LP5907 Low-Noise LDO

{
  "schema_version": 1,
  "type": "component",
  "slug": "lp5907",
  "title": "LP5907 Low-Noise LDO",
  "brief": "250 mA ultra-low-noise LDO with high PSRR for RF and analog supplies.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "regulator",
    "ldo",
    "low-noise",
    "high-psrr",
    "rf",
    "ti",
    "sot-23-5"
  ],
  "component": {
    "mpn": "LP5907",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management",
    "subcategory": "Linear Regulator (LDO)",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lp5907.pdf",
    "parts": {
      "symbol": "lp5907.kicad_sym",
      "footprint": "lp5907.kicad_mod",
      "model_3d": "lp5907-etched.glb",
      "model_3d_plain": "lp5907.glb",
      "model_3d_step": "lp5907-etched.step",
      "model_3d_step_plain": "lp5907.step",
      "lbr": "lp5907.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input voltage supply, 2.2V to 5.5V (abs max 6V). Connect a 1µF ceramic capacitor to GND at this pin for stability."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground reference for the device. All voltages are measured with respect to this pin."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input. VIH ≥ 1.2V enables the regulator; VIL ≤ 0.4V disables it and discharges VOUT to GND through an internal 230Ω pulldown. Has an internal 1MΩ pulldown to GND so the regulator defaults off if left floating."
      },
      {
        "number": "4",
        "name": "N/C",
        "type": "unconnected",
        "description": "No internal electrical connection. May be left floating or tied to any potential."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage (fixed factory option, 1.2V to 4.5V in 25mV steps), up to 250mA. Connect a ≥1µF low-ESR ceramic capacitor to GND. An internal 230Ω (typ) pulldown discharges VOUT when the regulator is disabled (VEN low)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lp5907.pdf",
        "pages": 52,
        "sha256": "f5deda2f0cd6f251",
        "source_tier": "mfr"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "lp5907.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lp5907-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "97deca02edc653b7d2e4053792915690e7b82351a35265a12a984fa204428508",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Ultra-low-noise LDO",
      "Output current": "250 mA",
      "Output noise": "6.5 uVrms (10 Hz to 100 kHz)",
      "PSRR": "82 dB at 1 kHz",
      "Dropout voltage": "120 mV at 150 mA",
      "Input voltage": "2.2 V to 5.5 V",
      "Operating temperature": "-40 C to 125 C"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "low-noise LDO",
    "clean supply for RF",
    "analog regulator",
    "high PSRR regulator"
  ],
  "discovery_pitch": "A 250 mA LDO with very low output noise and high PSRR to give RF, PLL, and precision-analog blocks a clean supply.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "lp5907.lbr",
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  "variants": [
    {
      "mpn": "LP5907DBV",
      "kind": "unknown"
    },
    {
      "mpn": "LP5907DQN",
      "kind": "unknown"
    },
    {
      "mpn": "LP5907YKE",
      "kind": "unknown"
    },
    {
      "mpn": "LP5907YKG",
      "kind": "unknown"
    },
    {
      "mpn": "LP5907YKM",
      "kind": "unknown"
    },
    {
      "mpn": "LP5907YCR",
      "kind": "unknown"
    }
  ]
}