GM1203AACPZ-1-R7

{
  "schema_version": 1,
  "type": "component",
  "slug": "gm1203aacpz-1-r7",
  "title": "GM1203AACPZ-1-R7",
  "brief": "GONGMOSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, QFN-20-EP(3.5x3.5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management (pmic)",
    "gm1203aacpz-1-r7",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "GM1203AACPZ-1-R7",
    "manufacturer": "GONGMOSEMI",
    "package": "QFN-20-EP(3.5x3.5)",
    "pin_count": 21,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8773985901280415744",
    "parts": {
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      "lbr": "gm1203aacpz-1-r7.lbr"
    },
    "distributor_links": {
      "lcsc": "C5288775"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T23:59:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output pin; a ceramic capacitor of 47 µF or greater from this pin to GND, placed as close to the pin as possible, is required for stability."
      },
      {
        "number": "2",
        "name": "SNS",
        "type": "passive",
        "description": "Output sense pin connected to the output through an internal R0 resistor; connect it to the load side of the output only when the VOUT programming function is used, otherwise leave it floating."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin to the error amplifier; a 10 nF feed-forward capacitor from FB to OUT, placed as close to the device as possible, is recommended for best AC performance."
      },
      {
        "number": "4",
        "name": "PG",
        "type": "output",
        "description": "Open-drain power-good output (active high) that indicates the output has reached the PG rising threshold; an external pull-up of 10 kΩ to 100 kΩ is recommended and PG sink current is limited to -5 mA in absolute maximum ratings."
      },
      {
        "number": "5",
        "name": "50mV",
        "type": "passive",
        "description": "VOUT programming pin tied to the internal feedback network; connect to GND, SNS or leave floating to set the output voltage, with GND adding 50 mV to the output."
      },
      {
        "number": "6",
        "name": "100mV",
        "type": "passive",
        "description": "VOUT programming pin tied to the internal feedback network; connect to GND, SNS or leave floating, with GND adding 100 mV to the output."
      },
      {
        "number": "7",
        "name": "200mV",
        "type": "passive",
        "description": "VOUT programming pin tied to the internal feedback network; connect to GND, SNS or leave floating, with GND adding 200 mV to the output."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be connected with low impedance to the other GND pin and the exposed pad."
      },
      {
        "number": "9",
        "name": "400mV",
        "type": "passive",
        "description": "VOUT programming pin tied to the internal feedback network; connect to GND, SNS or leave floating, with GND adding 400 mV to the output."
      },
      {
        "number": "10",
        "name": "800mV",
        "type": "passive",
        "description": "VOUT programming pin tied to the internal feedback network; connect to GND, SNS or leave floating, with GND adding 800 mV to the output."
      },
      {
        "number": "11",
        "name": "1.6V",
        "type": "passive",
        "description": "VOUT programming pin tied to the internal feedback network; connect to GND, SNS or leave floating, with GND adding 1.6 V to the output."
      },
      {
        "number": "12",
        "name": "BIAS",
        "type": "power_in",
        "description": "Bias supply pin that reduces power dissipation at low input and output voltages and improves DC and AC performance when VIN ≤ 2.2 V; a 10 µF or greater capacitor to GND is required, and the pin must be left floating or grounded if unused."
      },
      {
        "number": "13",
        "name": "NR/SS",
        "type": "passive",
        "description": "Noise reduction and soft-start pin; an external capacitor to GND lowers reference noise and sets the soft-start time, with 10 nF or greater recommended close to the pin."
      },
      {
        "number": "14",
        "name": "EN",
        "type": "input",
        "description": "Enable pin: driving it high enables the device and driving it low disables it, with thresholds of 0.4 V maximum (low) and 1.1 V minimum (high); it must be tied to IN or BIAS if enable control is not used."
      },
      {
        "number": "15",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin with a operating range of 1.1 V to 6.5 V; a 10 µF or greater ceramic capacitor (at least 5 µF) from IN to GND, placed as close to the pin as possible, is required."
      },
      {
        "number": "16",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin with an operating range of 1.1 V to 6.5 V; connect with the input capacitor placed as close to the pin as possible."
      },
      {
        "number": "17",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin with an operating range of 1.1 V to 6.5 V; connect with the input capacitor placed as close to the pin as possible."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be connected with low impedance to the other GND pin and the exposed pad."
      },
      {
        "number": "19",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output pin; connect to the 47 µF or greater ceramic output capacitor to GND as close to the pin as possible."
      },
      {
        "number": "20",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output pin; connect to the 47 µF or greater ceramic output capacitor to GND as close to the pin as possible."
