component
GM1203BACPZ-1-R7
Public Made by Adomby adom
GONGMOSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, QFN-20(3.5x3.5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "GM1203BACPZ-1-R7",
"brief": "GONGMOSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, QFN-20(3.5x3.5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"package": "QFN-20(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/8773173012529201152",
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"number": "1",
"name": "OUT",
"type": "power_out",
"description": "Regulated output; a 47 µF or larger ceramic capacitor to GND, placed as close to the pin as possible, is required for stability."
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{
"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 pins are used, otherwise leave it floating."
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{
"number": "3",
"name": "FB",
"type": "input",
"description": "Feedback pin to the error amplifier; a 10 nF feed-forward capacitor between FB and OUT, placed close to the device, is recommended."
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{
"number": "4",
"name": "PG",
"type": "output",
"description": "Open-drain, active-high power-good output that indicates the output has reached the PG rising threshold, requiring an external pull-up of 10 kΩ to 100 kΩ and rated for a PG current of −5 mA maximum."
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{
"number": "5",
"name": "50mV",
"type": "input",
"description": "VOUT programming pin that adds 50 mV to the output when connected to GND, and is set to SNS or left floating otherwise."
},
{
"number": "6",
"name": "100mV",
"type": "input",
"description": "VOUT programming pin that adds 100 mV to the output when connected to GND, and is set to SNS or left floating otherwise."
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{
"number": "7",
"name": "200mV",
"type": "input",
"description": "VOUT programming pin that adds 200 mV to the output when connected to GND, and is set to SNS or left floating otherwise."
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{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Ground pin that must be connected with low impedance to the other GND pin(s) and the exposed pad."
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{
"number": "9",
"name": "400mV",
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"description": "VOUT programming pin that adds 400 mV to the output when connected to GND, and is set to SNS or left floating otherwise."
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{
"number": "10",
"name": "800mV",
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"description": "VOUT programming pin that adds 800 mV to the output when connected to GND, and is set to SNS or left floating otherwise."
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{
"number": "11",
"name": "1.6V",
"type": "input",
"description": "VOUT programming pin that adds 1.6 V to the output when connected to GND, and is set to SNS or left floating otherwise."
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{
"number": "12",
"name": "BIAS",
"type": "power_in",
"description": "Bias supply pin that lowers dropout and improves DC and AC performance at VIN ≤ 2.2 V and requires a 10 µF or larger capacitor to GND; it must be left floating or grounded if unused, and at least 3 V must be applied to it when VIN is below 1.5 V."
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{
"number": "13",
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"type": "passive",
"description": "Noise-reduction and soft-start pin where an external capacitor to GND reduces reference noise and sets soft-start, with 10 nF or more recommended and a charge current of 4.0 µA to 11.5 µA."
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{
"number": "14",
"name": "EN",
"type": "input",
"description": "Enable pin where a logic high above 1.1 V enables the device and a logic low below 0.4 V disables it, with a maximum rating of 6.5 V, and it must be tied to IN or BIAS if enable control is not used."
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{
"number": "15",
"name": "IN",
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"description": "Input supply pin with a 1.1 V to 6.5 V operating range that requires a 10 µF or larger ceramic capacitor to GND placed as close to the pin as possible."
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{
"number": "16",
"name": "IN",
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"description": "Input supply pin with a 1.1 V to 6.5 V operating range that requires a 10 µF or larger ceramic capacitor to GND placed as close to the pin as possible."
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{
"number": "17",
"name": "IN",
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{
"number": "18",
"name": "GND",
"type": "power_in",
"description": "Ground pin that must be connected with low impedance to the other GND pin(s) and the exposed pad."
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{
"number": "19",
"name": "OUT",
"type": "power_out",
"description": "Regulated output; a 47 µF or larger ceramic capacitor to GND, placed as close to the pin as possible, is required for stability."
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{
"number": "20",
"name": "OUT",
"type": "power_out",
"description": "Regulated output; a 47 µF or larger ceramic capacitor to GND, placed as close to the pin as possible, is required for stability."
