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	(paper "A5")
	(title_block
		(title "TO3 DC-DC buck converter")
		(date "2024-12-30")
		(rev "v1")
		(comment 1 "Get your 1541 back to life")
	)
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		(at 99.188529 53.36 180)
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		(descr "Capacitor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf, https://docs.google.com/spreadsheets/d/1BsfQQcO9C6DZCsRaXUlFlo91Tg2WpOkGARC1WS5S8t0/edit?usp=sharing), generated with kicad-footprint-generator")
		(tags "capacitor")
		(property "Reference" "C3"
			(at 0 -1.68 0)
			(layer "F.SilkS")
		)
		(property "Value" "0.015uF"
			(at 0 1.68 0)
			(layer "F.Fab")
		)
		(property "Footprint" "Capacitor_SMD:C_0805_2012Metric"
			(at 0 0 180)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Datasheet" ""
			(at 0 0 180)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Unpolarized capacitor"
			(at 0 0 180)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "C_*")
		(sheetname "Root")
		(sheetfile "TO3-DC-DC.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.95 0 180)
			(size 1 1.45)
			(layers "F.Cu" "F.Paste" "F.Mask")
			(roundrect_rratio 0.25)
			(net 5 "Net-(U1-SS)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.95 0 180)
			(size 1 1.45)
			(layers "F.Cu" "F.Paste" "F.Mask")
			(roundrect_rratio 0.25)
			(net 2 "GND")
			(pintype "passive")
		)
		(model "${KICAD8_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0805_2012Metric.wrl"
			(offset
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			(scale
				(xyz 1 1 1)
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			(rotate
				(xyz 0 0 0)
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	)
	(footprint "Resistor_SMD:R_0805_2012Metric"
		(layer "F.Cu")
		(at 100.958529 73.51 -90)
		(descr "Resistor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "resistor")
		(property "Reference" "R6"
			(at 1.21 1.818529 180)
			(layer "F.SilkS")
		)
		(property "Value" "1.91k"
			(at 0 1.65 90)
			(layer "F.Fab")
		)
		(property "Footprint" "Resistor_SMD:R_0805_2012Metric"
			(at 0 0 -90)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Datasheet" ""
			(at 0 0 -90)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Resistor"
			(at 0 0 -90)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "R_*")
		(sheetname "Root")
		(sheetfile "TO3-DC-DC.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 90)
			(layer "F.Fab")
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		(pad "1" smd roundrect
			(at -0.9125 0 270)
			(size 1.025 1.4)
			(layers "F.Cu" "F.Paste" "F.Mask")
			(roundrect_rratio 0.243902)
			(net 10 "Net-(U1-VSENSE)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.9125 0 270)
			(size 1.025 1.4)
			(layers "F.Cu" "F.Paste" "F.Mask")
			(roundrect_rratio 0.243902)
			(net 2 "GND")
			(pintype "passive")
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		(model "${KICAD8_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0805_2012Metric.wrl"
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			(scale
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			(rotate
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	(footprint "Resistor_SMD:R_0805_2012Metric"
		(layer "F.Cu")
		(at 105.628529 54.87 -90)
		(descr "Resistor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "resistor")
		(property "Reference" "R1"
			(at -0.87 -1.851471 180)
			(layer "F.SilkS")
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		(property "Value" "150k"
			(at 0 1.65 90)
			(layer "F.Fab")
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		(property "Footprint" "Resistor_SMD:R_0805_2012Metric"
			(at 0 0 -90)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Datasheet" ""
			(at 0 0 -90)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
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		(property "Description" "Resistor"
			(at 0 0 -90)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "R_*")
		(sheetname "Root")
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		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 90)
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		(pad "1" smd roundrect
			(at -0.9125 0 270)
			(size 1.025 1.4)
			(layers "F.Cu" "F.Paste" "F.Mask")
