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零件编号
产品描述 (功能)
MAX686 查看數據表(PDF) - Maxim Integrated
零件编号
产品描述 (功能)
生产厂家
MAX686
DAC-Controlled Boost/Inverter LCD Bias Supply with Internal Switch
Maxim Integrated
MAX686 Datasheet PDF : 16 Pages
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DAC-Controlled Boost/Inverter
LCD Bias Supply with Internal Switch
V
IN
= 0.8V TO 27.5V
15
µ
F
V
CC
= 2.7V TO 5.5V
0.1
µ
F
DAC CONTROL
ON/OFF
L1
22
µ
H
V
CC
LX
V
DD
DACOUT
LCDON
FB
MAX686
UP
DN
POK
SHDN
REF
POL
GND
ISET
PGND
D1
MBR0530L
R2
R3
4.7
µ
F
C
F
22pF
V
OUT
0.1
µ
F
R1
0.1
µ
F
Figure 1. Boost Configuration: Positive Output Voltage
V
IN
= 0.8V TO 27.5V
15
µ
F
V
CC
= 2.7V TO 5.5V
0.1
µ
F
DAC CONTROL
ON/OFF
L1
22
µ
H
V
CC
LX
V
DD
DACOUT
POL
LCDON
FB
MAX686
UP
DN
REF
SHDN
POK
ISET
GND
PGND
R4
2
Ω
2.2
µ
F
D2
MBRO530L
R3
D1
MBRO530L
R1
0.1
µ
F
C
F
100pF
R2
NEGATIVE
OUTPUT
VOLTAGE
V
IN
≤
|
V
OUT
|
≤
27.5V
2.2
µ
F
Figure 2. Negative Output Voltage Application Circuit
8 _______________________________________________________________________________________
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