MAX14514 Datasheet, PDF (6/14 Pages) Maxim Integrated Products – Dual Electroluminescent Lamp Driver

Dual Electroluminescent Lamp Driver
Typical Operating Characteristics (continued)
(V_DD = +3.6V, T_A = +25°C, unless otherwise noted.)
PEAK-TO-PEAK OUTPUT VOLTAGE
vs. TEMPERATURE
250
200
150
100
50
PEAK-TO-PEAK OUTPUT VOLTAGE
vs. DIM VOLTAGE
250
DIM1 = DIM2
200
V_DD = 5.5V
V_DD = 4.6V
150
V_DD = 3.6V
100
V_DD = 2.7V
50
PEAK-TO-PEAK OUTPUT VOLTAGE
vs. DIM DUTY CYCLE
250
DIM1 = DIM2
V_DD = 5.5V
200
f_DIM = 1MHz
f_DIM = 200kHz
150
100
50
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
RMS OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
90
80
70
60
50
40
30
20
10
0
2.7
3.4
4.1
4.8
5.5
SUPPLY VOLTAGE (V)
EL SWITCHING FREQUENCY vs. C_EL
600
500
400
300
200
100
0
0.5
1
1.5
2
2.5
C_EL (nF)
0
0.35
0.85
1.35
DIM VOLTAGE (V)
AVERAGE OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
700
600
500
400
300
200
100
0
2.7
3.4
4.1
4.8
5.5
SUPPLY VOLTAGE (V)
EL SWITCHING FREQUENCY
vs. SUPPLY VOLTAGE
235
234
233
232
231
230
229
228
227
226
225
2.7
3.4
4.1
4.8
5.5
SUPPLY VOLTAGE (V)
0
20
40
60
80
DUTY CYCLE (%)
AVERAGE OUTPUT VOLTAGE
vs. TEMPERATURE
700
600
500
400
300
200
100
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
EL SWITCHING FREQUENCY
vs. TEMPERATURE
270
260
250
240
230
220
210
200
190
180
-40 -15
10
35
60
85
TEMPERATURE (°C)
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