SSP7903P30JR

{
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  "type": "component",
  "slug": "ssp7903p30jr",
  "title": "SSP7903P30JR",
  "brief": "Shanghai Siproin Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "SSP7903P30JR",
    "manufacturer": "Shanghai Siproin Microelectronics",
    "package": "TO-252",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2310261649_Shanghai-Siproin-Microelectronics-SSP7903P30JR_C5199834.pdf",
    "parts": {
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      "lbr": "ssp7903p30jr.lbr"
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    "distributor_links": {
      "lcsc": "C5199834"
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    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated positive supply input. Absolute maximum 40 V (min -0.3 V); minimum operating input 2.2 V. Bypass to GND with a 10 µF (typ. 2.2 µF-4.7 µF) capacitor placed close to the pin."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the regulator. In the TO-252 package this pin is electrically tied to the exposed heat-slug tab; use a single-point ground return to keep load-regulation error low. Quiescent current 1.6 µA typ."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated positive output. Fixed voltage set by ordering suffix ①② (3.0 V for the -30 variant); tolerance ±2%, dropout 20 mV @ 10 mA (1000 mV @ 1 A), max continuous output current 1 A, current-limit typ. 1.8 A, short-circuit current typ. 120 mA. Requires a 10 µF (typ. 2.2 µF-4.7 µF) output capacitor."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2310261649_Shanghai-Siproin-Microelectronics-SSP7903P30JR_C5199834.pdf",
        "pages": 11,
        "sha256": "d1763cb71baebbea",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -5.04,
        -2.28
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TO-252-2@sha256:18c28e5e147d5e9b",
      "mark": "drawn"
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          6.5,
          2.32
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "8b7b41c09a9287cafd71b2d7a8d8f4ceeebffb5f44bec51fa779ff4fd0cc2bd1",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Siproin Microelectronics",
      "Package": "TO-252",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
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  "discovery_pitch": "SSP7903P30JR (Shanghai Siproin Microelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
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  "visibility": {
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  "variants": [
    {
      "mpn": "SSP7903P30JRJ",
      "kind": "packaging"
    },
    {
      "mpn": "SSP7903P30JRP",
      "kind": "packaging"
    },
    {
      "mpn": "SSP7903P30JRPB",
      "kind": "packaging"
    },
    {
      "mpn": "SSP7903P30JRF",
      "kind": "packaging"
    },
    {
      "mpn": "SSP7903P30JRFB",
      "kind": "packaging"
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  ],
  "updated_at": "2026-09-25T08:19:43.658Z"
}