component
LD3985M33R
Public Made by Adomby adom
STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.md+14@@ -37,6 +37,20 @@ LD3985M33R from STMicroelectronics, in a SOT-23-5L. Pinout and pin descriptions - Footprint: `Package_TO_SOT_SMD:SOT-23-5` - 3D model: SOT-23-5L (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`ld3985m33r.step`](ld3985m33r.step) | 85 KB | You want the bare part, or you mark your own boards. |+| [`ld3985m33r-etched.step`](ld3985m33r-etched.step) | 2.4 MB | You want the part with `LD3985M33R` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 557 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": "ld3985m33r",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5L. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+9−9@@ -4,7 +4,7 @@ "slug": "ld3985m33r", "title": "LD3985M33R", "brief": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5L. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -36,7 +36,7 @@ "number": "1", "name": "VI", "type": "power_in",- "description": "Input voltage of the LDO. Operating range 2.5 V to 6 V (absolute max -0.3 to 6 V; withstands 6.5 V non-repetitive spike for 200 ms). Decouple with 1 \u00b5F ceramic capacitor to GND."+ "description": "Input voltage of the LDO. Operating range 2.5 V to 6 V (absolute max -0.3 to 6 V; withstands 6.5 V non-repetitive spike for 200 ms). Decouple with 1 µF ceramic capacitor to GND." }, { "number": "2",@@ -48,19 +48,19 @@ "number": "3", "name": "VINH", "type": "input",- "description": "Inhibit (enable) input. ON mode when VINH >= 1.2 V, OFF mode when VINH <= 0.4 V. Absolute max -0.3 V to VI+0.3 V. Input leakage \u00b11 nA typ. Must not be left floating (no internal pull-up/pull-down)."+ "description": "Inhibit (enable) input. ON mode when VINH >= 1.2 V, OFF mode when VINH <= 0.4 V. Absolute max -0.3 V to VI+0.3 V. Input leakage ±1 nA typ. Must not be left floating (no internal pull-up/pull-down)." }, { "number": "4", "name": "BYPASS", "type": "passive",- "description": "Reference bypass pin. Connect an external capacitor (typically 10 nF) to GND to filter internal reference noise and minimize output noise voltage (30 \u00b5VRMS over 10 Hz-100 kHz)."+ "description": "Reference bypass pin. Connect an external capacitor (typically 10 nF) to GND to filter internal reference noise and minimize output noise voltage (30 µVRMS over 10 Hz-100 kHz)." }, { "number": "5", "name": "VO", "type": "power_out",- "description": "Regulated output voltage of the LDO (3.3 V nominal for the M33 option). Delivers up to 150 mA guaranteed (300 mA min peak, 550 mA typ). Requires a low-ESR ceramic output capacitor (Co >= 1 \u00b5F, ESR 5 m\u03a9-5 \u03a9)."+ "description": "Regulated output voltage of the LDO (3.3 V nominal for the M33 option). Delivers up to 150 mA guaranteed (300 mA min peak, 550 mA typ). Requires a low-ESR ceramic output capacitor (Co >= 1 µF, ESR 5 mΩ-5 Ω)." } ], "provenance": {@@ -134,9 +134,9 @@ "docs/hero.png", "docs/ld3985m33r-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ],- "visibility": {- "public": true- }+ "visibility": "public",+ "description": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5L. Datasheet-verified pinout, KiCad symbol/footprint/3D." }