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EC9219 Datasheet(PDF) 5 Page - E-CMOS Corporation

Part # EC9219
Description  TFT- LCD DC-DC Converters with Operational Amplifiers
PDF  14 Pages
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Manufacturer  E-CMOS [E-CMOS Corporation]
Direct Link  http://www.ecmos.com.tw/
Logo E-CMOS - E-CMOS Corporation

EC9219 Datasheet(HTML) 5 Page - E-CMOS Corporation

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TFT- LCD DC-DC Converters with Operational Amplifiers
EC9219
P 5 / 14
2009/09/29
Typical Application Circuit
D1
BAT54S
1
3
2
C15
47nF
VIN
R4
NC
R10
0
FB
VCOM
C6
0.22uF
FSLC
C3
0.22uF
J1
VGFF= -6V/20mA
1
VDD
D3
BAT54S
1
3
2
VIN
C2
0.1uF
J5
CON1
1
C13
C12
Q2 2N3904
3
1
J2
VGON= +18V/20mA
1
C18
6.8nF
R8
13K_1%
C5
0.1uF
U1
EC9219
1
2
3
4
5
6
7
14
13
12
11
10
9
8
OPOUT
IN+
OPGND
COMP
FB
/SHDN
GND
IN-
OPVSUP
OPVCC
SS
FREQ
IN
LX
C4
0.1uF
/SHDN
D5
FM220
1
2
C7
C16
10pF
C1
0.1uF
J6
CON1
1
COMP
R3
87.6K_1%
Q1 2N3906
3
1
R11
1
3
R2
270
R7
NC
R13
12K_1%
VDD
SS
VDD
C8
VDD=9.6V
±0.2V
C10
J3
CON1
1
R12
13K_1%
J7
CON1
1
D2
6.8V
LX
C14
0.1UF
C17
0.1uF
C9
L1
10UH
R1
1K
C11
J4
CON1
1
R9
20K
R6 0
D4
18.8V
R5
10.5K_1%
LX
VIN
VIN
Figure 2



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