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38
150B LCD
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+18VCC
+18VCC
+5VDC
5004
2
1
4U7H
2014
2013
100nF
100nF
TP78-79
2011
470uf/25v/DIP
5001
1002
ACM0706-102-2P-T
1
1
2005
2
2.2U/1206
TP61-63
3
DC-PWR-JACK
TP74-75
DCINGND
DCINGND
18V_ON
+5V
3006
10K/0805
3004
100R/0805
1
7012
BACKLIGHT_CTL
BC848C
0.1U/0805
Back
DC-DC Converter Schematic Diagram & Waveforms
2016
470U/25V/DIP
2015
100nF
7003
150uH/SLF12575/101K
1
VIN
5002
2
1
SW
3
58
1
GROUND
TP70-71
4
6003
FB
MBRS340LT3
5
SHDN
SI8050S/LF1106
2017
LM2596S-5.0
22N/0805
1004
SSQ4
1
2
+18V
2006
2.2U/1206
1 2 3
3010
4
10K/0805
8
7
6
5
3007
7004
1
BC848C
120K/0805
TP64-69
+18VCC
+18VCC
1
1
1
BRIGHT_CTL
1
3003
1
100R/0805
1
2007
NI
58 7003-2
59 7006-2
5 V/div AC
5 V/div AC
10 uS/div
5 uS/div
2022
470U/25V/DIP
(1000U/25V)
7006
1
VIN
2
SW
1
3
GROUND
1
TP72-73
4
FB
5
SHDN
SI8033S/LF1106
2020
LM2596S-5.0
0.01U/0805
DEVIATION LIST BY USING DIFFERENT SWITCHING .
POSITION
SANKEN
MOTOROLA
+18V
2017
22nF/0805
X
2020
10nF/0805
X
3010
X
0R/PM5/0805
3020
X
0R/PM5/0805
7005
SI4835
3050
0R/PM5/0805
0R/PM5/0805
3051
X
X
3033
0R/PM5/0805
0R/PM5/0805
3034
X
X
+18VCC
+18VCC
6050
X
X
6033
X
X
5002
150uH/PSC1716H-151Y2R5
150uH/PSC1716H-151Y2R5
5003
150uH/PSC1716H-151Y2R5
150uH/PSC1716H-151Y2R5
7003
Si8050S
LM2576-5
7006
Si8033S
LM2576-3.3
RUBBER PAD OF 7003
IMPLEMENTED
X
RUBBER PAD OF 7006
IMPLEMENTED
X
1
2
3
4
5
6
1003
2021
100nF
59
150uH/SLF12575/470K
5003
5005
10U
6004
2028
100nF
MBRS340LT3
TP76-77
REGULATORs
NS
MICREL
X
X
X
X
0R/PM5/0805
0R/PM5/0805
0R/PM5/0805
0R/PM5/0805
0R/PM5/0805
0R/PM5/0805
X
X
0R/PM5/0805
0R/PM5/0805
X
X
X
X
X
X
68uH/PSC1716H-680K3R0
33uH/PSC1716H-330K3R5
68uH/PSC1716H-680K3R0
33uH/PSC1716H-330K3R5
LM2596S-5.0
MIC4576-5.0BT
LM2596S-3.3
MIC4576-3.3BT
X
X
X
X
+3V3
2026
470uf/25v/DIP
SHARP
22nF/0805
10nF/0805
X
X
3K/PM1/0805
1K/PM1/0805
1K62/PM1/0805
1K/PM1/0805
SS34
SS34
68uH/PSC1716H-680K3R0
68uH/PSC1716H-680K3R0
PQ1CY1032ZP
PQ1CY1032ZP
X
X
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