      },
      {
        "number": "21",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Package mapping: the ordering guide (page 25) lists GM1203AACPZ-1-R7 as QFN-20, 3.5 mm x 3.5 mm, pac; The exposed pad has no number on the package; it is listed with the number 'EPAD' as printed in the ; Pin types for the VOUT programming pins (50mV, 100mV, 200mV, 400mV, 800mV, 1.6V), SNS and NR/SS were",
          "exposed pad 21 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
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        "at": "2026-10-18T23:54:50"
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        "pages": 25,
        "sha256": "f744d3090b584d94",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 21,
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      "Package": "QFN-20-EP(3.5x3.5)",
      "Category": "Power Management (PMIC)",
      "Pins": "21"
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          "name": "Output voltage range, pin-programmed (GM1203A)",
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          "typ": null,
          "max": 3.65,
          "conditions": "GM1203A, 使用引脚编程",
          "source_page": 9,
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          "name": "Output voltage range, external resistor divider (GM1203A)",
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          "conditions": "GM1203A, 使用外部电阻(2), 不包括外部电阻容差",
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        {
          "name": "Output voltage accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
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          "conditions": "0.5 V ≤ VOUT ≤ 3.65 V, 5 mA ≤ IOUT ≤ 3 A, over VIN",
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        {
          "name": "Output voltage accuracy with BIAS",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
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          "max": 1.3,
          "conditions": "VIN = 1.1 V, VOUT = 0.5V, 5 mA ≤ IOUT ≤ 3 A, 3.0 V ≤ VBIAS ≤ 6.5 V",
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        },
        {
          "name": "Output current limit (3A variant, excludes -3-R7 4A row)",
          "symbol": "ILIM",
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          "unit": "A",
          "min": 3.7,
          "typ": 4.2,
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          "conditions": "VOUT 外加 0.9 × VOUT(nom), VIN = VOUT(nom) + 0.4 V",
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        {
          "name": "EN pin high-level input voltage",
          "symbol": "VEN_IH",
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        {
          "name": "EN pin low-level input voltage",
          "symbol": "VEN_IL",
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          "name": "EN pin current",
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          "unit": "µA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN = 6.5 V, VEN = 0 V and 6.5 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "PG falling threshold",
          "symbol": "VPG_FALLING",
          "kind": "electrical",
          "unit": "% × VOUT",
          "min": 82,
          "typ": 91,
          "max": 93,
          "conditions": "PG 引脚阈值 下降",
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        {
          "name": "Shutdown ground pin current (typical)",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 18,
          "max": null,
          "conditions": "关断, VIN = 6.5 V, VEN = 0.5 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage, 3A, VIN = 1.5 V",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 140,
          "max": 260,
          "conditions": "VIN = 1.5 V, IOUT = 3 A, 0.9 × VOUT(nom)",
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          "name": "Dropout voltage, 3A, VIN = 5.4 V",
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          "min": null,
          "typ": 115,
          "max": 220,
          "conditions": "VIN = 5.4 V, IOUT = 3 A, 0.9 × VOUT(nom)",
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          "name": "Dropout voltage, 3A, VIN = 1.1 V, VBIAS = 5 V",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 120,
          "max": 210,
          "conditions": "VIN = 1.1 V, VBIAS = 5 V, IOUT = 3 A, 0.9 × VOUT(nom)",
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        {
          "name": "FB pin leakage current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "VIN = 6.5 V",
          "source_page": 10,
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        {
          "name": "NR/SS charging current",
          "symbol": "INR/SS",
          "kind": "electrical",
          "unit": "µA",
          "min": 4,
          "typ": 9,
          "max": 11.5,
          "conditions": "VNR/SS = GND, VIN = 6.5 V",
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        {
          "name": "Thermal shutdown threshold (typical)",
          "symbol": "TSD",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "关断阈值，温度不断上升",
          "source_page": 10,
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        {
          "name": "Thermal shutdown hysteresis (typical)",
          "symbol": "TSD_HYS",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "开机阈值，温度不断下降",
          "source_page": 10,
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        {
          "name": "IN, BIAS, PG, EN to GND voltage",
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          "name": "SNS, OUT to GND voltage (upper limit printed as VIN+0.3 V)",
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        {
          "name": "NR/SS, FB to GND voltage",
          "symbol": "",
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        {
          "name": "Output-setting pins to GND voltage (upper limit printed as VOUT+0.3 V)",
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          "typ": null,
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          "source_page": 8,
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          "name": "PG current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -5,
          "typ": null,
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        {
          "name": "Storage temperature range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "source": "datasheet"
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        {
          "name": "Operating temperature range (GM1203AACPZ grade)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "-40°C to +125°C grade per ordering guide (M grade is -55 to +125)",
          "source_page": 8,
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        {
          "name": "Thermal resistance junction-to-ambient, 20-pin 3.5 mm × 3.5 mm QFN",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
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          "max": null,
          "conditions": "20-pin 3.5 mm × 3.5 mm QFN, worst case, surface-mount on board",
          "source_page": 8,
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        {
          "name": "Continuous operating junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "for reliable continuous operation",
          "source_page": 20,
          "source": "datasheet"
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        {
          "name": "Input voltage with BIAS applied",
          "symbol": "VIN",
          "kind": "recommended_operating",
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          "name": "BIAS supply voltage when VIN < 1.5 V",
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          "conditions": "VIN < 1.5 V",
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          "source": "datasheet"
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          "name": "Input capacitor, IN to GND",
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          "unit": "µF",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "ceramic, close to IN pins",
          "source_page": 6,
          "source": "datasheet"
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          "name": "BIAS capacitor, BIAS to GND",
          "symbol": "CBIAS",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "BIAS pin used",
          "source_page": 6,
          "source": "datasheet"
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          "name": "Output capacitor, OUT to GND (effective)",
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          "kind": "recommended_operating",
          "unit": "µF",
          "min": 47,
          "typ": null,
          "max": null,
          "conditions": "ceramic, effective capacitance ≥22 µF",
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          "source": "datasheet"
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