HV858 Ver la hoja de datos (PDF) - Supertex Inc
Número de pieza
componentes Descripción
Fabricante
HV858 Datasheet PDF : 7 Pages
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Figure 1 : Test Circuit
LX = 68µH **
D = IN914*
+
VIN
-
CIN = 4.7µF
+
VDD
-
CDD =
0.1µF
Stream of
Serial Data
(1's and 0's)
1 LX
2 GND
CS 10
Com 9
3 VDD
4 SDI
EL3 8
EL2 7
5 SCK
EL1 6
HV858
HV858
CS = 3.3nF, 100V
EL Lamp 3
(1.0 in2)
EL Lamp 2
(1.0 in2)
EL Lamp 1
(1.0 in2)
*Any 100V fast reverse recovery diode can be used
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 (VDD = VIN = 3.0V)
1st 9-bit SDI code
EL1 Brightness
IDD (mA)
VCS
(V)
Level ft-lm Cd/m2
000111111
0/7
0
0
42.6 85.7
001111111
1/7 1.60 5.46 44.7 85.3
010111111
2/7 3.24 11.08 46.9 84.9
011111111
3/7 4.95 16.94 48.9 84.5
100111111
4/7 6.68 22.85 51.2 84.0
101111111
5/7 8.44 28.85 53.3 83.5
110111111
6/7 10.21 34.93 55.0 82.9
111111111
7/7 12.05 41.2 56.2 82.5
A011706
6
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