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STV6889 Datasheet(PDF) 44 Page - STMicroelectronics

No. de pieza STV6889
Descripción Electrónicos  HIGH-END I²C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITOR
PDF  56 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV6889 Datasheet(HTML) 44 Page - STMicroelectronics

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Table 9. IDC/DC controller Off-to-On edge timing
Figure 16. DC/DC converter controller block diagram
BOutPh
(Sad07h/D7)
BOHEdge
(Sad17h/D3)
Timing of Off-to-On transition on BOut output
0
1
VCO ramp top at Horizontal frequency divided by two
0
0
Middle of H-flyback plus tBTrigDel
1
0
Falling edge of H-drive signal
1
1
Rising edge of H-drive signal
N type
Soft start
H-drive edge
H-fly-back
+
-
+
-
+
-
~500ns
Monostable
P type
Feedback
C2
(I²C)
B-drive inhibition
(I²C)
(+delay)
(I²C)
2R
R
VBReg
I1
I2
I3
VC2
O1
¸2
28
BOut
16
BISense
10
HPosF
14
BComp
15
BRegIn
BOutPol
BOutPh
BOHEdge
VThrBIsCurr
VCO
1
0
1
0
1
0
VCC
C1
S
Q
R
(safety functions)
timing
+
-
B-drive protection at H-unlock
(safety functions)
C3
Safety block



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