MAX4990E Maxim Integrated Products, MAX4990E Datasheet - Page 6

• Manufacturer Part Number: MAX4990E
• Description: High-Voltage +-15kV ESD-Protected Electroluminescent Lamp Driver
• Manufacturer: Maxim Integrated Products

High-Voltage, ±15kV ESD-Protected
Electroluminescent Lamp Driver
6
(V
C
EL
DD
_______________________________________________________________________________________
= 1.2nF, T
160
120
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
80
40
40
35
30
25
20
15
10
= +3.6V, C
0
5
0
0
300
BOOST CONVERTER FREQUENCY vs. C
80
0
R
R
SLOW TURN-ON/-OFF TIME vs. C
OUTPUT VOLTAGE SLOPE vs. R
DIM
SLEW
400
= 390kΩ
0.6
= 390kΩ
A
115
500
= +25°C, unless otherwise noted.)
LAMP
1.2
R
600
C
C
SLEW
DIM
= 10nF, C
SW
150
1.8
(pF)
(μF)
(kΩ)
700
t
t
OFF
ON
2.4
800
185
CS
3.0
900 1000
SLEW
= 3.3nF, L
DIM
SW
3.6
220
X
Typical Operating Characteristics (continued)
= 220µH (I
110
105
100
95
90
32
30
28
26
24
22
25
20
15
10
5
0
BRIGHTNESS AND TOTAL INPUT CURRENT
2.4
2.4
2.4
- - - - SUPPLY CURRENT
C
LAMP
BOOST CONVERTER FREQUENCY
3.0
= 20nF
3.0
3.0
OUTPUT VOLTAGE SLOPE
SAT
vs. SUPPLY VOLTAGE
vs. SUPPLY VOLTAGE
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
= 170mA, R
3.6
3.6
3.6
4.2
4.2
4.2
S
4.8
4.8
4.8
= 5.5Ω), R
MAX4990E toc23
5.4
5.4
5.4
30
26
22
18
14
10
SLEW
110
105
100
32
30
28
26
24
22
95
90
= 390kΩ, DIM = V
-40
-40
BOOST CONVERTER FREQUENCY
-15
-15
OUTPUT VOLTAGE SLOPE
TYPICAL V
V
vs. TEMPERATURE
vs. TEMPERATURE
A
TEMPERATURE (°C)
TEMPERATURE (°C)
www.DataSheet4U.com
- V
-10
10
B
WAVEFORMS
1ms/div
DD
A
, V
, C
35
35
B
, AND
SW
= 100pF,
80
60
MAX4990E toc24
85
85
V
100V/div
V
50V/div
V
50V/div
A
A
B
- V
B