component
LR8203A-T28
Public Made by Adomby adom
LR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163
{
"slug": "lr8203a-t28",
"version": "0.1.0",
"type": "component",
"description": "LR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"power management (pmic)",
"lr8203a-t28",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"lr8203a-t28.kicad_sym",
"lr8203a-t28.kicad_mod",
"lr8203a-t28.glb",
"lr8203a-t28.step",
"lr8203a-t28.lbr",
"docs/hero.png",
"docs/lr8203a-t28-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lr8203a-t28-hero.glb",
"lr8203a-t28-hero.overlay.json",
"lr8203a-t28-etched.glb"
],
"component": {
"mpn": "LR8203A-T28",
"manufacturer": "LR",
"package": "SOT-23-3L",
"pin_count": 3,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590899995694342144",
"parts": {
"symbol": "lr8203a-t28.kicad_sym",
"footprint": "lr8203a-t28.kicad_mod",
"model_3d": "lr8203a-t28-hero.glb",
"model_3d_plain": "lr8203a-t28-etched.glb",
"model_3d_step": "lr8203a-t28-etched.step",
"model_3d_step_plain": "lr8203a-t28.step",
"lbr": "lr8203a-t28.lbr"
},
"distributor_links": {
"lcsc": "C5220839"
},
"distributor_check": {
"checked_at": "2026-10-17T15:57:13Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the regulator; all voltages are specified relative to GND, and a large ground copper area is recommended for noise immunity and heat dissipation."
},
{
"number": "2",
"name": "VOUT",
"type": "power_out",
"description": "Regulated 2.8V output (±2%) for LR8203A-T28, delivering 300mA typical, with short-circuit current clamped to 25mA typical and an output capacitor of at least 1uF required."
},
{
"number": "3",
"name": "VIN",
"type": "power_in",
"description": "Supply input with 6.5V operating input voltage maximum (9V absolute maximum), requiring a ceramic bypass capacitor of at least 1uF placed close to the pin."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The pin drawing is labeled SOT23B (top view) while the ordering table and package drawing call it SO; The block diagram shows a CE (enable) pin, but the 3-pin package pinout has no CE pin, so CE is not ",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 11,
"cost_usd": 0.2265,
"at": "2026-10-17T15:54:40"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590899995694342144",
"pages": 11,
"sha256": "8b1b776f9ac601ed",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 3,
"described": 3,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "lr8203a-t28.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.5,
3.0,
1.2
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lr8203a-t28-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.5,
3.0,
1.2
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "e12b4e1cdeecc8a3ba32739379b4d25812799b94cfaaa79223a5bb5fcc937c13",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}