component
MAX17502EATB+T
Public Made by Adomby adom
Analog Devices Inc Maxim Integrated Global Sourcing Parts, TDFN-10-EP(2x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"name": "PGND",
"type": "power_in",
"description": "Power ground for switching currents; connect externally to the power ground plane and tie GND and PGND together at the return of the VCC bypass capacitor."
},
{
"number": "2",
"name": "VIN",
"type": "power_in",
"description": "Power-supply input with an operating range of 4.5V to 60V (VIN to GND absolute maximum is 70V)."
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{
"number": "3",
"name": "EN/UVLO",
"type": "input",
"description": "Enable/undervoltage lockout input; drive high to enable the output, with a resistive divider from VIN setting the turn-on threshold (EN rising threshold 1.218V typ), and EN/UVLO is limited to -0.3V to (VIN + 0.3V)."
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{
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{
"number": "5",
"name": "FB/VO",
"type": "input",
"description": "Feedback input; connect directly to the output for fixed 3.3V/5V versions or to the center of the resistive divider from VOUT to GND for adjustable versions, with FB limited to -0.3V to +6V."
},
{
"number": "6",
"name": "SS",
"type": "input",
"description": "Soft-start input; connect a capacitor from SS to GND to set the soft-start time, with SS limited to -0.3V to +6V."
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{
"number": "7",
"name": "N.C./COMP",
"type": "unconnected",
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},
{
"number": "8",
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"description": "Open-drain reset output that goes low when FB falls below 92.5% of its set value and goes high 1024 clock cycles after FB rises above 95.5%; it requires an external pullup and can sink 2mA while low."
},
{
"number": "9",
"name": "GND",
"type": "power_in",
"description": "Analog ground for the control circuitry; connect to the exposed pad and keep separate from PGND except at the VCC bypass capacitor return."
},
{
"number": "10",
"name": "LX",
"type": "output",
"description": "Switching node connected to the switching side of the inductor; LX is high impedance in shutdown and LX total RMS current is rated ±1.6A."
},
{
"number": "11",
"name": "EP",
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"max": 200,
"conditions": "VEN = VIN = 60V, TA = +25°C",
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{
"name": "VCC Output Voltage Range",
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"min": 4.65,
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{
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"min": 15,
"typ": 40,
"max": 80,
"conditions": "VCC = 4.3V, VIN = 12V",
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{
"name": "VCC Dropout",
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"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 4.1,
"conditions": "VIN = 4.5V, IVCC = 5mA",
"source_page": 2,
"source": "datasheet"
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{
"name": "VCC UVLO rising",
"symbol": "VCC-UVR",
"kind": "electrical",
"unit": "V",
"min": 3.85,
"typ": 4,
"max": 4.15,
"conditions": "VCC rising",
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{
"name": "VCC UVLO falling",
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"min": 3.55,
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"max": 3.85,
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{
"name": "High-Side pMOS On-Resistance",
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"kind": "electrical",
"unit": "Ω",
"min": null,
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"max": 0.85,
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{
"name": "High-Side pMOS On-Resistance at high temperature",
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"max": 1.2,
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{
"name": "Low-Side nMOS On-Resistance",
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{
"name": "Low-Side nMOS On-Resistance at high temperature",
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{
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"conditions": "VEN = 0V, TA = +25°C, VLX = (VPGND + 1V) to (VIN - 1V)",
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{
"name": "Soft-Start Charging Current",
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"max": 5.3,
"conditions": "VSS = 0.5V",
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"source": "datasheet"
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{
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"symbol": "IFB",
"kind": "electrical",
"unit": "µA",
"min": 6.8,
"typ": 12,
"max": 17,
"conditions": "TA = +25°C, MAX17502E, VFB = 3.3V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Voltage (MAX17502E, 3.3V fixed)",
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"kind": "electrical",
"unit": "V",
"min": 3.248,
"typ": 3.3,
"max": 3.352,
"conditions": "MAX17502E",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Peak Current-Limit Threshold",
"symbol": "IPEAK-LIMIT",
"kind": "electrical",
"unit": "A",
"min": 1.4,
"typ": 1.65,
"max": 1.9,
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"source_page": 4,
"source": "datasheet"
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{
"name": "Runaway Current-Limit Threshold",
"symbol": "IRUNAWAY-LIMIT",
"kind": "electrical",
"unit": "A",
"min": 1.45,
"typ": 1.7,
"max": 2,
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{
"name": "Sink Current-Limit Threshold",
"symbol": "ISINK-LIMIT",
"kind": "electrical",
"unit": "A",
"min": 0.56,
"typ": 0.65,
"max": 0.74,
"conditions": "MAX17502E/F/G/H",
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{
"name": "Switching Frequency (MAX17502E)",
"symbol": "fSW",
"kind": "timing",
"unit": "kHz",
"min": 560,
"typ": 600,
"max": 640,
"conditions": "VFB > VOUT-HICF",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Switching Frequency during foldback",
"symbol": "fSW",
"kind": "timing",
"unit": "kHz",
"min": 280,
"typ": 300,
"max": 320,
"conditions": "VFB < VOUT-HICF",
"source_page": 4,
"source": "datasheet"
},
{
"name": "VOUT Undervoltage Trip Level to Cause Hiccup",
"symbol": "VOUT-HICF",
"kind": "electrical",
"unit": "%",
"min": 69.14,
"typ": 71.14,
"max": 73.14,
"conditions": "VSS > 0.95V (soft-start is done)",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Minimum On-Time",
"symbol": "tON_MIN",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": 75,
"max": 120,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Maximum Duty Cycle (MAX17502E)",
"symbol": "DMAX",
"kind": "electrical",
"unit": "%",
"min": 92,
"typ": 94,
"max": 96,
"conditions": "VFB = 0.98 x VFB-REG",
"source_page": 4,
"source": "datasheet"
},
{
"name": "RESET Output Level Low",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.02,
"conditions": "IRESET = 1mA",
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{
"name": "RESET Output Leakage Current, high",
"symbol": "",
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"min": null,
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"conditions": "VFB = 1.01 x VFB-REG, TA = +25°C",
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{
"name": "VOUT Threshold for RESET Falling",
"symbol": "VOUT-OKF",
"kind": "electrical",
"unit": "%",
"min": 90.5,
"typ": 92.5,
"max": 94.5,
"conditions": "VFB falling",
"source_page": 4,
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},
{
"name": "VOUT Threshold for RESET Rising",
"symbol": "VOUT-OKR",
"kind": "electrical",
"unit": "%",
"min": 93.5,
"typ": 95.5,
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"conditions": "VFB rising",
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{
"name": "Thermal-Shutdown Threshold",
"symbol": "",
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"unit": "°C",
"min": null,
"typ": 165,
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{
"name": "Thermal-Shutdown Hysteresis",
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{
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"min": -0.3,
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{
"name": "LX to PGND (absolute max is VIN + 0.3V, not numeric)",
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{
"name": "FB, RESET, COMP, SS to GND",
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{
"name": "VCC to GND",
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"min": -0.3,
"typ": null,
"max": 0.3,
"conditions": "",
"source_page": 2,
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},
{
"name": "LX Total RMS Current",
"symbol": "",
"kind": "absolute_maximum",
"unit": "A",
"min": -1.6,
"typ": null,
"max": 1.6,
"conditions": "",
"source_page": 2,
"source": "datasheet"
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{
"name": "Junction Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
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{
"name": "Storage Temperature Range",
"symbol": "",
"kind": "absolute_maximum",
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