HV856K7-G Supertex, HV856K7-G Datasheet - Page 6

• Manufacturer Part Number: HV856K7-G
• Description: Display Drivers HI VLTG TRIPLE EL LAMP DRIVER
• Manufacturer: Supertex

Specifications of HV856K7-G

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

Test Circuit
*Murata Inductor - LQH32CN680
Note:
Typical Performance
HV856 Pin Description
Maximum lamp size for each segment is 1.0 in
3-bit serial data input code (for each output) should be such that the paralleled outputs have the same code.
1
Pin
ST
10
1
2
3
4
5
6
7
8
9
9-bit SDI Code
000111111
001111111
010111111
100111111
101111111
110111111
011111111
111111111
Supertex inc.
V
V
DD
IN
+
+
-
-
Name
COM
GND
VDD
SCK
EL1
EL2
EL3
SDI
CS
LX
(1's and 0's)
Serial Data
Stream of
C
0.1 F
C
4.7 F
(V
DD
IN
Description
Inductor pin
Ground pin
Input voltage supply pin. (It is common practice to use a bypass capacitor as close as
possible to the device on this pin)
Serial data input pin
Serial clock input pin
EL Lamp 1 pin
EL Lamp 2 pin
EL Lamp 3 pin
Common pin for one side of all three EL lamps
High voltage capacitor pin
DD
L
Level
X
= 3.0V, V
5/7
6/7
7/7
0/7
1/7
2/7
3/7
4/7
= 68 H*
1235 Bordeaux Drive, Sunnyvale, CA 94089
2
. To drive larger size lamps, any combination of EL1, EL2 and EL3 can be paralleled. However, the
IN
= 3.3V)
EL1 Brightness
1
2
3
4
5
10.13
12.30
14.80
ft-lm
1.93
4.05
6.15
8.20
LX
GND
VDD
SDI
SCK
0
HV856
D = BAS21
6
cd/m
13.85
21.03
28.04
34.64
42.07
50.62
6.60
COM
0
EL3
EL2
EL1
CS
2
10
9
8
7
6
Tel: [phone]
EL Lamp 3 (1.0in
EL Lamp 2 (1.0in
EL Lamp 1 (1.0in
C
3.3nF,
200V
S
I
IN
48.72
50.21
52.42
54.03
55.45
56.63
58.41
60.40
(mA)
www.supertex.com
2
2
2
)
)
)
V
CS
103
103
103
103
103
103
103
103
(V
HV856
PEAK
)