SP4423 Datasheet, PDF (7/13 Pages) Sipex Corporation – Electroluminescent Lamp Driver Low Power Applications

Lamp Frequency vs. Lamp Size
250
200
Supply (V)
150
VDD = 2
100
VDD = 3
VDD = 4
VDD = 5
50
VDD = 6
0
0.0 1.0
2.0 3.0 4.0 5.0
Square Inches
6.0 7.0
C_OSC = 220pF, Coil = 9mH/35 ohms
I_TOTAL vs. Lamp Size
30
25
20
Supply (V)
15
VDD = 2
VDD = 3
10
VDD = 4
VDD = 5
5
VDD = 6
0
0.0 1.0
2.0 3.0 4.0 5.0
Square Inches
6.0 7.0
C_OSC = 220pF, Coil = 9mH/35 ohms
V_PEAK vs. Lamp Size
160
140
120
100
Supply (V)
80
VDD = 2
VDD = 3
60
VDD = 4
40
VDD = 5
VDD = 6
20
0
0.0 1.0
2.0 3.0
4.0 5.0
6.0 7.0
Square Inches
C_OSC = 220pF, Coil = 9mH/35 ohms
Light vs. Lamp Size
14
12
10
Supply (V)
8
VDD = 2
6
VDD = 3
VDD = 4
4
VDD = 5
VDD = 6
2
0
0.0 1.0
2.0 3.0 4.0 5.0
Square Inches
6.0 7.0
C_OSC = 220pF, Coil = 9mH/35 ohms
800
700
600
500
400
300
200
100
0
0.0
Lamp Frequency vs. Lamp Size
Osc Cap
COSC = 50
COSC = 75
COSC = 100
COSC = 180
COSC = 220
COSC = 360
1.0 2.0 3.0 4.0 5.0 6.0 7.0
Square Inches
V_DD = 3.0V, Coil = 9mH/35 ohms
I_TOTAL vs. Lamp Size
16
14
Osc Cap
12
COSC = 50
10
COSC = 75
COSC = 100
8
COSC = 180
6
COSC = 220
COSC = 360
4
2
0
0.0 1.0
2.0 3.0
4.0 5.0
6.0 7.0
Square Inches
V_DD = 3.0V, Coil = 9mH/35 ohms
V_PEAK vs. Lamp Size
160
140
Osc Cap
120
COSC = 50
100
COSC = 75
COSC = 100
80
COSC = 180
60
COSC = 220
COSC = 360
40
20
0
0.0 1.0
2.0 3.0
4.0 5.0
6.0 7.0
Square Inches
V_DD = 3.0V, Coil = 9mH/35 ohms
Light vs. Lamp Size
14
12
Osc Cap
10
COSC = 50
COSC = 75
8
COSC = 100
COSC = 180
6
COSC = 220
COSC = 360
4
2
0
0.0 1.0
2.0 3.0 4.0 5.0
Square Inches
6.0 7.0
V_DD = 3.0V, Coil = 9mH/35 ohms
SP4423DS/14
SP4423Electroluminescent Lamp Driver
7
© Copyright 2000 Sipex Corporation