HV832 查看數據表（PDF） - Supertex Inc
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HV832 Datasheet PDF : 6 Pages
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Functional Block Diagram
LX
VDD
CS
Control
Control Logic &
Switch Osc
GND
Vsen
+
EL1
Disable C_
Vref
EL Osc =
Switch Osc ÷ 128
High
Voltage
EL2
Level
Trans-
lator
Com
HV832
Figure 1: Typical Application Circuit/Test Circuit
VDD
Logic Input Pulse
+
VIN _
4.7µF
VDD = VIN
1 EL1
2 VDD
EL2 8
Com 7
3 Control
4 GND
CS 6
LX 5
HV832MG
EL Lamp 1=1.5in2
EL Lamp 2=1.5in2
IN914*
LX
330µH
3.3nF
100V
LX = 330µH Murata (LQH32CN331)
* any (equivalent or better) >90V, fast reverse recovery diode
Device
Lamp
HV832MG EL1 or EL2 ON
Both EL1 and EL2 ON
VDD
3.0V
IDD
27mA
VCS
78V
38mA
70V
4
fEL
400Hz
Brightness
7.5ft-lm
6.2ft-lm
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