component
U3525L-D16-T
Public Made by Adomby adom
UTC(Unisonic Tech) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"component": {
"mpn": "U3525L-D16-T",
"manufacturer": "UTC(Unisonic Tech)",
"package": "DIP-16",
"pin_count": 16,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9a984ff58ee2a83977f5f83ee4c0aee0.pdf",
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"distributor_links": {
"lcsc": "C7464701"
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"checked_at": "2026-11-05T05:14:16Z",
"source": "Component Ocean /api/assign-pns",
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"pn": null,
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"pins": [
{
"number": "1",
"name": "INV. INPUT",
"type": "input",
"description": "Inverting input of the error amplifier, with input bias current of 1 µA typ and 10 µA max and common-mode range of 1.5 to 5.2 V."
},
{
"number": "2",
"name": "N.I. INPUT",
"type": "input",
"description": "Non-inverting input of the error amplifier, with input bias current of 1 µA typ and 10 µA max and common-mode range of 1.5 to 5.2 V."
},
{
"number": "3",
"name": "SYNC",
"type": "input",
"description": "Separate oscillator sync terminal with a sync threshold of 1.2 to 2.8 V (2 V typ) and sync input current of 1 to 2.5 mA at 3.5 V."
},
{
"number": "4",
"name": "OSC. OUTPUT",
"type": "output",
"description": "Oscillator clock output with a clock amplitude of 3 to 3.5 V and a clock width of 0.3 to 1 µs."
},
{
"number": "5",
"name": "CT",
"type": "passive",
"description": "Oscillator timing capacitor connection with a recommended range of 0.001 to 0.1 µF."
},
{
"number": "6",
"name": "RT",
"type": "passive",
"description": "Oscillator timing resistor connection with a recommended range of 2 to 150 kΩ."
},
{
"number": "7",
"name": "DISCHARGE",
"type": "passive",
"description": "Oscillator discharge terminal where a dead time resistor (0 to 500 Ω) to CT sets the dead time."
},
{
"number": "8",
"name": "SOFT-START",
"type": "passive",
"description": "Soft-start capacitor connection with a current-source pull-up of 25 to 80 µA, and pulling it down turns off the outputs."
},
{
"number": "9",
"name": "COMP",
"type": "bidirectional",
"description": "Error amplifier output/compensation terminal with a current-source pull-up, and pulling it down (about 100 µA) turns off the outputs."
},
{
"number": "10",
"name": "SHUT DOWN",
"type": "input",
"description": "Shutdown input with a threshold of 0.6 to 1 V that sets the PWM latch and discharges the soft-start capacitor with a 150 µA sink, and it should not be left floating."
},
{
"number": "11",
"name": "OUTPUT A",
"type": "output",
"description": "Totem-pole output A that sources or sinks over 200 mA (500 mA absolute max) and gives a LOW output when off."
},
{
"number": "12",
"name": "GROUND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "13",
"name": "VC",
"type": "power_in",
"description": "Collector supply for the output stages, with a recommended range of 4.5 to 35 V and an absolute maximum of 40 V."
},
{
"number": "14",
"name": "OUTPUT B",
"type": "output",
"description": "Totem-pole output B that sources or sinks over 200 mA (500 mA absolute max) and gives a LOW output when off."
},
{
"number": "15",
"name": "+VI",
"type": "power_in",
"description": "Input supply voltage with a recommended range of 8 to 35 V and an absolute maximum of 40 V."
},
{
"number": "16",
"name": "VREF",
"type": "power_out",
"description": "Trimmed 5.1 V reference output (±1%) that supplies up to 20 mA of load current."
}
],
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"at": "2026-11-05T05:14:08"
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"pages": 10,
"sha256": "e889eb2537c2a6f5",
"source_tier": "mfr"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 16,
"described": 16,
"cites_pages": true,
"refuses_to_fabricate": true
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