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PDF ( 数据手册 , 数据表 ) VK05CFL

零件编号 VK05CFL
描述 ELECTRONIC DRIVER FOR CFL APPLICATION
制造商 STMicroelectronics
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VK05CFL 数据手册, 描述, 功能
® VK05CFL
ELECTRONIC DRIVER FOR CFL APPLICATION
TYPE
VK05CFL
BV
520 V
ICrms
0.25A
IPeak
1.5A
s EMITTER SWITCH POWER OUTPUT STAGE
s INTEGRATED ANTIPARALLEL COLLECTOR
SOURCE DIODE
s INTEGRATED DIAC FUNCTION
s NOMINAL WORKING FREQUENCY
SETTABLE BY EXTERNAL CAPACITOR
s IGNITION FREQUENCY SET BY LOAD
DESCRIPTION
The VK05CFL is a monolithic device housed in a
standard SO-8 package, made by using
STMicroelectronics proprietary VIPower M3
Technology. This device is intended both for the
low side and the high side driver in half bridge CFL
applications. This means that it is possible to
realize a complete H-bridge by using two
VK05CFL devices: one connected in HSD
configuration and the other connected in LSD
configuration. In the VK05CFL used in HSD
BLOCK DIAGRAM
SO-8
configuration, the diac pin must be connected to
source pin. Both diac functionality and discharge
circuit for external diac capacitor are integrated.
By an external capacitor it is possible to choose
the nominal working frequency without influence
on the ignition one.
Collector
diac
Diac
sec
-osc
+
R 2Vref
+
-
5Vref
September 2002
Source
1/14







VK05CFL pdf, 数据表
VK05CFL
COMPONENT LIST
Reference
T1
L0
D0,D1,D2,D3
C1, C12
C2, C3
C4
C5, C6
C7
C8
C10, C11
R0
R1, R2
R4, R5
U1, U2
5W to 15W lamp
Value
Lp=3,1mH, N1/N2=N1/N3=10
820µH
1N4007
22µF/200V electrolytic
(for Europe to replace C1, C12 with
Cx=3,3µF/400V)
100nF/250V
2,4nF/400V
1.2nF/63V
470pF/400V
22nF/100V
1.5nF/100V
101/2W
1M1/4W
2.2K1/4W
VK05CFL
Reference
T1
L0
D0,D1,D2,D3
C1, C12
C2, C3
C4
C5, C6
C7
C8
C10, C11
R0
R1, R2
R4, R5
U1, U2
>15W to 23W lamp
Value
Lp=2,1mH, N1/N2=N1/N3=10
820µH
1N4007
22µF/200V electrolytic
(for Europe Cx=6.8µF/400V)
100nF/250V
2,4nF/400V
1nF/63V
470pF/400V
22nF/100V
1.5nF/100V
101/2W
1M1/4W
1K1/2W
VK05CFL
Waveforms below was obtained by using the application demoboard mounted for european market:
Device T (Tamb=25 °C) for different power lamps Device power dissipation Vs. power lamp
8/14














页数 14 页
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