鈥?/div>
Few external components
Highly efficient fully DC-coupled vertical output
bridge circuit
Vertical flyback switch
Guard circuit
Protection against:
鈥?short-circuit of the output pins (7 and 4)
鈥?short-circuit of the output pins to VP
Temperature (thermal) protection
High EMC immunity because of common mode
inputs
A guard signal in zoom mode.
GENERAL DESCRIPTION
The
KKA8351
is a power circuit for use in 90擄
and 110擄
colour deflection systems for field frequencies
of 50 to
120 Hz. The circuit provides a DC driven
vertical deflection output circuit, operating as a
highly efficient class G system.
QUICK REFERENCE DATA
SYMBOL
DC supply
V
p
I
q
Vertical circuit
l
o(p-p)
I
diff(p-p)
V
diff(p-p)
Flyback switch
I
M
V
fb
peak output current
flyback supply voltage
note 1
Thermal data (in accordance with IEC 747-1)
T
stg
l
amb
T
vj
storage temperature
operating ambient temperature
virtual junction temperature
-55
-25
-
-
-
-
+150
+75
150
擄C
擄C
擄C
-
-
-
-
-
-
鹵1.5
50
60
A
V
V
output current
(peak-to-peak value)
differential input current (peak-
to-peak value)
differential input voltage
(peak-to-peak value)
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
600
1.5
3
鈥?/div>
1.8
A
碌A(chǔ)
V
supply voltage
quiescent supply current
9
-
-
30
25
-
V
mA
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Note
A flyback supply voltage of
>50
V up to 60 V is allowed in application. A 220 nF capacitor
in series with a 22
鈩?/div>
resistor (dependent on I
o
and the inductance of the coil) has to be
connected between pin 7 and ground. The decoupling capacitor of V
FB
has to be
connected between pin 6 and pin 3. The supply voltage line must have a resistance of 33
鈩?
1
KKA8351相關(guān)型號(hào)PDF文件下載
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