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LT3045_breakout.sch
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LT3045_breakout.sch
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EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:Linear Technology
LIBS:net-tie
LIBS:LT3045_breakout-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "LT3045 Breakout Board"
Date "2017-12-14"
Rev "v1.1"
Comp ""
Comment1 "Copyright (©) 2017, Patrick Baus <[email protected]>"
Comment2 "Licensed under CERN OHL v.1.2"
Comment3 ""
Comment4 ""
$EndDescr
$Comp
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F 1 "CONN_01X03" H 1450 2700 50 0000 L CNN
F 2 "Pin_Headers:Pin_Header_Angled_1x03_Pitch2.54mm" H 2000 2800 50 0001 C CNN
F 3 "" H 2000 2800 50 0001 C CNN
F 4 "Amphenol" H 2000 2800 60 0001 C CNN "MFN"
F 5 "68016-403HLF" H 2000 2800 60 0001 C CNN "MFP"
1 2000 2800
1 0 0 1
$EndComp
$Comp
L GND #PWR01
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F 0 "#PWR01" H 2600 2600 50 0001 C CNN
F 1 "GND" H 2605 2677 50 0000 C CNN
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F 3 "" H 2600 2850 50 0001 C CNN
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1 0 0 -1
$EndComp
Wire Wire Line
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Wire Wire Line
2600 2800 2600 2850
$Comp
L LT3045EDD U1
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F 0 "U1" H 5050 3237 60 0000 C CNN
F 1 "LT3045EDD" H 5050 3131 60 0000 C CNN
F 2 "Housings_DFN_QFN:DFN-10-1EP_3x3mm_Pitch0.5mm" H 5050 3300 60 0001 C CNN
F 3 "" H 5050 3150 60 0001 C CNN
F 4 "Linear Technology" H 5800 2450 60 0001 C CNN "MFN"
F 5 "LT3045EDD" H 5650 2300 60 0001 C CNN "MFP"
1 5050 2800
1 0 0 -1
$EndComp
Wire Wire Line
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Wire Wire Line
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Connection ~ 4200 2700
$Comp
L R R1
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F 0 "R1" H 4870 3646 50 0000 L CNN
F 1 "120k" H 4870 3555 50 0000 L CNN
F 2 "Resistors_SMD:R_0603" V 4730 3600 50 0001 C CNN
F 3 "" H 4800 3600 50 0001 C CNN
F 4 "Susumu" H 4800 3600 60 0001 C CNN "MFN"
F 5 "RR0816P-124-D" H 4800 3600 60 0001 C CNN "MFP"
1 4800 3600
1 0 0 -1
$EndComp
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 4800 3350
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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$Comp
L GND #PWR02
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F 1 "GND" H 4805 3777 50 0000 C CNN
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F 3 "" H 4800 3950 50 0001 C CNN
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$EndComp
Connection ~ 4800 3850
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L GND #PWR03
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F 1 "GND" H 5055 3777 50 0000 C CNN
F 2 "" H 5050 3950 50 0001 C CNN
F 3 "" H 5050 3950 50 0001 C CNN
1 5050 3950
1 0 0 -1
$EndComp
$Comp
L R R2
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F 3 "" H 5300 3600 50 0001 C CNN
F 4 "Susumu" H 5300 3600 60 0001 C CNN "MFN"
F 5 "RR0816P-301-D" H 5300 3600 60 0001 C CNN "MFP"
1 5300 3600
1 0 0 -1
$EndComp
$Comp
L GND #PWR04
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1 0 0 -1
$EndComp
Wire Wire Line
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Wire Wire Line
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L NET-TIE W1
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F 1 "NET-TIE" H 6050 2934 50 0000 C CNN
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-1 0 0 -1
$EndComp
Wire Wire Line
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F 3 "" H 6500 2950 50 0001 C CNN
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F 5 "GRM188R6YA106MA73D" H 6500 2950 60 0001 C CNN "MFP"
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1 6500 2950
1 0 0 -1
$EndComp
Wire Wire Line
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Wire Wire Line
6500 2700 6500 2800
Wire Wire Line
6500 2700 6150 2800
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L GND #PWR05
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1 0 0 -1
$EndComp
Connection ~ 6500 2700
Wire Wire Line
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1 0 0 -1
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$Comp
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1 0 0 -1
$EndComp
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Wire Wire Line
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F 3 "" H 4450 3600 50 0001 C CNN
F 4 "Murata" H 4450 3600 60 0001 C CNN "MFN"
F 5 "GRM188R6YA106MA73D" H 4450 3600 60 0001 C CNN "MFP"
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1 4450 3600
1 0 0 -1
$EndComp
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Text Label 2250 2900 0 60 ~ 0
out
Wire Wire Line
7000 3850 7000 3800
$Comp
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1 0 0 -1
$EndComp
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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$EndComp
Text Notes 6350 2450 0 60 ~ 0
PG functionality is required,\nbecause we want the fast-startup\nfeature.
Wire Wire Line
2200 2700 4300 2700
Text Notes 3300 3650 0 60 ~ 0
V_out = 100 µA * R
Text Notes 5650 3650 0 60 ~ 0
I_lim = 150 kΩ / R * mA
Text Notes 7300 3450 0 60 ~ 0
V_PG = 0.3 V * (1 + R3/R2)
Text Notes 8250 3100 0 60 ~ 0
Values R1, R2, R3 were calculated for\nVout = 12 V\nV_PG = 11 V
Text Label 2250 2700 0 60 ~ 0
in
$EndSCHEMATC