name: AMS1117 variations: SOT89, SOT223 description: low drop out voltage regulator keywords: IC, regulator # the AMS1117 I had used the SOT89-3 package, but I could not find the corresponding datasheet # the closest I could find is Diodes AP1117 https://www.diodes.com/assets/Datasheets/AP1117_R21.pdf # this SOT89-3 package measurement are provided by JEDEC TO-243 # I used the SOT89 package footprint provided by TI https://www.nxp.com/docs/en/package-information/SOT89.pdf pinout: GND: 1 VOUT: 2 VIN: 3 properties: power: VIN output: VOUT ground: GND schematic: symbol: IC left: VIN right: VOUT bottom: GND housing@SOT89: pattern: custom bodyWidth: 4.4-4.8 # D bodyLength: 2.4-2.6 # E leadSpan: 3.75-4.25 # HE leadWidth: 0.35-0.48 # bp1 leadLength: 0.8-1.2 # Lp height: 1.4-1.6 # A pitch: 3.0 # e1 numbers: 1, 3 padWidth: 0.7 padHeight: 1.1 padPosition: -1.5, 1.8, 1.5, 1.8 # 2.5/2 + 1.1/2 numbers1: 2 padWidth1: 0.7 padHeight1: 1.8 # 4.6 - 0.9 - 0.2 - 1.2 - 0.5 padPosition1: 0, 1.45 # 2.5/2 + 1.1 - 1.8/2 # tab numbers2: 2 padWidth2: 2.0 padHeight2: 2.8 padPosition2: 0, -0.85 # 2.5/2 + 1.1 - 1.8 - 2.8/2 housing@SOT223: pattern: custom bodyWidth: 6.3-6.7 # D bodyLength: 3.3-3.7 # E1 leadSpan: 4.6 # e1 leadWidth: 0.6-0.8 leadLength: 0.9 # L height: 1.8 # A pitch: 2.3 # e rowCount: 1 columnCount: 3 padWidth: 0.95 padHeight: 2.15 horizontalPitch: 2.3 rowDY: 2.9 # tab numbers1: 2 padWidth1: 3.25 padHeight1: 2.15 padPosition1: 0, -2.9