Rainbow Electronics MAX14514 - Manual (Page 7)

MAX14514
Dual Electroluminescent Lamp Driver
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BOOST CONVERTER FREQUENCY vs. C SW
MAX14514 toc16
C SW (pF)
BOOST CONVERTER FREQUENCY (Hz)
130 180
20
60
100
40
80
120
140
0
80
BOOST CONVERTER FREQUENCY
vs. SUPPLY VOLTAGE
MAX14514 toc17
SUPPLY VOLTAGE (V)
BOOST CONVERTER FREQUENCY (kHz)
3.4 4.1 4.8
112
116
120
122
126
114
118
124
128
130
110
2.7 5.5
BOOST CONVERTER FREQUENCY
vs. TEMPERATURE
MAX14514 toc18
TEMPERATURE ( °C)
BOOST CONVERTER FREQUENCY (kHz)
35 60 -15 10
112
116
120
122
126
114
118
124
128
130
110
-40 85
OUTPUT VOLTAGE SLOPE vs. R SLEW
MAX14514 toc19
R SLEW (k Ω)
OUTPUT VOLTAGE SLOPE (V/100
μ
s)
500 700 400 800 900 600
10
20
25
30
40
15
35
45
5
300 1000
OUTPUT VOLTAGE SLOPE
vs. SUPPLY VOLTAGE
MAX14514 toc20
SUPPLY VOLTAGE (V)
OUTPUT VOLTAGE SLOPE (V/100
μ
s)
3.4 4.1 4.8
28
30
32
34
36
26
29
31
33
35
27
2.7 5.5
OUTPUT VOLTAGE SLOPE
vs. TEMPERATURE
MAX14514 toc21
TEMPERATURE ( °C)
OUTPUT VOLTAGE SLOPE (V/100
μ
s)
35 60 -15 10
28
30
32
34
36
26
29
31
33
35
27
-40 85
SLOW TURN-ON/TURN-OFF TIME vs. C
CAP
MAX14514 toc22
C CAP (nF)
SLOW TURN-ON/TURN-OFF TIME (s)
6 8 2 4
0.2
0.4
0.6
0.8
1
0
0.3
0.5
0.7
0.9
0.1
0 10
V DD = 5.5V
DIM1 = 0V to V DD
DIM2 = GND
NORMALIZED BRIGHTNESS LEVEL
vs. SUPPLY VOLTAGE
MAX14514 toc23
SUPPLY VOLTAGE
NORMALIZED BRIGHTNESS LEVEL
3.4 4.1 4.8
0.4
0.8
1.2
1.6
2
0
0.6
1
1.4
1.8
0.2
2.7 5.5
TYPICAL V_, V COM , AND
V_ - V COM WAVEFORMS
MAX14514 toc24
V_ - V COM
50V/div
V_, V COM
25V/div
1ms/div
Typical Operating Characteristics (continued)
(V DD = +3.6V, T A = +25°C, unless otherwise noted.)