component
LT3070EUFD#PBF
Public Made by Adomby adom
Analog Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, QFN-28-EP(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"title": "LT3070EUFD#PBF",
"brief": "Analog Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, QFN-28-EP(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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"power management (pmic)",
"lt3070eufd#pbf",
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],
"component": {
"mpn": "LT3070EUFD#PBF",
"manufacturer": "Analog Devices",
"package": "QFN-28-EP(4x5)",
"pin_count": 29,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883501533827072",
"parts": {
"symbol": "lt3070eufd-pbf.kicad_sym",
"footprint": "lt3070eufd-pbf.kicad_mod",
"model_3d": "lt3070eufd-pbf-hero.glb",
"model_3d_plain": "lt3070eufd-pbf-etched.glb",
"model_3d_step": "lt3070eufd-pbf-etched.step",
"model_3d_step_plain": "lt3070eufd-pbf.step",
"lbr": "lt3070eufd-pbf.lbr"
},
"distributor_links": {
"lcsc": "C107813",
"digikey": "505-LT3070EUFD#PBF-ND",
"mouser": "584-LT3070EUFD#PBF"
},
"distributor_check": {
"checked_at": "2026-10-19T01:02:00Z",
"source": "Component Ocean /api/assign-pns",
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"status": "found"
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},
"pins": [
{
"number": "1",
"name": "VIOC",
"type": "output",
"description": "Output of the tracking function that drives an external buck regulator to hold the LT3070 input at VOUT + 300mV."
},
{
"number": "2",
"name": "PWRGD",
"type": "output",
"description": "Open-drain NMOS power-good output that pulls low if VOUT is below 90% of nominal on its rising edge or below 85% for more than 25µs, junction temperature typically exceeds 145°C, VBIAS is below its UVLO threshold, or the OUT-to-IN reverse-current detector activates."
},
{
"number": "3",
"name": "REF/BYP",
"type": "output",
"description": "Bandgap reference output with approximately 19kΩ impedance that must not be externally loaded and may be bypassed to GND with a 10nF capacitor."
},
{
"number": "4",
"name": "GND",
"type": "power_in",
"description": "Ground pin that must be tied to the exposed pad (pin 29) and the other GND pins for electrical and thermal performance."
},
{
"number": "5",
"name": "IN",
"type": "power_in",
"description": "Input supply to the high-current pass transistor; tie all IN pins together and bypass with at least 47µF, with the IN pin voltage range given as 0.95V to 3.0V."
},
{
"number": "6",
"name": "IN",
"type": "power_in",
"description": "Input supply to the high-current pass transistor; tie all IN pins together and bypass with at least 47µF, with the IN pin voltage range given as 0.95V to 3.0V."
},
{
"number": "7",
"name": "IN",
"type": "power_in",
"description": "Input supply to the high-current pass transistor; tie all IN pins together and bypass with at least 47µF, with the IN pin voltage range given as 0.95V to 3.0V."
},
{
"number": "8",
"name": "IN",
"type": "power_in",
"description": "Input supply to the high-current pass transistor; tie all IN pins together and bypass with at least 47µF, with the IN pin voltage range given as 0.95V to 3.0V."
},
{
"number": "9",
"name": "GND",
"type": "power_in",
"description": "Ground pin that must be tied to the exposed pad (pin 29) and the other GND pins for electrical and thermal performance."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground pin that must be tied to the exposed pad (pin 29) and the other GND pins for electrical and thermal performance."
},
{
"number": "11",
"name": "GND",
"type": "power_in",
"description": "Ground pin that must be tied to the exposed pad (pin 29) and the other GND pins for electrical and thermal performance."
},
{
"number": "12",
"name": "GND",
"type": "power_in",
"description": "Ground pin that must be tied to the exposed pad (pin 29) and the other GND pins for electrical and thermal performance."
},
{
"number": "13",
"name": "GND",
"type": "power_in",
"description": "Ground pin that must be tied to the exposed pad (pin 29) and the other GND pins for electrical and thermal performance."
},
{
"number": "14",
"name": "GND",
"type": "power_in",
"description": "Ground pin that must be tied to the exposed pad (pin 29) and the other GND pins for electrical and thermal performance."
},
{
"number": "15",
"name": "OUT",
"type": "power_out",
"description": "Regulated output that supplies the load; tie all OUT pins together and provide at least 15µF of low-ESR ceramic output capacitance for stability."
},
{
"number": "16",
"name": "OUT",
"type": "power_out",
"description": "Regulated output that supplies the load; tie all OUT pins together and provide at least 15µF of low-ESR ceramic output capacitance for stability."
},
{
"number": "17",
"name": "OUT",
"type": "power_out",
"description": "Regulated output that supplies the load; tie all OUT pins together and provide at least 15µF of low-ESR ceramic output capacitance for stability."
},
{
"number": "18",
"name": "OUT",
"type": "power_out",
"description": "Regulated output that supplies the load; tie all OUT pins together and provide at least 15µF of low-ESR ceramic output capacitance for stability."
