HV841K6-G Supertex, HV841K6-G Datasheet - Page 4

• Manufacturer Part Number: HV841K6-G
• Description: Display Drivers High Voltage Dual EL Lamp
• Manufacturer: Supertex

Specifications of HV841K6-G

• Mounting Style: SMD/SMT
• Package / Case: DFN-10
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Functional Block Diagram
Figure 1: Test Circuit
RSW-Osc
V
0 = OFF
EN
V
V
IN
DD
= ON
GND
VDD
+
-
+
-
C2
C1
V
0 = OFF
EN
= ON
0.1µF
4.7µF
Control Logic
& Switch-Osc
●
1 or any (equivalent or better) > 120V, fast recovery diode
2 Murata LQH4CN331K04
3 The bigger sized lamp should be tied to EL1 and the smaller
1235 Bordeaux Drive, Sunnyvale, CA 94089
sized lamp to EL2 terminals (pins 10 and 9 respectively)
Disable
470 kΩ
Logic Control &
Divide by 128
2
1
3
4
5
+
-
C1
VDD
RSW-Osc
C2
GND
V
REF
HV841
4
V
SENSE
COM
EL1
EL2
CS
LX
10
6
9
8
7
Drivers
Output
●
Tel: [phone]
~
BAS21
330µH
Vcs
Vcs
2
1
EL Lamp 1 (1.9 in
●
www.supertex.com
3.3 nF, 200V
EL1
EL2
COM
LX
CS
EL Lamp 2 (1.6 in
2
)
3
HV841
2
)
3