component
U3018F
Public Made by Adomby adom
UNI SEMIC DC-DC Converters, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -36,6 +36,20 @@ U3018F from UNI SEMIC, in a SOP-8. Pinout and pin descriptions extracted from th - Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm` - 3D model: SOP-8 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`u3018f.step`](u3018f.step) | 122 KB | You want the bare part, or you mark your own boards. |+| [`u3018f-etched.step`](u3018f-etched.step) | 1.7 MB | You want the part with `U3018F` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 411 faces against 147 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": "u3018f",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "UNI SEMIC DC-DC Converters, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+8−8@@ -4,7 +4,7 @@ "slug": "u3018f", "title": "U3018F", "brief": "UNI SEMIC DC-DC Converters, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -40,13 +40,13 @@ "number": "2", "name": "FB", "type": "input",- "description": "Voltage feedback input pin. When left floating, the chip defaults to a 14.3V output; for adjustable output, connect a resistor divider from the output to this pin (internal reference V_FB_REF \u2248 2.0V)."+ "description": "Voltage feedback input pin. When left floating, the chip defaults to a 14.3V output; for adjustable output, connect a resistor divider from the output to this pin (internal reference V_FB_REF ≈ 2.0V)." }, { "number": "3", "name": "Drain", "type": "passive",- "description": "Drain of the internal high-voltage power MOSFET (V_BR \u2248 190V, R_dson \u2248 1.15\u03a9). Also used for high-voltage startup current sensing (I_HV \u2248 1-4mA at HV=150V). Absolute maximum drain voltage: -0.3 to 190V."+ "description": "Drain of the internal high-voltage power MOSFET (V_BR ≈ 190V, R_dson ≈ 1.15Ω). Also used for high-voltage startup current sensing (I_HV ≈ 1-4mA at HV=150V). Absolute maximum drain voltage: -0.3 to 190V." }, { "number": "4",@@ -64,7 +64,7 @@ "number": "6", "name": "VDD", "type": "power_in",- "description": "Chip supply pin, also serves as an output voltage feedback terminal. A 0.1\u00b5F ceramic decoupling capacitor is recommended. V_DD_OVP \u2248 24V, V_DD_Clamp \u2248 26V @ 10mA, absolute max 30V. Startup current I_VDD_st \u2248 100\u00b5A, operating current I_VDD_Op \u2248 800\u00b5A @ 60kHz."+ "description": "Chip supply pin, also serves as an output voltage feedback terminal. A 0.1µF ceramic decoupling capacitor is recommended. V_DD_OVP ≈ 24V, V_DD_Clamp ≈ 26V @ 10mA, absolute max 30V. Startup current I_VDD_st ≈ 100µA, operating current I_VDD_Op ≈ 800µA @ 60kHz." }, { "number": "7",@@ -150,9 +150,9 @@ "docs/hero.png", "docs/u3018f-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ],- "visibility": {- "public": true- }+ "visibility": "public",+ "description": "UNI SEMIC DC-DC Converters, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D." }