},
{
"number": "19",
"name": "SENSE",
"type": "input",
"description": "Kelvin sense input to the inverting error amplifier, best connected at the load, with input current typically 50µA at VOUT = 0.8V rising to 300µA at VOUT = 1.8V."
},
{
"number": "20",
"name": "GND",
"type": "power_in",
"description": "Ground pin that must be tied to the exposed pad (pin 29) and the other GND pins for electrical and thermal performance."
},
{
"number": "21",
"name": "MARGSEL",
"type": "input",
"description": "Three-state margining enable and polarity input: below 250mV enables negative margining, above VBIAS - 250mV enables positive margining, and the Hi-Z window disables margining."
},
{
"number": "22",
"name": "MARGTOL",
"type": "input",
"description": "Three-state margining tolerance input selecting ±1% when low (below 250mV), ±5% when high (above VBIAS - 250mV), and ±3% in the Hi-Z window."
},
{
"number": "23",
"name": "VO0",
"type": "input",
"description": "Three-state output voltage select input that combines with VO1 and VO2 to set VOUT from 0.8V to 1.8V in 50mV steps; logic low is below 250mV and logic high is above VBIAS - 250mV."
},
{
"number": "24",
"name": "VO1",
"type": "input",
"description": "Three-state output voltage select input that combines with VO0 and VO2 to set VOUT from 0.8V to 1.8V in 50mV steps; it is overridden internally when VO2 is high so VOUT is limited to 1.8V."
},
{
"number": "25",
"name": "VO2",
"type": "input",
"description": "Three-state output voltage select input that combines with VO0 and VO1 to set VOUT from 0.8V to 1.8V in 50mV steps; when high, it limits VOUT to 1.8V maximum by overriding VO1."
},
{
"number": "26",
"name": "GND",
"type": "power_in",
"description": "Ground pin that must be tied to the exposed pad (pin 29) and the other GND pins for electrical and thermal performance."
},
{
"number": "27",
"name": "BIAS",
"type": "power_in",
"description": "Bias supply for control circuitry and the pass transistor driver, which must satisfy 2.2V ≤ VBIAS ≤ 3.6V and VBIAS ≥ (1.25 • VOUT + 1V) and requires at least a 2.2µF bypass capacitor."
},
{
"number": "28",
"name": "EN",
"type": "input",
"description": "Enable input that turns the output device on or off, with a maximum rising threshold of 0.56 % of VBIAS, a minimum falling threshold of 0.36 % of VBIAS, and a pull-up resistor that must be less than 35k; connect to BIAS if unused."
},
{
"number": "29",
"name": "GND",
"type": "power_in",
"description": "Exposed pad, electrically connected to GND, which must be soldered to the PCB ground and tied to all GND pins for thermal and electrical performance."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
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"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The 'Pin Functions' section lists pins 1-4, 5-8, 9-14, 15-19, 20, 26 and 29 on page 13 and pins 21-2; The datasheet has 28 leads plus an exposed pad (pin 29). Pin 29 is included as GND (power_in) per th; Package variant: the ordering table lists LT3070EUFD#PBF as 28-Lead (4mm × 5mm) Plastic QFN (UFD pac"
],
"pages_sent": 10,
"cost_usd": 0.0897,
"at": "2026-10-19T01:01:43"
},
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"pages": 30,
"sha256": "59f97ca88b397a7c",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
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"described": 29,
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{
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},
"metadata": {
"specs": {
"Manufacturer": "Analog Devices",
"Package": "QFN-28-EP(4x5)",
"Category": "Power Management (PMIC)",
"Pins": "29"
},
"appearance": {
"contacts": {
"quote": "Table 3, UFD Plastic Package, 28-Lead QFN COPPER AREA",
"page": 23,
"doc": "ds.pdf",
"material": "COPPER"
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"version": 1,
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"rows": [
{
"name": "IN Pin Voltage Range",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": 0.95,
"typ": null,
"max": 3,
"conditions": "VIN ≥ VOUT + 150mV, IOUT= 5A",
"source_page": 3,
"source": "datasheet"
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{
"name": "BIAS Pin Voltage Range",
"symbol": "",
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"max": 3.6,
"conditions": "Note 3",
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{
"name": "Regulated Output Voltage",
"symbol": "VOUT",
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"min": 0.792,
"typ": 0.8,
"max": 0.808,
"conditions": "VOUT = 0.8V, 10mA ≤ IOUT ≤ 5A, 1.05V ≤ VIN ≤ 1.25V",
"source_page": 3,
"source": "datasheet"
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{
"name": "Regulated Output Voltage",
"symbol": "VOUT",
"kind": "electrical",
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"min": 0.891,
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"max": 0.909,
"conditions": "VOUT = 0.9V, 10mA ≤ IOUT ≤ 5A, 1.15V ≤ VIN ≤ 1.35V",
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"source": "datasheet"
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{
"name": "Regulated Output Voltage",
"symbol": "VOUT",
