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MP3801DH-LF-P
P1-P3
P4-P6
P7-P7
MP3801 – 190VPP HIGH VOLTAGE EL LAMP DRIVER
MP3801 Rev. 1.0
www.MonolithicPower.com
4
1/25/2010
MPS Proprietary Information. Unaut
horized Photoc
opy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
TYPICAL PERFORMANC
E CHARACTERISTICS
Input current vs.
Input V
oltage
2ms/div
.
1ms/div
.
1ms/div
.
2ms/div
.
2ms/div
.
2ms/div
.
Lamp Frequency vs.
Input V
oltage
260
265
270
275
280
285
290
2.
0
3.
0
4.
0
5.0
6.
0
V
IN
(V
)
V
IN
(V
)
LAMP FREQUENCY
(HZ)
0
5
10
15
20
25
30
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
INPUT CURRENT
(mA)
f
sw
vs. R
sw
f
SW
(kHz)
V
OUT
20V/div
V
A
50V/div
V
B
50V/div
V
AB
100V/div
V
OUT
20V/div
V
A
50V/div
V
B
50V/div
V
OUT
20V/div
V
A
50V/div
V
B
50V/div
V
OUT
20V/div
V
A
50V/div
V
B
50V/div
V
AB
100V/div
V
OUT
20V/div
V
A
50V/div
V
B
50V/div
V
AB
100V/div
V
OUT
20V/div
V
A
50V/div
V
B
50V/div
V
AB
100V/div
0
50
100
150
200
250
300
350
400
450
500
550
600
650
MP3801 – 190VPP HIGH VOLTAGE EL LAMP DRIVER
MP3801 Rev. 1.0
www.MonolithicPower.com
5
1/25/2010
MPS Proprietary Information. Unaut
horized Photoc
opy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
TYPICAL PERFORMANC
E CHARACTERISTICS
(continued)
1ms/div
.
1ms/div
.
1ms/div
.
1ms/div
.
1ms/div
.
V
OUT
20V/div
V
A
50V/div
V
B
50V/div
V
OUT
20V/div
V
A
50V/div
V
B
50V/div
V
OUT
20V/div
V
A
50V/div
V
B
50V/div
V
OUT
20V/div
V
A
50V/div
V
B
50V/div
V
OUT
20V/div
V
A
50V/div
V
B
50V/div
1ms/div
.
V
OUT
20V/div
V
A
50V/div
V
B
50V/div
MP3801 – 190VPP HIGH VOLTAGE EL LAMP DRIVER
MP3801 Rev. 1.0
www.MonolithicPower.com
6
1/25/2010
MPS Proprietary Information. Unaut
horized Photoc
opy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
BLOCK DIAGRAM
2
Switch
OSC
V
DD
R
SW_OSC
GND
R
SW
R
EL
C
IN
EL
OSC
EL
Lamp
EL
Driver
Q4
Q3
Q2
Q1
Ref
--
+
1
R
EL_OSC
V
B
V
A
C
S
C
OUT
D1
L1
L
X
3
4
7
8
6
5
V
IN
Figure 1—Functional Block Diagram
P1-P3
P4-P6
P7-P7
MP3801DH-LF-P
Mfr. #:
Buy MP3801DH-LF-P
Manufacturer:
Monolithic Power Systems (MPS)
Description:
LED Lighting Drivers 200VPP High Voltage EL Lamp Driver
Lifecycle:
New from this manufacturer.
Delivery:
DHL
FedEx
Ups
TNT
EMS
Payment:
T/T
Paypal
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MoneyGram
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Union
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