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參數(shù)資料
| 型號： | TDA4863 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | Boost Controller |
| 中文描述： | 升壓控制器 |
| 文件頁數(shù)： | 13/20頁 |
| 文件大?。?/td> | 105K |
| 代理商： | TDA4863 |
2000 Aug 17
13
Philips Semiconductors
Product specification
Vertical deflection booster
TDA4863J; TDA4863AJ
Example for both TDA4863J and TDA4863AJ
Table 1
Values given from application
Note
1.
For TDA4863J only.
Table 2
Calculated values
V
P1
, V
N
and V
FB
are referenced to ground of application;
voltages are calculated with +10% tolerances.
Calculation formulae for supply voltages:
V
P1
=
V
5-3
+ (R1 + R
deflcoil
)
×
I
defl(max)
U’
L
+ U
D1
V
N
= V
5-4
+ (R1 + R
deflcoil
)
×
I
defl(max)
+ U’
L
where
U’
L
= L
deflcoil
×
2I
defl(max)
×
f
v
f
v
= vertical deflection frequency
U
D1
= forward voltage drop across D1.
Calculation formulae for power consumption:
where
P
IC
= power dissipation of the IC
P
tot
= total power dissipation
P
defl
= power dissipation of the deflection coil.
Calculation formulae for maximum required thermal
resistance for the heatsink at T
j(max)
= 110
°
C:
Table 3
t
flb
as a function of V
FB
for TDA4863J
Table 4
t
flb
as a function of V
P1
and V
N
for TDA4863AJ
SYMBOL
VALUE
UNIT
I
defl(max)
L
deflcoil
R
deflcoil
R
P
R1
R2
R3
V
FB(1)
T
amb
T
deflcoil
R
th(j-mb)
R
th(mb-amb)
0.71
6
6
270
1
1.8
1.8
50
60
75
6
8
A
mH
k
k
V
°
C
°
C
K/W
K/W
SYMBOL
VALUE
UNIT
TDA4863J
TDA4863AJ
V
P1
V
N
P
tot
P
defl
P
IC
R
th(tot)
T
j(max)
9
8
3.2
1.2
2
14
88
12.5
12.5
4.4
1.2
3.2
14
105
V
V
W
W
W
K/W
°
C
t
flb
(
μ
s)
350
250
210
V
FB
(V)
30
40
50
t
flb
(
μ
s)
360
290
240
V
P1
(V)
10
12.5
15
V
N
(V)
10
12.5
15
P
IC
(W)
2.5
3.2
3.9
R6 (
)
1
3.9
6.8
P
IC
P
tot
P
defl
–
=
P
tot
V
P1
U
D1
–
(
)
I
4
--------------------
V
N
I
4
--------------------
×
+
×
=
V
P1
V
N
–
(
)
0.01 A
0.2 W
+
×
+
P
defl
R
--------------------------------
R1
+
3
I
defl(max)
2
×
=
R
th(mb-amb)
T
-------------P
T
–
IC
R
th(j-mb)
–
19 K/W (max.)
=
=
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