MIC4827 Micrel Semiconductor, MIC4827 Datasheet - Page 4

• Manufacturer Part Number: MIC4827
• Description: Low Input Voltage/ 180VPP Output Voltage/ EL Driver
• Manufacturer: Micrel Semiconductor

MIC4827
Typical Characteristics
MIC4827
240
220
200
180
160
140
120
100
120
100
60
50
40
30
20
10
80
60
40
20
80
60
40
20
0
0
0
-40 -20
7
6
5
4
3
2
1
0
0
1
1
R
R
R
R
Lamp = 2in
L = 220 H
C
D = BAV20WS
R
R
SW
EL
OUT
SW
EL
SW
EL
Switching Frequency
= 2M
= 442k
Total Input Current
1
= 1M
= 3.32M
Switch Resistance
= 0.1 F
= 562k
= 332k
vs. Input Voltage
INPUT VOLTAGE (V)
2
INPUT VOLTAGE (V)
TEMPERATURE ( C)
vs. Input Voltage
2
INPUT VOLTAGE (V)
vs. Input Voltage
vs. Temperature
Output Voltage
0
2
2
3
3
20 40 60 80 100
3
R
R
SW
EL
4
R
R
4
R
R
R
= 3.32M
V
Lamp = 2in
L = 220 H
C
D = BAV20WS
SW
SW
EL
= 332k
SW
4
SW
IN
OUT
R
R
= 3.0V
= 2M
= 332k
= 442k
SW
EL
= 562k
= 442k
= 0.1 F
5
5
= 1M
5
= 562k
2
6
6
6
1000
100
100
400
350
300
250
200
150
100
90
80
70
60
50
40
30
20
10
10
50
70
60
50
40
30
20
10
100
0
0
1
0
-40 -20
0
1
R
R
R
R
R
R
R
R
SW
EL
SW
EL
SW
EL
R
SW
EL
Switching Frequency
R
SWITCH RESISTOR (k )
EL
vs. Switch Resistor
Total Input Current
= 2M
EL
= 1M
1
= 3.32M
= 442k
= 562k
= 3.32M
= 332k
vs. Input Voltage
INPUT VOLTAGE (V)
vs. Input Voltage
2
INPUT VOLTAGE (V)
TEMPERATURE ( C)
= 332k
vs. Temperature
= 1M
= 2M
EL Frequency
0
CS Voltage
2
3
20 40 60 80 100
4
1000
3
R
EL
Lamp = 2in
L = 220 H
C
D = BAV20WS
4
V
Lamp = 2in
L = 220 H
C
D = BAV20WS
OUT
R
R
R
R
4
= 3.32M
IN
OUT
SW
EL
SW
EL
= 3.0V
= 0.1 F
= 0.1 F
= 1M
= 562k
=
5
=
5
2
2M
442k
2
10000
6
6
10000
1000
200
180
160
140
120
100
100
100
120
100
80
60
40
20
90
80
70
60
50
40
30
10
80
60
40
20
0
-40 -20
0.1
0
-40 -20
0
R
R
R
R
R
R
R
R
SW
EL
SW
EL
SW
EL
Switching Frequency
SW
EL
1
= 1M
= 2M
= 3.32M
= 562k
= 442k
= 332k
vs. Input Voltage
INPUT VOLTAGE (V)
= 3.32M
TEMPERATURE ( C)
TEMPERATURE ( C)
vs. Temperature
EL RESISTOR (M )
vs. Temperature
= 332k
Output Voltage
vs. EL Resistor
EL Frequency
0
0
CS Voltage
2
20 40 60 80 100
20 40 60 80 100
R
R
R
R
3
1
SW
Lamp = 2in 2
L = 220 H
C
D = BAV20WS
SW
EL
SW
OUT
R
= 1M
= 562k
September 2001
= 562k
V
Lamp = 2in
L = 220 H
C
D = BAV20WS
= 332k
SW
V
IN
OUT
4
R
R
= 0.1 F
IN
SW
EL
= 4.0V
= 442k
= 0.1 F
= 3.0V
=
=
5
2M
442k
2
10
6
Micrel