HV823LG Supertex, HV823LG Datasheet - Page 3

• Manufacturer Part Number: HV823LG
• Description: Display Drivers EL LAMP DRIVER
• Manufacturer: Supertex

Specifications of HV823LG

• Driver Type: EL Lamp Drivers
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8 Narrow
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Fig. 1: Test Circuit, V
For additional information, see Application Notes AN-H33 and AN-H34.
Typical Performance Curves for Fig. 1 using 3.0in
Typical Performance
Notes:
1.
2.
Lamp Size
Murata part # LQH4N561K04 (DC resistance < 14.5Ω)
Larger values may be required depending upon supply impedance.
3.0in
V
DD
= V
2
OFF = 0V
ON = V
Supertex inc.
IN
= 3.0V
12
10
90
80
70
60
50
40
8
6
4
2
0
DD
1
1
2
2
IN
3.0V
3
= 3.0V
V
3
Brightness vs. V
0.1µF
IN
560µH
4
4
V
●
2
CS
V
V
vs. V
1235 Bordeaux Drive, Sunnyvale, CA 94089
1
IN
(Low input current with moderate output brightness)
IN
5
5
(V)
(V)
90
80
70
60
50
40
30
20
10
0
1N4148
0.1µF
100
100V
IN
6
6
I
IN
, V
IN
7
7
CS
750KΩ
25mA
250
, Brightness vs. Inductor Value
I
IN
8
8
400
Inductor Value (µH)
9
9
1
2
3
4
550
3
Brightness (ft-lm)
VDD
RSW-Osc
CS
LX
2
I
IN
HV823
EL Lamp
(mA)
2.0MΩ
700
30
25
20
15
10
30
25
20
15
10
5
0
5
0
65V
V
1
40
REL-Osc
CS
V
CS
850
GND
●
2
(V)
VB
VA
Tel: [phone]
50
8
7
6
5
1000
3
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
I
IN
4
60
I
vs. V
IN
3 square inch lamp.
2.0KΩ
V
vs. V
V
CS
IN
385Hz
5
Equivalent to
(V)
(V)
CS
f
EL
●
IN
70
(V)
6
www.supertex.com
10nF
7
80
8
Brightness
90
9
6.5ft-lm
HV823