HV843K7-G Supertex, HV843K7-G Datasheet - Page 3

• 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

Electrical Characteristics
Functional Block Diagram
f
Sym
SW temp
V
V
V
f
V
I
f
I
I
SW
D
EL
IN
DIF
IH
CS
IL
IH
IL
Supertex inc.
Average input current including inductor cur-
rent when driving both lamps
Output voltage on V
Differential output peak to peak voltage across
each lamp (EL
V
Switching transistor frequency
Switching transistor frequency tempco
Switching transistor duty cycle
Input logic low current
Input logic low current
Logic input low voltage
Logic input high voltage
Parameter
RSW-Osc
DIFF
output drive frequency
GND
VDD
C2
C1
1
to COM1, EL
Control Logic
and Switch
Oscillator
Logic Control and
CS
●
Divide by 512
when driving both lamps
1235 Bordeaux Drive, Sunnyvale, CA 94089
(cont.)
Disable
V
DD
2
to COM2)
C -
+
LX
V
REF
V
SENSE
3
Min
160
170
1.5
87
0
-
-
-
-
-
-
Drivers
Output
Typ
180
200
102
20
87
15
85
●
-
-
-
-
Tel: [phone]
V
Max
CS
V
V
200
230
118
V
1.0
1.0
0.3
CS
30
CS
CS
-
-
-
DD
COM1
COM2
Units
kHz
mA
Hz
μA
μA
%
%
V
V
V
V
●
EL1
EL2
COM
www.supertex.com
V
V
V
R
R
T
T
V
V
---
---
Conditions
A
A
IN
IN
IN
DD
DD
SW
SW
= -40°C to +85°C
= -40°C to +85°C
= 5.5V (See Fig. 1)
= 5.5V (See Fig. 1)
= 5.5V (See Fig. 1)
= 2.0 to 5.8V
= 2.0 to 5.8V
= 845kΩ
= 845kΩ
HV843