component
LT3973EDD#TRPBF
Public Made by Adomby adom
Analog Devices DC-DC Converters, DFN-10-EP(3x3). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+9−6@@ -44,7 +44,7 @@ "number": "3", "name": "EN/UVLO", "type": "input",- "description": "Enable / undervoltage-lockout input. The part is in shutdown when this pin is low and active when high; the internal threshold is 1.19V rising with 30mV hysteresis (accurate only when VIN \u2265 4.2V). Tie to VIN if the shutdown feature is unused, or ground to force shutdown. Absolute max 42V."+ "description": "Enable / undervoltage-lockout input. The part is in shutdown when this pin is low and active when high; the internal threshold is 1.19V rising with 30mV hysteresis (accurate only when VIN ≥ 4.2V). Tie to VIN if the shutdown feature is unused, or ground to force shutdown. Absolute max 42V." }, { "number": "4",@@ -68,7 +68,7 @@ "number": "7", "name": "BOOST", "type": "passive",- "description": "Bootstrap pin used to generate a drive voltage higher than VIN for the internal NPN power switch. A ceramic boost capacitor (typ. 0.47\u00b5F) is connected from BOOST to SW. Absolute max 55V (25V above SW)."+ "description": "Bootstrap pin used to generate a drive voltage higher than VIN for the internal NPN power switch. A ceramic boost capacitor (typ. 0.47µF) is connected from BOOST to SW. Absolute max 55V (25V above SW)." }, { "number": "8",@@ -80,19 +80,19 @@ "number": "9", "name": "PG", "type": "output",- "description": "Power-good open-drain output from an internal comparator. PG remains low until FB is within 10% of the final regulation voltage; it is valid once VIN > 4.2V and EN/UVLO is high. Sink capability typ. 350\u00b5A at 0.4V; leakage 0.01\u00b5A at 3V. Add an external pull-up resistor."+ "description": "Power-good open-drain output from an internal comparator. PG remains low until FB is within 10% of the final regulation voltage; it is valid once VIN > 4.2V and EN/UVLO is high. Sink capability typ. 350µA at 0.4V; leakage 0.01µA at 3V. Add an external pull-up resistor." }, { "number": "10", "name": "RT", "type": "passive",- "description": "Switching-frequency programming pin. Connect an external resistor from RT to GND to program the oscillator between 200kHz and 2.2MHz (e.g. 41.2k \u2192 2.15MHz, 158k \u2192 790kHz, 768k \u2192 195kHz)."+ "description": "Switching-frequency programming pin. Connect an external resistor from RT to GND to program the oscillator between 200kHz and 2.2MHz (e.g. 41.2k → 2.15MHz, 158k → 790kHz, 768k → 195kHz)." }, { "number": "11", "name": "GND (Exposed Pad)", "type": "power_in",- "description": "Exposed thermal pad on the underside of the DFN package. Electrically GND - must be soldered to the PCB ground plane for proper electrical and thermal performance (\u03b8JA = 40\u00b0C/W for the DD package)."+ "description": "Exposed thermal pad on the underside of the DFN package. Electrically GND - must be soldered to the PCB ground plane for proper electrical and thermal performance (θJA = 40°C/W for the DD package)." } ], "provenance": {@@ -302,5 +302,8 @@ "docs/lt3973edd-trpbf-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }