component
LDLN025PU12R
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STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, DFN-4(1x1). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+41@@ -0,0 +1,41 @@+# LDLN025PU12R++**STMicroelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · DFN-4(1x1)++LDLN025PU12R from STMicroelectronics, in a DFN-4(1x1). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VOUT | output | LDO output voltage supporting up to 250mA output current; accuracy ±2% for VOUT≥1.8V or ±4% for VOUT<1.8V. |+| 2 | GND | power_in | Ground. |+| 3 | EN | input | Enable input with 1MΩ internal pull-down; set high (≥1.2V) to enable or low (≤0.4V) to disable the device. |+| 4 | VIN | power_in | Supply voltage input with operating range 1.5V to 5.5V. |+| 5 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | DFN-4(1x1) |+| Category | Power Management (PMIC) |+| Pins | 5 |++## CAD (KiCad official)++- Symbol: `LDLN025PU12R`+- Footprint: `Package_DFN_QFN:UDFN-4-1EP_1x1mm_P0.65mm_EP0.48x0.48mm`+- 3D model: DFN-4(1x1) (KiCad packages3D, STEP)+- 3D model files: `ldln025pu12r-etched.step` / `ldln025pu12r-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ldln025pu12r.step` / `ldln025pu12r.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590405555727863808) (27 pp, sha256 `b71eeee4c541f04a`, retrieved 2026-10-06, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/ldln025pu12r-datasheet.pdf)
page.jsonadded+143@@ -0,0 +1,143 @@+{+ "slug": "ldln025pu12r",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, DFN-4(1x1). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "ldln025pu12r",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ldln025pu12r.kicad_sym",+ "ldln025pu12r.kicad_mod",+ "ldln025pu12r.glb",+ "ldln025pu12r.step",+ "ldln025pu12r.lbr",+ "docs/hero.png",+ "docs/ldln025pu12r-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "ldln025pu12r-hero.glb",+ "ldln025pu12r-hero.overlay.json"+ ],+ "component": {+ "mpn": "LDLN025PU12R",+ "manufacturer": "STMicroelectronics",+ "package": "DFN-4(1x1)",+ "pin_count": 5,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590405555727863808",+ "parts": {+ "symbol": "ldln025pu12r.kicad_sym",+ "footprint": "ldln025pu12r.kicad_mod",+ "model_3d": "ldln025pu12r-hero.glb",+ "model_3d_plain": "ldln025pu12r.glb",+ "model_3d_step": "ldln025pu12r-etched.step",+ "model_3d_step_plain": "ldln025pu12r.step",+ "lbr": "ldln025pu12r.lbr"+ },+ "distributor_links": {+ "lcsc": 3745767,+ "digikey": "497-17646-2-ND",+ "mouser": "511-LDLN025PU12R"+ },+ "distributor_check": {+ "checked_at": "2026-10-06T04:41:06Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-17646-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "511-LDLN025PU12R",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VOUT",+ "type": "output",+ "description": "LDO output voltage supporting up to 250mA output current; accuracy ±2% for VOUT≥1.8V or ±4% for VOUT<1.8V."+ },+ {+ "number": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Ground."+ },+ {+ "number": "3",+ "name": "EN",+ "type": "input",+ "description": "Enable input with 1MΩ internal pull-down; set high (≥1.2V) to enable or low (≤0.4V) to disable the device."+ },+ {+ "number": "4",+ "name": "VIN",+ "type": "power_in",+ "description": "Supply voltage input with operating range 1.5V to 5.5V."+ },+ {+ "number": "5",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: DFN4-1x1 package includes an exposed pad (center pad) that must be connected to GND according to Tab",+ "exposed pad 5 added from the footprint"+ ],+ "pages_sent": 27,+ "cost_usd": 0.1205,+ "at": "2026-10-06T04:40:53"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590405555727863808",+ "pages": 27,+ "sha256": "b71eeee4c541f04a",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 5,+ "described": 5,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}