TLV1117LV33DCYR

@@ -0,0 +1,44 @@+# TLV1117LV33DCYR++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223++TLV1117LV33DCYR from Texas Instruments, in a SOT-223. 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. Device reference return; connect to system ground. Note that the pinout labels this pin as GND for the fixed-voltage TLV1117LV33 (Figure 1/Pin Configurations shows 'ADJ/GND' as the family label because the LV series also covers adjustable variants; for the fixed 3.3-V DCY device this pin is GND). |+| 2 | OUT | power_out | Regulated 3.3-V output pin. Delivers up to 1 A with 455 mV typical dropout at 1 A. Requires an output capacitor (1.0 µF typical, stable with 0-Ω ESR ceramic). The SOT-223 tab is internally connected to OUT and should be soldered to a copper pour for thermal dissipation. |+| 3 | IN | power_in | Unregulated input voltage pin. Operating range 2.0 V to 5.5 V (absolute maximum 6.0 V). Recommended input decoupling per Input and Output Capacitor Requirements in the Application Information section. |+| Tab | OUT | power_out | SOT-223 thermal tab, internally tied to OUT (pin 2). Solder to a copper plane to reduce θJA (62.9 °C/W on high-K JEDEC board) and to carry output current. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-223 |+| Category | PMIC |+| Pins | 4 |++## Ordering variants++- `TLV1117LV33DCYRDCYR`+- `TLV1117LV33DCYRDCYT`++## CAD (KiCad official)++- Symbol: `TLV1117LV33DCYR`+- Footprint: `Package_TO_SOT_SMD:SOT-223-3_TabPin2`+- 3D model: SOT-223 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/tlv1117lv33dcyr.pdf) (20 pp, sha256 `0f209d00b1708ed0`, retrieved 2026-08-17, tier: manufacturer)+- **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/tlv1117lv33dcyr-datasheet.pdf)

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