mc33441dtbr2 ON Semiconductor, mc33441dtbr2 Datasheet - Page 6

• Manufacturer Part Number: mc33441dtbr2
• Description: Electroluminescent Lamp Driver Ic
• Manufacturer: ON Semiconductor

Figure 6. Current Consumption versus Coil Inductance
300
250
200
150
100
138
136
134
132
130
128
126
124
122
120
50
25
20
15
10
0
5
0
50K
0.56
50K
Figure 4. Oscillator Frequency versus R
V
Lamp Freq. = 365 Hz
EL lamp = 2.2 nF
DD
Figure 8. Output Voltage versus R
= 2.65 V
75K
0.82
75K
COIL INDUCTANCE (mH)
R
R
EXT
EXT
100K
100K
1
(Ω)
(Ω)
TYPICAL OPERATING CHARACTERISTICS
V
Coil = 1 mH
EL Lamp = 2.2 nF
V
Coil = 1 mH
EL lamp = 2.2 nF
DD
DD
= 2.65 V
1.33
150K
150K
= 2.65 V
EXT
EXT
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200K
200K
1.47
6
700
600
500
400
300
200
100
150
145
140
135
130
125
120
115
110
30
25
20
15
10
0
5
0
1.8
Figure 9. Output Voltage versus Coil Inductance
50K
0.56
Figure 7. Current Consumption versus V
Coil = 1 mH
Lamp Freq. = 365 Hz
EL Lamp = 2.2nF
V
Lamp Freq. = 365 Hz
EL Lamp = 2.2 nF
Figure 5. Lamp Frequency versus R
DD
= 2.65 V
0.82
75K
2
COIL INDUCTANCE (mH)
VDD (V)
R
EXT
100K
2.65
1
(Ω)
V
Coil = 1 mH
EL lamp = 2.2 nF
DD
150K
1.33
= 2.65 V
3
EXT
DD
200K
1.47
3.5