HV852 Ver la hoja de datos (PDF) - Supertex Inc
Número de pieza
componentes Descripción
Fabricante
HV852 Datasheet PDF : 7 Pages
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HV852
Functional Block Diagram
VDD
EN
CLKIN
CLKEN
REL
VDD
Capacitor
Charge
VA
Pump Circuit
VSENSE
High
Voltage
Feedback
Level
Trans-
VDD
lators
VB
EL
Oscillator
MOSFET
Full Bridge
GND
Typical Performance
(The following was the observed performance when driving a 1.0in2 green lamp)
Load
REL
(MΩ)
VDD
(V)
IDD
VA-VB
fEL
(mA)
(V)
(Hz)
2.4
17.56
154
3.0
17.53
158
3.3nF+1kΩ
1.5
3.6
17.44
158
245
4.2
17.65
158
5.0
18.35
158
Figure 1: Typical Application
+
VDD
-
CDD
VDD = ON
GND = OFF
Note:
CDD = 2.2µF, 6.3V ceramic capacitor
VDD
VA
REL
REL
VB
EN
GND
CLKIN CLKEN
HV852MG
EL Lamp
Figure 2: Push Button Turn on with Delay Turn off
+
Push
Button
VDD
VA
REL
REL
VB
VDD
Turn On
-
CDD
EN
GND
CLKIN CLKEN
CR
HV852MG
EL
Lamp
RC time constant
will set Turn OFF
Delay time
● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
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