HV843K7-G Supertex, HV843K7-G Datasheet - Page 4

• Manufacturer Part Number: HV843K7-G
• Description: Display Drivers Low Noise Dual
• Manufacturer: Supertex

Specifications of HV843K7-G

• Driver Type: EL Lamp Drivers
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: DFN-10
• Maximum Output Current: 4 mA
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Function Table
Fig. 1 - Test Circuit
Typical Performance
Both EL
Both EL
Both EL
C
0
0
1
1
EL
EL
EL
EL
EL
EL
1
Lamp
1
1
1
V
0 = OFF
and EL
and EL
and EL
Supertex inc.
1
2
1
2
1
2
IH
Logic Inputs
ON
ON
ON
ON
ON
ON
= ON
+
-
+
-
V
V
DD
2
2
2
IN
ON
ON
ON
V
0 = OFF
IH
= ON
C
0
1
0
1
V
2
3.0V
DD
0.1µF
4.7µF
(V)
●
1235 Bordeaux Drive, Sunnyvale, CA 94089
1. or any (equivalent or better) >90V, fast recovery diode
2. Cooper LPO6610-334MLB
3. The bigger sized lamp should be tied to EL1 and the smaller
sized lamp to EL2 terminals (pins 10 and 9 respectively)
V
5.2V
5.5V
5.8V
845kΩ
IN
(V)
Hi Z
Hi Z
EL
ON
ON
1
1
2
3
4
5
C1
VDD
RSW-Osc
C2
GND
I
IN
13.93
13.42
12.94
HV843
7.96
6.91
7.47
6.42
7.04
6.01
(mA)
4
COM
EL1
EL2
CS
LX
Outputs
V
CS
10
9
8
7
6
Hi Z
Hi Z
EL
ON
ON
(V
88
2
PEAK
●
Tel: [phone]
)
330µH
EL Lamp 1 (2.1in
1N4148
620Ω
f
EL
2
195
(Hz)
1
13nF
COM
Hi Z
ON
ON
ON
●
2
)
3
Lamp Brightness (cd/m
www.supertex.com
3.3nF
200V
13.89
13.02
13.93
13.30
14.03
13.55
EL
EL Lamp 2 (1.8in
-
-
-
620Ω
1
11nF
Device
OFF
ON
ON
ON
2
HV843
)
3
12.89
13.22
12.05
13.30
12.51
11.24
EL
-
-
-
2
2
)