component
LT8302IS8E#WTRPBF
Public Made by Adomby adom
Analog Devices DC-DC Converters, SOIC-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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"category": "Power Management ICs",
"subcategory": "DC-DC Converters",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/LT8302-8302-3.pdf",
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"description": "Enable and undervoltage lockout input: pulling it below 0.3V shuts the device down, its accurate 1.214V threshold can program a VIN UVLO via a resistor divider with a 2.5µA hysteresis current, and it must be tied directly to VIN if unused."
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{
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"description": "Internal 3V linear regulator output that powers the control circuitry and gate driver, must not be overdriven by an external supply, and needs a minimum 1µF ceramic bypass to GND."
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"name": "VIN",
"type": "power_in",
"description": "Input supply pin for 3V to 42V operation that powers the internal circuitry and serves as the reference for the RFB feedback circuit, and it should be locally bypassed to GND."
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{
"number": "4",
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"type": "power_in",
"description": "Ground pin, which should be connected to the ground plane together with the exposed pad."
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{
"number": "5",
"name": "SW",
"type": "output",
"description": "Drain of the internal 65V, 3.6A DMOS power switch, rated to 65V for transients, so the flyback spike must be derated below 65V and the trace area kept small to reduce EMI and voltage spikes."
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{
"number": "6",
"name": "RFB",
"type": "input",
"description": "Input for the external feedback resistor connected to the transformer primary, with the RFB-to-RREF ratio setting the output voltage, a maximum input current of 200µA, and a voltage limit of VIN − 0.5V to VIN."
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{
"number": "9",
"name": "GND",
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{
"name": "INTVCC Regulation Voltage",
"symbol": "VINTVCC",
"kind": "electrical",
"unit": "V",
"min": 2.85,
"typ": 3,
"max": 3.1,
"conditions": "IINTVCC = 0mA to 10mA",
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"min": 10,
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"min": 2.39,
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{
"name": "(RFB – VIN) Voltage",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": -50,
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"max": 50,
"conditions": "IRFB = 75µA to 125µA",
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{
"name": "RREF Regulation Voltage",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": 0.98,
"typ": 1,
"max": 1.02,
"conditions": "Over full operating temperature range (l)",
"source_page": 3,
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{
"name": "RREF Regulation Voltage Line Regulation",
"symbol": "",
"kind": "electrical",
"unit": "%/V",
"min": -0.01,
"typ": 0,
"max": 0.01,
"conditions": "3V ≤ VIN ≤ 42V",
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{
"name": "TC Pin Current (LT8302)",
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"min": 12,
"typ": 15,
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"conditions": "VTC = 1.2V (LT8302)",
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{
"name": "Minimum Switching Frequency",
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"typ": 12,
"max": 12.7,
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{
"name": "Maximum Switch-Off Time Backup Timer",
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"min": null,
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{
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{
"name": "Switch Leakage Current",
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"conditions": "VSW = 65V",
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{
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"conditions": "Current into RFB",
"source_page": 2,
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"name": "Operating Junction Temperature Range (LT8302I)",
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"name": "Storage Temperature Range",
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"min": -65,
"typ": null,
"max": 150,
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"source": "datasheet"
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"name": "Junction-to-Ambient Thermal Resistance",
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"kind": "thermal",
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"min": null,
"typ": 33,
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"conditions": "S8E package, 8-lead plastic SO; exposed pad (pin 9) must be soldered to PCB",
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