component
LD1117-ADJ
Public Made by Adomby adom
UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-4. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.md+14@@ -33,6 +33,20 @@ LD1117-ADJ from UMW, in a SOT-223-4. Pinout and pin descriptions extracted from - Footprint: `Package_TO_SOT_SMD:SOT-223` - 3D model: SOT-223-4 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`ld1117-adj.step`](ld1117-adj.step) | 64 KB | You want the bare part, or you mark your own boards. |+| [`ld1117-adj-etched.step`](ld1117-adj-etched.step) | 1.1 MB | You want the part with `LD1117-ADJ` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 306 faces against 75 in the bare model. It+survives export, section views, and rendering in any CAD tool, and it drops straight+into KiCad or Fusion with no extra setup.+ ## Provenance Data extracted from the manufacturer datasheet, not a distributor listing:
package.json+1−1@@ -1,6 +1,6 @@ { "slug": "ld1117-adj",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-4. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+9−6@@ -4,7 +4,7 @@ "slug": "ld1117-adj", "title": "LD1117-ADJ", "brief": "UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-4. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -34,19 +34,19 @@ "number": "1", "name": "ADJ", "type": "input",- "description": "Adjust pin. Connect to the tap of an external R1/R2 divider from VOUT to GND to set the output voltage. Internal reference is 1.250V (typ, 1.231-1.269V); adjust pin current is 60\u00b5A typ (120\u00b5A max)."+ "description": "Adjust pin. Connect to the tap of an external R1/R2 divider from VOUT to GND to set the output voltage. Internal reference is 1.250V (typ, 1.231-1.269V); adjust pin current is 60µA typ (120µA max)." }, { "number": "2", "name": "VOUT", "type": "power_out",- "description": "Regulated output. Delivers up to 1A. Requires a >=22\u00b5F tantalum output capacitor for stability. Output tab (metal pad) on SOT-223 is electrically connected to VOUT."+ "description": "Regulated output. Delivers up to 1A. Requires a >=22µF tantalum output capacitor for stability. Output tab (metal pad) on SOT-223 is electrically connected to VOUT." }, { "number": "3", "name": "VIN", "type": "power_in",- "description": "Unregulated input supply. Absolute max 18V; recommended operating input 12V max. Requires >=10\u00b5F input capacitor. VIN must be at least VOUT + Vdropout (typ 1.2V at 1A)."+ "description": "Unregulated input supply. Absolute max 18V; recommended operating input 12V max. Requires >=10µF input capacitor. VIN must be at least VOUT + Vdropout (typ 1.2V at 1A)." } ], "provenance": {@@ -120,6 +120,9 @@ "docs/hero.png", "docs/ld1117-adj-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"- ]+ "viewers/footprint.html",+ "pads.json"+ ],+ "description": "UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-4. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "visibility": "public" }