			(roundrect_rratio 0.243902)
			(net 1 "VIN")
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		(pad "2" smd roundrect
			(at 0.9125 0 270)
			(size 1.025 1.4)
			(layers "F.Cu" "F.Paste" "F.Mask")
			(roundrect_rratio 0.243902)
			(net 9 "EN")
			(pintype "passive")
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		(model "${KICAD8_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0805_2012Metric.wrl"
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			(scale
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			(rotate
				(xyz 0 0 0)
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	)
	(footprint "Capacitor_SMD:C_0805_2012Metric"
		(layer "F.Cu")
		(at 104.308529 71.02 -90)
		(descr "Capacitor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf, https://docs.google.com/spreadsheets/d/1BsfQQcO9C6DZCsRaXUlFlo91Tg2WpOkGARC1WS5S8t0/edit?usp=sharing), generated with kicad-footprint-generator")
		(tags "capacitor")
		(property "Reference" "C5"
			(at 2.4 0.018529 180)
			(layer "F.SilkS")
		)
		(property "Value" "47pF"
			(at 0 1.68 90)
			(layer "F.Fab")
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		(property "Footprint" "Capacitor_SMD:C_0805_2012Metric"
			(at 0 0 -90)
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			(hide yes)
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		(property "Datasheet" ""
			(at 0 0 -90)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Unpolarized capacitor"
			(at 0 0 -90)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "C_*")
		(sheetname "Root")
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		(attr smd)
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		(pad "1" smd roundrect
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			(net 7 "Net-(U1-COMP)")
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		(pad "2" smd roundrect
			(at 0.95 0 270)
			(size 1 1.45)
			(layers "F.Cu" "F.Paste" "F.Mask")
			(roundrect_rratio 0.25)
			(net 2 "GND")
			(pintype "passive")
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		(model "${KICAD8_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0805_2012Metric.wrl"
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			(scale
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			(rotate
				(xyz 0 0 0)
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	)
	(footprint "Capacitor_SMD:C_0805_2012Metric"
		(layer "F.Cu")
		(at 107.248529 70.31)
		(descr "Capacitor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf, https://docs.google.com/spreadsheets/d/1BsfQQcO9C6DZCsRaXUlFlo91Tg2WpOkGARC1WS5S8t0/edit?usp=sharing), generated with kicad-footprint-generator")
		(tags "capacitor")
		(property "Reference" "C4"
			(at 0.021471 1.81 0)
			(layer "F.SilkS")
		)
		(property "Value" "680pF"
			(at 0 1.68 0)
			(layer "F.Fab")
		)
		(property "Footprint" "Capacitor_SMD:C_0805_2012Metric"
			(at 0 0 0)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Unpolarized capacitor"
			(at 0 0 0)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "C_*")
		(sheetname "Root")
		(sheetfile "TO3-DC-DC.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.95 0)
			(size 1 1.45)
			(layers "F.Cu" "F.Paste" "F.Mask")
			(roundrect_rratio 0.25)
			(net 7 "Net-(U1-COMP)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.95 0)
			(size 1 1.45)
			(layers "F.Cu" "F.Paste" "F.Mask")
			(roundrect_rratio 0.25)
			(net 6 "Net-(C4-Pad2)")
			(pintype "passive")
		)
		(model "${KICAD8_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0805_2012Metric.wrl"
			(offset
				(xyz 0 0 0)
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			(scale
				(xyz 1 1 1)
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			(rotate
				(xyz 0 0 0)
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	(footprint "Resistor_SMD:R_0805_2012Metric"
		(layer "F.Cu")
		(at 110.838529 67.9175 90)
		(descr "Resistor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "resistor")
		(property "Reference" "R4"
			(at -2.5225 0.041471 180)
			(layer "F.SilkS")
		)
		(property "Value" "17.4K"
			(at 0 1.65 90)
			(layer "F.Fab")
		)
		(property "Footprint" "Resistor_SMD:R_0805_2012Metric"
			(at 0 0 90)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Datasheet" ""
			(at 0 0 90)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
