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Номер в каталоге
Компоненты Описание
MAX1889 Просмотр технического описания (PDF) - Maxim Integrated
Номер в каталоге
Компоненты Описание
производитель
MAX1889
Triple-Output TFT LCD Power Supply with Fault Protection
Maxim Integrated
MAX1889 Datasheet PDF : 32 Pages
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Triple-Output TFT LCD Power Supply
with Fault Protection
V
IN
2.7V TO 5.5V
R2
51.1k
Ω
1%
R1
10
Ω
C1
0.47
µ
F
P1
C2
3.3
µ
F
6.3V
C22
C23
1000pF
100pF
R3
150k
Ω
1%
R5
R4
1M
Ω
1M
Ω
V
NL
-7V
REF
V
MAIN
LX
C8
0.1
µ
F
D2
C9
0.15
µ
F
Q1
C10
1
µ
F
R8
3k
Ω
C24
2200pF
R9
150k
Ω
1%
R19
15k
Ω
C19
1000pF
R10
24.3k
Ω
1%
R14
221k
Ω
C3
3.3
µ
F
6.3V
L1
4.7
µ
H
R15
43.2k
Ω
R16
1%
150k
Ω
1%
LX
D1
13
OCN
15
GATE
14
OCP
11
R6
LX
75k
Ω
1%
FB
5
R7
12.1k
Ω
1%
16
IN
TGND
12
C4
4.7
µ
F
10V
R17
1M
Ω
C5
4.7
µ
F
10V
C6
4.7
µ
F
10V
C16
0.01
µ
F
R18
10k
Ω
C17
220pF
V
MAIN
9V
1
SHDN
10
FREQ
MAX1889
7
DRVN
6
FBN
OPTIONAL
REF
4
C7
0.22
µ
F
GND
3
2
PGND
C20
470pF
REF
LX
C11
C12
R11
D3
0.1
µ
F
D4
0.1
µ
F
3k
Ω
C13
0.15
µ
F
C14
0.1
µ
F
R20
DRVP
8
51k
Ω
Q2
R12
301k
Ω
FBP
9
1%
V
PL
+20V
R13
C15
20k
Ω
1
µ
F
1%
C21
1000pF
OPTIONAL
EXTERNAL LOGIC SIGNAL
(ENABLE = LOW)
EXTERNAL LOGIC SIGNAL
(ENABLE = LOW)
ANALOG GROUND
(GND)
POWER GROUND
(PGND)
Figure 1. Standard Application Circuit
______________________________________________________________________________________ 11
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