HV852(2006) 查看數據表（PDF） - Supertex Inc
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HV852 Datasheet PDF : 6 Pages
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Typical Performance
(The following was the observed performance when driving a 1.0in2 green lamp)
Load
3.3nF+1KΩ
R
EL
1.5MΩ
V
DD
2.4V
3.0V
3.6V
4.2V
5.0V
I
DD
17.56mA
17.53mA
17.44mA
17.65mA
18.35mA
V -V
AB
77V
79V
79V
79V
79V
Figure 1: Typical Application
+
VDD
-
CDD
VDD = ON
GND = OFF
HV852
REL
VDD
REL
EN
VA
VB
GND
CLKIN
CLKEN
Note: CDD = 2.2µF, 6.3V ceramic capacitor
EL
Lamp
Figure 2: Push Button Turn on with Delay Turn off
HV852
+
VDD
-
REL
Push Button
Turn On
CDD
CR
VDD
REL
EN
CLKIN
VA
VB
GND
CLKEN
EL
Lamp
RC time constant
will set Turn OFF
Delay time
Figure 3: Independent Programmable Output Frequency (fEL)
+
VDD
-
CDD
VDD = ON
GND = OFF
HV852
VDD
REL
EN
VA
VB
GND
EL
Lamp
VDD
CLKIN
CLKEN
VDD
GND
fCLK
Note: fEL = fCLK/128
EL Lamp frequency set exrernal clock
4
HV852
f
EL
245Hz
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