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		(property "Description" "Resistor"
			(at 0 0 90)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "R_*")
		(sheetname "Root")
		(sheetfile "TO3-DC-DC.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 90)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.9125 0 90)
			(size 1.025 1.4)
			(layers "F.Cu" "F.Paste" "F.Mask")
			(roundrect_rratio 0.243902)
			(net 6 "Net-(C4-Pad2)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.9125 0 90)
			(size 1.025 1.4)
			(layers "F.Cu" "F.Paste" "F.Mask")
			(roundrect_rratio 0.243902)
			(net 2 "GND")
			(pintype "passive")
		)
		(model "${KICAD8_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0805_2012Metric.wrl"
			(offset
				(xyz 0 0 0)
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			(scale
				(xyz 1 1 1)
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			(rotate
				(xyz 0 0 0)
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	(footprint "Capacitor_SMD:C_0805_2012Metric"
		(layer "F.Cu")
		(at 94.298529 69.98 180)
		(descr "Capacitor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf, https://docs.google.com/spreadsheets/d/1BsfQQcO9C6DZCsRaXUlFlo91Tg2WpOkGARC1WS5S8t0/edit?usp=sharing), generated with kicad-footprint-generator")
		(tags "capacitor")
		(property "Reference" "C6"
			(at 0 -1.68 0)
			(layer "F.SilkS")
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		(property "Value" "22uF"
			(at 0 1.68 0)
			(layer "F.Fab")
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		(property "Footprint" "Capacitor_SMD:C_0805_2012Metric"
			(at 0 0 180)
			(unlocked yes)
			(layer "F.Fab")
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		(property "Datasheet" ""
			(at 0 0 180)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
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		(property "Description" "Unpolarized capacitor"
			(at 0 0 180)
			(unlocked yes)
			(layer "F.Fab")
			(hide yes)
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		(property ki_fp_filters "C_*")
		(sheetname "Root")
		(sheetfile "TO3-DC-DC.kicad_sch")
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		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
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		(pad "1" smd roundrect
			(at -0.95 0 180)
			(size 1 1.45)
			(layers "F.Cu" "F.Paste" "F.Mask")
			(roundrect_rratio 0.25)
			(net 8 "VOUT")
			(pintype "passive")
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		(pad "2" smd roundrect
			(at 0.95 0 180)
			(size 1 1.45)
			(layers "F.Cu" "F.Paste" "F.Mask")
			(roundrect_rratio 0.25)
			(net 2 "GND")
			(pintype "passive")
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		(model "${KICAD8_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0805_2012Metric.wrl"
			(offset
				(xyz 0 0 0)
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			(scale
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	(gr_line
		(start 107.718529 51.26)
		(end 119.518529 59.26)
		(layer "Edge.Cuts")
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	(gr_arc
		(start 119.518529 59.26)
		(mid 121.720692 63.51)
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		(start 83.418529 59.16)
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	(gr_text "VIN "
		(at 105.7771 58.76 0)
		(layer "B.Cu")
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	(gr_text "VOUT"
		(at 106.348529 69.63 0)
		(layer "B.Cu")
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	(gr_text "5V"
		(at 100.28 66.75 0)
		(layer "F.SilkS")
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	(zone
		(net 2)
		(net_name "GND")
		(layer "F.Cu")
		(hatch edge 0.5)
		(connect_pads
			(clearance 0.5)
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		(min_thickness 0.25)
		(filled_areas_thickness no)
		(fill yes
			(thermal_gap 0.5)
			(thermal_bridge_width 0.5)
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		(polygon
			(pts
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		(layer "B.Cu")
		(hatch edge 0.5)
		(connect_pads
			(clearance 0.5)
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		(min_thickness 0.25)
		(filled_areas_thickness no)
		(fill yes
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