component
MT3540-F25
Public Made by Adomby adom
Aerosemi DC-DC Converters, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -33,6 +33,20 @@ MT3540-F25 from Aerosemi, in a SOT-23-5. Pinout and pin descriptions extracted f - Footprint: `Package_TO_SOT_SMD:SOT-23-5` - 3D model: SOT-23-5 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`mt3540-f25.step`](mt3540-f25.step) | 85 KB | You want the bare part, or you mark your own boards. |+| [`mt3540-f25-etched.step`](mt3540-f25-etched.step) | 1.8 MB | You want the part with `MT3540-F25` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 452 faces against 102 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": "mt3540-f25",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "Aerosemi DC-DC Converters, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+9−9@@ -4,7 +4,7 @@ "slug": "mt3540-f25", "title": "MT3540-F25", "brief": "Aerosemi DC-DC Converters, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -34,7 +34,7 @@ "number": "1", "name": "SW", "type": "power_out",- "description": "Power switch output. Drain of the internal NMOS power switch (RDS(on) \u2248 0.5\u03a9, 1.5A current limit). Connects to the boost inductor and the anode of the Schottky rectifier; can swing between GND and 28V."+ "description": "Power switch output. Drain of the internal NMOS power switch (RDS(on) ≈ 0.5Ω, 1.5A current limit). Connects to the boost inductor and the anode of the Schottky rectifier; can swing between GND and 28V." }, { "number": "2",@@ -46,19 +46,19 @@ "number": "3", "name": "FB", "type": "input",- "description": "Feedback input to the internal error amplifier. Regulates to VFB = 1.25V (MT3540-F25 variant). Drive with a resistor divider from VOUT: VOUT = 1.25V \u00d7 (1 + R1/R2). Input bias current \u2248 -10nA (typ)."+ "description": "Feedback input to the internal error amplifier. Regulates to VFB = 1.25V (MT3540-F25 variant). Drive with a resistor divider from VOUT: VOUT = 1.25V × (1 + R1/R2). Input bias current ≈ -10nA (typ)." }, { "number": "4", "name": "EN", "type": "input",- "description": "Regulator on/off control. Drive high (VIH \u2265 1.5V) to enable the converter; drive low (VIL \u2264 0.4V) to shut it down (IQ \u2248 0.1\u00b5A). Tie to VIN for always-on / automatic startup. Do not leave floating. Absolute max -0.3V to 6V."+ "description": "Regulator on/off control. Drive high (VIH ≥ 1.5V) to enable the converter; drive low (VIL ≤ 0.4V) to shut it down (IQ ≈ 0.1µA). Tie to VIN for always-on / automatic startup. Do not leave floating. Absolute max -0.3V to 6V." }, { "number": "5", "name": "VIN", "type": "power_in",- "description": "Input supply pin, 2.5V to 5.5V operating range (absolute max 6V). Must be locally bypassed with a low-ESR ceramic capacitor (\u22651\u00b5F, 10\u00b5F typical) placed close to the pin. UVLO \u2248 2.2V with 100mV hysteresis."+ "description": "Input supply pin, 2.5V to 5.5V operating range (absolute max 6V). Must be locally bypassed with a low-ESR ceramic capacitor (≥1µF, 10µF typical) placed close to the pin. UVLO ≈ 2.2V with 100mV hysteresis." } ], "provenance": {@@ -132,9 +132,9 @@ "docs/hero.png", "docs/mt3540-f25-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ],- "visibility": {- "public": true- }+ "visibility": "public",+ "description": "Aerosemi DC-DC Converters, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D." }