},
{
"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",
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"exposed pad 21 added from the footprint"
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"Package": "QFN-20(3.5x3.5)",
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"name": "Output voltage accuracy (line, load, over temperature)",
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"conditions": "0.5 V ≤ VOUT ≤ 3.65 V, 5 mA ≤ IOUT ≤ 3 A, over VIN",
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"name": "GM1203B output voltage range, pin-programmed",
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"name": "GM1203B output voltage range, external resistor divider",
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"kind": "recommended_operating",
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"max": 5.5,
"conditions": "使用外部电阻 (external resistors), excludes resistor tolerance",
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{
"name": "Minimum IN voltage for UVLO (with BIAS)",
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"max": null,
"conditions": "VBIAS = 3.0 V, TJ = −40°C to +125°C",
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{
"name": "Minimum IN voltage for UVLO (without BIAS)",
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{
"name": "Minimum BIAS input voltage for UVLO",
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"conditions": "VIN = 1.1 V, VBIAS rising",
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"source": "datasheet"
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{
"name": "Dropout voltage, 3 A",
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"max": 260,
"conditions": "VIN = 1.5 V, IOUT = 3 A, 0.9 × VOUT(nom)",
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"source": "datasheet"
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{
"name": "Dropout voltage, 3 A",
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"kind": "electrical",
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"typ": 115,
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"conditions": "VIN = 5.4 V, IOUT = 3 A, 0.9 × VOUT(nom)",
"source_page": 9,
"source": "datasheet"
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{
"name": "Dropout voltage, 3 A with BIAS",
"symbol": "VDO",
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"typ": 120,
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"conditions": "VIN = 1.1 V, VBIAS = 5 V, IOUT = 3 A, 0.9 × VOUT(nom)",
"source_page": 9,
"source": "datasheet"
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{
"name": "Output current limit",
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"kind": "electrical",
"unit": "A",
"min": 3.7,
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"conditions": "VOUT forced to 0.9 × VOUT(nom), VIN = VOUT(nom) + 0.4 V",
"source_page": 9,
"source": "datasheet"
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{
"name": "EN pin low-level input voltage",
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{
"name": "EN pin high-level input voltage",
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{
"name": "EN pin current",
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"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"
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{
"name": "PG falling threshold",
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"kind": "electrical",
"unit": "% × VOUT",
"min": 82,
"typ": 91,
"max": 93,
"conditions": "",
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{
"name": "PG pin low-level output voltage",
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"typ": null,
"max": 0.4,
"conditions": "VOUT < VPG_FALLING, IPG = –1 mA",
"source_page": 9,
"source": "datasheet"
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{
"name": "PG pin leakage current",
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"kind": "electrical",
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"max": 1,
"conditions": "VOUT > VPG_FALLING + VPG_HYS, VPG = 6.5 V",
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{
"name": "NR/SS charging current",
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"kind": "electrical",
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"min": 4,
"typ": 9,
"max": 11.5,
"conditions": "VNR/SS = GND, VIN = 6.5 V",
"source_page": 9,
"source": "datasheet"
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{
"name": "FB pin leakage current",
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"kind": "electrical",
"unit": "nA",
"min": -100,
"typ": null,
"max": 100,
"conditions": "VIN = 6.5 V",
"source_page": 9,
"source": "datasheet"
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{
"name": "Absolute max: IN, BIAS, PG, EN to GND voltage",
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"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
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{
"name": "Absolute max: NR/SS, FB to GND voltage",
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"min": -0.3,
"typ": null,
"max": 3.6,
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"source": "datasheet"
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{
"name": "Absolute max: SNS, OUT to GND voltage",
"symbol": "",
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"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "Upper limit printed as VIN+0.3 V",
"source_page": 8,
"source": "datasheet"
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{
"name": "Absolute max: 50mV…1.6V output-setting pins to GND voltage",
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"conditions": "Upper limit printed as VOUT+0.3 V",
"source_page": 8,
"source": "datasheet"
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{
"name": "Absolute max: PG current",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": -5,
"typ": null,
"max": null,
"conditions": "",
"source_page": 8,
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{
"name": "Absolute max: storage temperature",
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"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 8,
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{
"name": "Operating temperature range",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "Non-M grade (GM1203BACPZ); the −55°C to +125°C range applies to M variants",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Thermal resistance, junction to ambient, 20-pin 3.5 mm × 3.5 mm QFN",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 43.4,
"max": null,
"conditions": "Worst case, device soldered to PCB (JEDEC high-K 4-layer board)",
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{
"name": "Input voltage, no BIAS",
"symbol": "VIN",
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"typ": null,
"max": 6.5,
"conditions": "Without BIAS supply",
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"source": "datasheet"
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{
"name": "Input voltage, with BIAS",
"symbol": "VIN",
"kind": "recommended_operating",
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"min": 1.1,
"typ": null,
"max": 6.5,
"conditions": "When VIN < 1.5 V, BIAS must be at least 3 V",
"source_page": 18,
"source": "datasheet"
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{
"name": "BIAS supply voltage",
"symbol": "VBIAS",
"kind": "recommended_operating",
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"min": 3,
"typ": null,
"max": 6.5,
"conditions": "Required when VIN < 1.5 V",
"source_page": 9,
"source": "datasheet"
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{
"name": "Input capacitor (IN to GND)",
"symbol": "CIN",
"kind": "recommended_operating",
"unit": "µF",
"min": 10,
"typ": null,
"max": null,
"conditions": "Ceramic, placed close to IN pins",
"source_page": 6,
"source": "datasheet"
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{
"name": "Output capacitor (OUT to GND)",
"symbol": "COUT",
"kind": "recommended_operating",
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"min": 47,
"typ": null,
"max": null,
"conditions": "Ceramic, 22 µF or more effective capacitance",
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"source": "datasheet"
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{
"name": "BIAS to GND capacitor",
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"min": 10,
"typ": null,
"max": null,
"conditions": "When BIAS is used",
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"source": "datasheet"
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{
"name": "NR/SS to GND capacitor",
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"min": 10,
"typ": null,
"max": null,
"conditions": "Recommended, placed close to pin",
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"source": "datasheet"
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