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LM1117MPX-25NOPB
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onsemi Linear Voltage Regulators (LDO), SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.md+66docs/hero.pngdocs/lm1117mpx-25nopb-datasheet.pdf+4101lm1117mpx-25nopb-etched.glblm1117mpx-25nopb-hero.glblm1117mpx-25nopb-hero.overlay.json+163lm1117mpx-25nopb.glblm1117mpx-25nopb.kicad_mod+217lm1117mpx-25nopb.kicad_sym+25lm1117mpx-25nopb.lbr+124lm1117mpx-25nopb.step+1581package.json+165page.json+171viewers/footprint.html+1viewers/symbol.html+1README.mdadded+66@@ -0,0 +1,66 @@+# LM1117MPX-25NOPB++**onsemi** · Linear Voltage Regulators (LDO) · SOT-223++LM1117MPX-25NOPB from onsemi, in a SOT-223. 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 | Adjust/Ground | power_in | On this fixed 2.5 V part pin 1 is the ground terminal, and the datasheet states the fixed-output ground current ranges from 3.0 mA to 5.0 mA depending on output voltage. |+| 2 | Output | power_out | Regulated 2.5 V output rated for up to 800 mA load current, with the heatsink tab electrically connected to this pin and output current limit of 1000 mA to 2200 mA. |+| 3 | Input | power_in | Unregulated supply input with a maximum input voltage of 20 V, and the 2.5 V version is specified for regulation with Vin from 3.9 V to 10 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi |+| Package | SOT-223 |+| Category | Power Management ICs |+| Pins | 3 |++## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| Output Voltage, 2.5 V (25°C) | Vout | 2.475 | 2.5 | 2.525 | V | Vin = 4.5 V, Iout = 10 mA, TA = 25 °C | 3 |+| Output Voltage, 2.5 V (full range) | Vout | 2.45 | | 2.55 | V | Vin = 3.9 V to 10 V, Iout = 0 mA to 800 mA, TA = 0°C to 125°C | 3 |+| Line Regulation, 2.5 V | Regline | | 0.5 | 2.5 | mV | Vin = 3.9 V to 10 V, Iout = 0 mA | 3 |+| Load Regulation, 2.5 V | Regload | | 3.3 | 7.5 | mV | Iout = 0 mA to 800 mA, Vin = 3.9 V | 3 |+| Dropout Voltage | Vin−Vout | | 0.95 | 1.1 | V | Iout = 100 mA, measured at Vout − 100 mV | 3 |+| Dropout Voltage | Vin−Vout | | 1.01 | 1.15 | V | Iout = 500 mA, measured at Vout − 100 mV | 3 |+| Dropout Voltage | Vin−Vout | | 1.07 | 1.2 | V | Iout = 800 mA, measured at Vout − 100 mV | 3 |+| Output Current Limit | Iout | 1000 | 1500 | 2200 | mA | Vin−Vout = 5.0 V, TA = 25°C | 3 |+| Quiescent Current, 2.5 V | IQ | | 5.2 | 10 | mA | Vin = 10 V | 3 |+| Thermal Regulation | | | 0.01 | 0.1 | %/W | TA = 25°C, 30 ms Pulse | 3 |+| Ripple Rejection, 2.5 V | RR | 62 | 68 | | dB | Vin−Vout = 6.4 V, Iout = 500 mA, 10 Vpp 120 Hz Sinewave | 3 |+| Temperature Stability | ST | | 0.5 | | % | | 3 |+| Long Term Stability | St | | 0.3 | | % | TA = 25°C, 1000 Hrs End Point Measurement | 3 |+| RMS Output Noise | N | | 0.003 | | %Vout | f = 10 Hz to 10 kHz | 3 |+| Input Voltage | Vin | | | 20 | V | | 2 |+| Maximum Die Junction Temperature Range | TJ | -55 | | 150 | °C | | 2 |+| Storage Temperature Range | Tstg | -65 | | 150 | °C | | 2 |+| Operating Ambient Temperature Range, LM1117 | TA | 0 | | 125 | °C | | 2 |+| Thermal Resistance, Junction-to-Ambient | RθJA | | 160 | | °C/W | Minimum Size Pad, SOT-223 | 2 |+| Thermal Resistance, Junction-to-Case | RθJC | | 15 | | °C/W | SOT-223 | 2 |++## CAD (KiCad official)++- Symbol: `LM1117MPX-25NOPB`+- Footprint: `Package_TO_SOT_SMD:SOT-223-3_TabPin2`+- 3D model: SOT-223 (KiCad packages3D, STEP)+- 3D model files: `lm1117mpx-25nopb-etched.step` / `lm1117mpx-25nopb-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm1117mpx-25nopb.step` / `lm1117mpx-25nopb.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/lm1117mpx-25nopb-d.pdf) (13 pp, sha256 `d4a212fd6b43e65e`, retrieved 2026-11-02, tier: manufacturer)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-opus-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/lm1117mpx-25nopb-datasheet.pdf)
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1.2 V at 800 mA of load current. The LM1117 is available in an
adjustable version, which can set the output voltage from 1.25 to
13.8 V with only two external resistors.</rdf:li>+ </rdf:Alt>+ </dc:description>+ <pdf:Producer>Acrobat Distiller 21.0 (Windows)</pdf:Producer>+ <pdf:Keywords/>+ <xmpMM:DocumentID>uuid:a58599c7-efe5-465f-bdc5-e1a62d352c80</xmpMM:DocumentID>+ <xmpMM:InstanceID>uuid:9a462458-5bd2-49e7-81f6-584174146004</xmpMM:InstanceID>+ </rdf:Description>+ </rdf:RDF>+</x:xmpmeta>+ + + + + + + + + + + + + + + + + + + + + +<?xpacket end="w"?> +endstream+endobj+5 0 obj+<<+/Nums [11 21 0 R 12 22 0 R]+>>+endobj+7 0 obj+<<+/Annots [23 0 R 24 0 R 25 0 R]+/Contents [26 0 R 27 0 R 28 0 R 29 0 R 30 0 R 31 0 R 32 0 R 33 0 R]+/CropBox [0.0 0.0 612.0 792.0]+/MediaBox [0.0 0.0 612.0 792.0]+/Parent 2 0 R+/Resources 34 0 R+/Rotate 0+/Type /Page+>>+endobj+8 0 obj+<<+/Annots [35 0 R 36 0 R 37 0 R 38 0 R 39 0 R]+/Contents 40 0 R+/CropBox [0.0 0.0 612.0 792.0]+/MediaBox [0.0 0.0 612.0 792.0]+/Parent 2 0 R+/Resources 41 0 R+/Rotate 0+/Type /Page+>>+endobj+9 0 obj+<<+/Annots [42 0 R 43 0 R 44 0 R 45 0 R 46 0 R 47 0 R 48 0 R 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