SP4423 Datasheet, PDF (8/13 Pages) Sipex Corporation – Electroluminescent Lamp Driver Low Power Applications

900
800
700
600
500
400
300
200 _X
100
0
2.0
Lamp Frequency vs. V_DD
X
X
X
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Volts
Oscillator Cap
COSC = 50
COSC = 75
COSC = 100
X COSC = 180
COSC = 220
X
COSC = 360
6.0
Lamp = 1sq. in., Coil = 9mH/35 ohms
40
35
30
25
20
15
10
X
5
I_TOTAL vs. V_DD
X
X
X
Oscilltor Cap
COSC = 50
COSC = 75
COSC = 100
X
X COSC = 180
COSC = 220
COSC = 360
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
VDD (Volts)
Lamp = 1sq. in., Coil = 9mH/35 ohms
160
V_PEAK vs. V_DD
X
X
X
140
120
X
100
80
60 ^X
40
20
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
VDD (Volts)
Lamp = 1sq. in., Coil = 9mH/35 ohms
Oscillator Cap
COSC = 50
COSC = 75
COSC = 100
X COSC = 180
COSC = 220
COSC = 360
25
Light vs. V_DD
Oscillator Cap
20
COSC = 50
X
COSC = 75
15
X
COSC = 100
X
X COSC = 180
10
COSC = 220
X
COSC = 360
5
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
VDD (Volts)
Lamp = 1sq. in., Coil = 9mH/35 ohms
SP4423DS/14
SP4423 Electroluminescent Lamp Driver
8
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