TLV1117LV28DCYR

@@ -0,0 +1,44 @@+# TLV1117LV28DCYR++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223-4++TLV1117LV28DCYR from Texas Instruments, in a SOT-223-4. 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 pin. Common return for the regulator; connect directly to the system ground plane. |+| 2 | OUT | power_out | Regulated 2.8V output pin. Requires a 1 µF (min) ceramic output capacitor for stability; delivers up to 1A of load current with typical dropout of 455 mV at 1A (Vout ≥ 3.3V) / 570 mV at 1A (Vout < 3.3V). |+| 3 | IN | power_in | Unregulated input pin. Operates from 2V to 5.5V (absolute max 6V). Bypass with a 1 µF ceramic capacitor close to the pin. |+| Tab | OUT | power_out | SOT-223 heat-slug tab, electrically connected to the OUT pin. Solder to a copper pour for thermal dissipation (θJA = 62.9 °C/W). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-223-4 |+| Category | PMIC |+| Pins | 4 |++## Ordering variants++- `TLV1117LV28DCYRDCYR`++## CAD (KiCad official)++- Symbol: `TLV1117LV28DCYR`+- Footprint: `Package_TO_SOT_SMD:SOT-223-3_TabPin2`+- 3D model: SOT-223-4 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](docs/tlv1117lv28dcyr-datasheet.pdf) (25 pp, sha256 `0f459b8f652927f7`, retrieved 2026-08-17, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **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/tlv1117lv28dcyr-datasheet.pdf)

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