HV856K7-G 데이터 시트보기 (PDF) - Supertex Inc
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HV856K7-G Datasheet PDF : 7 Pages
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Test Circuit
+
VIN
-
+
VDD
-
LX = 68μH*
CIN
4.7μF
CDD
0.1μF
Stream of
Serial Data
(1's and 0's)
D = BAS21
1
LX
2
GND
3
VDD
4
SDI
5
SCK
10
CS
9
COM
8
EL3
7
EL2
6
EL1
HV856K7
HV856
CS
3.3nF,
200V
EL Lamp 3 (1.0in2)
EL Lamp 2 (1.0in2)
EL Lamp 1 (1.0in2)
*Murata Inductor - LQH32CN680
Note: Maximum lamp size for each segment is 1.0 in2. To drive larger size lamps, any combination of EL1, EL2 and EL3 can be paralleled. However,
the 3-bit serial data input code (for each output) should be such that the paralleled outputs have the same code.
Typical Performance (V = 3.0V, V = 3.3V)
DD
IN
1ST 9-bit SDI Code
Level
EL1 Brightness
ft-lm
000111111
0/7
0
001111111
1/7
1.93
010111111
2/7
4.05
011111111
3/7
6.15
100111111
4/7
8.20
101111111
5/7
10.13
110111111
6/7
12.30
111111111
7/7
14.80
cd/m2
0
6.60
13.85
21.03
28.04
34.64
42.07
50.62
IIN (mA)
48.72
50.21
52.42
54.03
55.45
56.63
58.41
60.40
VCS (VPEAK)
103
103
103
103
103
103
103
103
HV856 Pinout
Pin
Name
1
LX
2
GND
3
VDD
4
SDI
5
SCK
6
EL1
7
EL2
8
EL3
9
COM
10
CS
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
6
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