MAX4990E Maxim Integrated Products, MAX4990E Datasheet - Page 5

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

(V
C
EL
DD
500
400
300
200
100
= 1.2nF, T
210
205
200
195
190
185
180
120
100
80
60
40
20
= +3.6V, C
0
0
-40
2.4
0.5
R
SLEW
EL SWITCHING FREQUENCY vs.C
PEAK-TO-PEAK OUTPUT VOLTAGE
= 390kΩ
3.0
-15
A
RMS OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
1.0
= +25°C, unless otherwise noted.)
vs. TEMPERATURE
LAMP
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
3.6
10
_______________________________________________________________________________________
C
= 10nF, C
EL
1.5
(nF)
4.2
35
2.0
4.8
CS
60
= 3.3nF, L
EL
High-Voltage, ±15kV ESD-Protected
5.4
2.5
85
X
Electroluminescent Lamp Driver
-1000
Typical Operating Characteristics (continued)
= 220µH (I
-100
-200
-300
-400
-500
-600
-700
-800
-900
190
185
180
175
170
300
250
200
150
100
50
0
0
0.35
2.4
2.4
V
DD
PEAK-TO-PEAK OUTPUT VOLTAGE
= 4.5V
AVERAGE OUTPUT VOLTAGE
EL SWITCHING FREQUENCY
0.54
3.0
3.0
SAT
vs. SUPPLY VOLTAGE
vs. SUPPLY VOLTAGE
vs. DIM VOLTAGE
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
DIM VOLTAGE (V)
= 170mA, R
0.73
3.6
3.6
4.2
4.2
0.92
S
4.8
4.8
1.11
= 5.5Ω), R
5.4
5.4
1.30
SLEW
-1000
-100
-200
-300
-400
-500
-600
-700
-800
-900
300
250
200
150
100
190
185
180
175
170
50
= 390kΩ, DIM = V
0
0
-40
-40
20
PEAK-TO-PEAK OUTPUT VOLTAGE
AVERAGE OUTPUT VOLTAGE
EL SWITCHING FREQUENCY
-15
-15
vs. DIM DUTY CYCLE
vs. TEMPERATURE
vs. TEMPERATURE
DIM DUTY CYCLE (%)
TEMPERATURE (°C)
TEMPERATURE (°C)
40
www.DataSheet4U.com
f
DIM
10
10
f
DIM
= 200kHz
= 1MHz
DD
, C
35
35
60
SW
= 100pF,
60
60
80
85
85
5