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"conditions": "VOUT = 1V, 10mA ≤ IOUT ≤ 5A, 1.25V ≤ VIN ≤ 1.45V",
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{
"name": "Regulated Output Voltage",
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"min": 1.089,
"typ": 1.1,
"max": 1.111,
"conditions": "VOUT = 1.1V, 10mA ≤ IOUT ≤ 5A, 1.35V ≤ VIN ≤ 1.55V",
"source_page": 3,
"source": "datasheet"
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{
"name": "Regulated Output Voltage",
"symbol": "VOUT",
"kind": "electrical",
"unit": "V",
"min": 1.188,
"typ": 1.2,
"max": 1.212,
"conditions": "VOUT = 1.2V, 10mA ≤ IOUT ≤ 5A, 1.45V ≤ VIN ≤ 1.65V, VBIAS = 3.3V",
"source_page": 3,
"source": "datasheet"
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{
"name": "Regulated Output Voltage",
"symbol": "VOUT",
"kind": "electrical",
"unit": "V",
"min": 1.485,
"typ": 1.5,
"max": 1.515,
"conditions": "VOUT = 1.5V, 10mA ≤ IOUT ≤ 5A, 1.75V ≤ VIN ≤ 1.95V, VBIAS = 3.3V",
"source_page": 3,
"source": "datasheet"
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{
"name": "Regulated Output Voltage",
"symbol": "VOUT",
"kind": "electrical",
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"min": 1.782,
"typ": 1.8,
"max": 1.818,
"conditions": "VOUT = 1.8V, 10mA ≤ IOUT ≤ 5A, 2.05V ≤ VIN ≤ 2.25V, VBIAS = 3.3V",
"source_page": 3,
"source": "datasheet"
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{
"name": "Regulated Output Voltage Margining",
"symbol": "",
"kind": "electrical",
"unit": "%",
"min": 0.8,
"typ": 1,
"max": 1.2,
"conditions": "MARGTOL = 0V, MARGSEL = VBIAS",
"source_page": 3,
"source": "datasheet"
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{
"name": "Regulated Output Voltage Margining",
"symbol": "",
"kind": "electrical",
"unit": "%",
"min": -1.2,
"typ": -1,
"max": -0.8,
"conditions": "MARGTOL = 0V, MARGSEL = 0V, IOUT = 10mA",
"source_page": 3,
"source": "datasheet"
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{
"name": "Regulated Output Voltage Margining",
"symbol": "",
"kind": "electrical",
"unit": "%",
"min": 2.7,
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"max": 3.3,
"conditions": "MARGTOL = FLOAT, MARGSEL = VBIAS",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Regulated Output Voltage Margining",
"symbol": "",
"kind": "electrical",
"unit": "%",
"min": -3.3,
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"conditions": "MARGTOL = FLOAT, MARGSEL = 0V, IOUT = 10mA",
"source_page": 3,
"source": "datasheet"
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{
"name": "Regulated Output Voltage Margining",
"symbol": "",
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"conditions": "MARGTOL = VBIAS, MARGSEL = VBIAS",
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{
"name": "Regulated Output Voltage Margining",
"symbol": "",
"kind": "electrical",
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"min": -5.4,
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"conditions": "MARGTOL = VBIAS, MARGSEL = 0V, IOUT = 10mA",
"source_page": 3,
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{
"name": "Line Regulation to VIN",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": null,
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"conditions": "VOUT = 0.8V, ∆VIN = 1.05V to 2.7V, VBIAS = 3.3V, IOUT = 10mA",
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{
"name": "Line Regulation to VBIAS",
"symbol": "",
"kind": "electrical",
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"conditions": "VOUT = 0.8V, ∆VBIAS = 2.2V to 3.6V, VIN = 1.1V, IOUT = 10mA",
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"source": "datasheet"
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{
"name": "Line Regulation to VBIAS",
"symbol": "",
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"min": null,
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"conditions": "VOUT = 1.8V, ∆VBIAS = 3.25V to 3.6V, VIN = 2.1V, IOUT = 10mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Load Regulation",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": -1.5,
"typ": -3,
"max": -5.5,
"conditions": "∆IOUT = 10mA to 5A, VBIAS = 2.5V, VIN = 1.05V, VOUT = 0.8V",
"source_page": 3,
"source": "datasheet"
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{
"name": "Load Regulation",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": -2,
"typ": -4,
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"conditions": "∆IOUT = 10mA to 5A, VBIAS = 2.5V, VIN = 1.25V, VOUT = 1.0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Load Regulation",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": -2.5,
"typ": -5,
"max": -9,
"conditions": "∆IOUT = 10mA to 5A, VBIAS = 3.3V, VIN = 1.75V, VOUT = 1.5V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Load Regulation",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": -3,
"typ": -7,
"max": -13,
"conditions": "∆IOUT = 10mA to 5A, VBIAS = 3.3V, VIN = 2.05V, VOUT = 1.8V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Dropout Voltage",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": null,
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