CPC6826
2. Typical Application A
Figure 1. Typical Application A Circuit Diagram
VDD = 3V
5
6
VDD
1
CPC6826
2
Switch
Osc
Q
Q
EL Lamp
1.6 in2
8
Enable Signal
Vsen
+
Output
Osc
ON = VDD
OFF = 0
Disable
-
Vref
Q
Q
2
7
3
4
1N4148
1
LX
+
+
VIN
_
Operating Voltage: VDD = 1.8V to 4.0V
EL Lamp Size: Up to 3.0 in2
1 LX = Murata LQH43MN221K03
2 1N4148 or equivalent
Light Intensity: 39 to 135 Lux
2.1 Typical Application A Performance
V
I
V
f
f
T
A
Device
Lamp Size
Brightness
IN
IN
CS
SW
EL
1.6 in2
CPC6826
1.5V
26.65mA
56V
79.6KHz
348Hz
Lux 39
-40ºC to +85ºC
Figure 2. Typical EL Output Waveform 348Hz
CH1: VA=50V/div
M1=110VP-P
CH1=56V
CH2=56V
CH1: VB=50V/div
M1: VA-VB=40V/div
R00C
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