component
LM3478MAX
Public Made by Adomby adom
Texas Instruments DC-DC Converters, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+116−8@@ -1,13 +1,126 @@ {+ "schema_version": 1,+ "type": "component", "slug": "lm3478max",+ "title": "LM3478MAX",+ "brief": "Texas Instruments DC-DC Converters, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "Texas Instruments DC-DC Converters, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "pmic", "lm3478max" ],+ "component": {+ "mpn": "LM3478MAX",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "PMIC",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/lit/ds/symlink/lm3478max.pdf",+ "parts": {+ "symbol": "lm3478max.kicad_sym",+ "footprint": "lm3478max.kicad_mod",+ "model_3d": "lm3478max.glb",+ "model_3d_step": "lm3478max.step",+ "lbr": "lm3478max.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "ISEN",+ "type": "input",+ "description": "Current sense input pin. Voltage generated across an external sense resistor is fed into this pin. Current sense threshold voltage is typically 156 mV (VIN = 5 V); short-circuit current-limit sense voltage is typically 343 mV. Absolute maximum ISEN pin voltage is 500 mV."+ },+ {+ "number": "2",+ "name": "COMP",+ "type": "output",+ "description": "Compensation pin. A resistor-capacitor combination connected to this pin provides compensation for the control loop (error amplifier output)."+ },+ {+ "number": "3",+ "name": "FB",+ "type": "input",+ "description": "Feedback pin. The output voltage should be adjusted using a resistor divider to provide 1.26 V at this pin (VFB typical 1.26 V, \u00b12.5% over temperature). Absolute maximum FB pin voltage is 7 V."+ },+ {+ "number": "4",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground pin. Return for the internal control circuitry and reference. Should be tied to PGND at a single point near the IC."+ },+ {+ "number": "5",+ "name": "PGND",+ "type": "power_in",+ "description": "Power ground pin. Return for the internal MOSFET gate driver; carries the peak driver currents (up to 1 A). Route separately from AGND back to a single ground reference point."+ },+ {+ "number": "6",+ "name": "DR",+ "type": "output",+ "description": "Drive pin. The gate of the external N-channel MOSFET should be connected to this pin. Internal push-pull driver with 1 A peak capability. Drive voltage swings to VIN (VIN < 7.2 V) or clamped at 7.2 V (VIN \u2265 7.2 V). Absolute maximum VDR is 8 V."+ },+ {+ "number": "7",+ "name": "FA/SD",+ "type": "input",+ "description": "Frequency Adjust and Shutdown pin. A resistor connected to this pin sets the oscillator frequency (100 kHz to 1 MHz; RFA = 40 k\u03a9 gives 400 kHz nominal). A high level on this pin for longer than 30 \u00b5s will turn the device off; in shutdown the device draws less than 10 \u00b5A from the supply. Absolute maximum VFA/SD is 7 V."+ },+ {+ "number": "8",+ "name": "VIN",+ "type": "power_in",+ "description": "Power Supply Input pin. Operating range 2.97 V to 40 V (absolute maximum 45 V). Undervoltage lockout at 2.85 V typical with 170 mV hysteresis. Non-switching supply current typically 2.7 mA."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/lm3478max.pdf",+ "pages": 41,+ "sha256": "a36ddadf5018c4d9",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "Texas Instruments",+ "Package": "SOIC-8",+ "Category": "PMIC",+ "Pins": "8"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "lm3478max"+ ],+ "discovery_pitch": "LM3478MAX (Texas Instruments) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +138,5 @@ "docs/lm3478max-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }