hv826 Supertex, Inc., hv826 Datasheet - Page 3

• Manufacturer Part Number: hv826
• Description: High Voltage El Lamp Driver Ic
• Manufacturer: Supertex, Inc.

Fig.1: Typical Application
Typical Performance Curves for Fig.1
Typical Performance
Notes:
1. Murata part # LQH4N221K04 (DC resistance < 14.5Ω)
Lamp Size
1.6in
100
8
6
4
2
0
80
60
40
20
V
2
1
0
IN
+
_
1
ON = V
OFF = 0
DD
V
DD
1.5V
4.7µF
V
= 3V
2
IN
B
2
rightness
V
CS
90
80
70
60
50
40
30
20
10
V
0
V
IN
Enable Signal
vs. V
IN
(V)
35mA
(V)
vs. V
I
DD
100
IN
560KΩ
1.0MΩ
3
3
IN
I
IN
, V
220
66V
V
1
2
3
4
CS
CS
V
HV826LG/MG
, B
VDD
RSW-Osc
REL-Osc
DD
GND
I
nductor
= 3.0V
rightness vs.
(1.6in
4
4
330
V
345Hz
3
alue
2
f
EL
V
Lamp)
IN
(µH)
I
nductor
= 1.5V
VA
VB
CS
LX
40
30
20
10
40
30
20
10
0
0
560
60
1
8
7
6
5
V
alue
Brightness
5.00ft-lm
L
220µH
900
1N4148
X
1
70
2
I
IN
I
6.0
5.0
4.0
3.0
2.0
1.0
0.0
IN
V
V
vs. V
vs. V
CS
IN
(V)
0.1µF
100V
(V)
IN
CS
EL Lamp
80
3
HV826
90
4