IMP803 Ver la hoja de datos (PDF) - IMP, Inc
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IMP803 Datasheet PDF : 8 Pages
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IMP803
Application Information
Test and Application Circuit, 3.0V
Figure 1 shows the IMP803 configured to drive a 3-square-inch
EL lamp, represented as a 10nF capacitor. With a 3.0V input, the
EL lamp will be driven to moderate brightness.
ON = VDD
OFF = 0V
2MΩ
REL
+
VIN = 3.0V –
560µH1 L
1N4148
750kΩ
RSW
0.1µF2
0.1µF
CS
100V
1 VDD
REL-OSC 8
2 RSW-OSC
VA 7
3 CS
VB 6
4 LX
GND 5
2kΩ
RCL
IMP803
Note:
1. Murata part # LQH4N561K04 (DC resistance <14.5 Ω)
2. Larger values may be required depending upon supply impedance.
Figure 1. 3.0V Application
10nF
Equivalent to
3 in2 lamp
803_09.eps
Test and Application Circuit, 5.0V
Figure 2 shows a 5.0V input application driving a 6-square-inch
EL lamp.
ON = VDD
OFF = 0V
2MΩ
REL
+
VIN = 5.0V –
560µH1 L
1N4148
750kΩ
RSW
0.1µF2
0.1µF
CS
100V
1 VDD
REL-OSC 8
2 RSW-OSC
VA 7
3 CS
VB 6
4 LX
GND 5
2kΩ
RCL
IMP803
Note:
1. Murata part # LQH4N561K04 (DC resistance <14.5 Ω)
2. Larger values may be required depending upon supply impedance.
Figure 2. 5.0V Application
6 in2 lamp
803_10.eps
© 2000 IMP, Inc.
Electroluminescent Lamp Driver
5
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