05`+- Footprint: `Package_TO_SOT_SMD:TO-252-2`+- 3D model: TO-252 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Foshan Blue Rocket Elec datasheet](docs/79d05-datasheet.pdf) (6 pp, sha256 `710806ef2011ac1d`, 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/79d05-datasheet.pdf)

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