component
LP3855EMP-ADJ
Public Made by Adomby adom
Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"type": "component",
"slug": "lp3855emp-adj",
"title": "LP3855EMP-ADJ",
"brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"manufacturer": "Texas Instruments",
"package": "SOT-223-5",
"pin_count": 5,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
"datasheet": "https://www.ti.com/cn/lit/gpn/lp3855-adj",
"parts": {
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"lbr": "lp3855emp-adj.lbr"
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"lcsc": "C2867452",
"digikey": "LP3855EMP-ADJTR-ND",
"mouser": "926-LP3855EMP-ADJ"
},
"distributor_check": {
"checked_at": "2026-10-08T16:45:38Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "LP3855EMP-ADJTR-ND",
"status": "found",
"lifecycle": "Obsolete"
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"pn": "926-LP3855EMP-ADJ",
"status": "found",
"lifecycle": "Obsolete"
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},
"pins": [
{
"number": "1",
"name": "SD",
"type": "input",
"description": "Shutdown input: a CMOS logic low turns the regulator off, the pin must be tied to VIN if unused, and its operating voltage range is -0.3V to 7.0V."
},
{
"number": "2",
"name": "VIN",
"type": "power_in",
"description": "Input supply with an operating range of 2.5V to 7.0V; the minimum VIN is the greater of VOUT(NOM) + VDROPOUT or 2.5V, and a input capacitor of at least 10µF is required."
},
{
"number": "3",
"name": "VOUT",
"type": "power_out",
"description": "Regulated output with a survival range of -0.3V to +6.0V, which requires an output capacitor of at least 10µF connected directly to the output and ground pins for loop stability."
},
{
"number": "4",
"name": "ADJ",
"type": "input",
"description": "Output voltage set pin, referenced to a typical 1.216V, with VOUT = 1.216 x (1 + R1/R2) and a typical input bias current of about 10 nA."
},
{
"number": "5",
"name": "GND",
"type": "power_in",
"description": "Ground pin, to be connected to the external circuit ground as a single point ground with the input and output capacitor returns."
}
],
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"extractor": "extract_pins 0.3",
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"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
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"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pinout taken from Table 2 (PIN DESCRIPTIONS for SOT-223-5 Package) on page 2. The SOT-223 pin-1 orie; SOT-223 pin order differs from the TO-220-5 and DDPAK/TO-263-5 order (GND is pin 3 there, VOUT pin 4; The datasheet gives no per-pin electrical limits beyond the absolute maximum and recommended operati"
],
"pages_sent": 23,
"cost_usd": 0.0914,
"at": "2026-10-08T16:45:19"
},
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"url": "https://www.ti.com/cn/lit/gpn/lp3855-adj",
"pages": 23,
"sha256": "d1610e06156c9fbe",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
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"described": 5,
"cites_pages": true,
"refuses_to_fabricate": true
}
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"units": "mm",
"origin": "footprint origin = pad-pattern centre",
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"footprint_binding": "identity",
"sha256": "303a588e063ee450c42bc37d35c4f987245ba1c702bba0751cfa05d7e5908d79",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SOT-223-5",
"Category": "Power Management (PMIC)",
"Pins": "5"
}
},
"variants": [],
"sections": [
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"discovery_pitch": "LP3855EMP-ADJ (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
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