HV831 데이터 시트보기 (PDF) - Supertex Inc
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HV831 Datasheet PDF : 8 Pages
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Functional Block Diagram
VDD
C1
C2
RSW-OSC
GND
Control Logic
& Switch-Osc
D isab le
VSENSE
Vcs
VREF
Output
Drivers
Vcs
Logic Control &
Divide by 128
HV831
Lx
CS
EL1
EL2
COM
Figure 1: Test Circuit
VDD = ON
VDD = ON 0 = OFF
Enable 1
0 = OFF
Enable 2
1 C1
EL1 10
+
VDD
-
0.1µF
2
470 kΩ
VDD
EL2 9
3 RSW-OSC Com 8
4 C2
CS 7
5 GND
LX 6
HV831MG
+
VIN
4.7µF
-
EL Lamp 1 (1.3 in2)3
1N9141
~ 560µH2
EL Lamp 2 (0.93 in2)3
3.3 nF, 100V
1 or any (equivalent or better) > 90V, fast recovery diode
2 Murata LQH32CN561K21
3 The bigger sized lamp should be tied to EL1 and the smaller
sized lamp to EL2 terminals (pins 10 and 9 respectively)
Device
HV831MG
Lamp
EL1
Both EL1 and EL2 ON
VDD
3.0V
IDD
17.3mA
26.5mA
VCS
74.8V
67.8V
fEL
244Hz
Brightness
5.9ft-lm
5.5ft-lm
4
A081005
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