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| 型號(hào)： | TDA4865AJ |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 偏轉(zhuǎn) |
| 英文描述： | eflection boosters for use in vertical deflection systems for frame frequencies up to 200 Hz. |
| 中文描述： | VERTICAL DEFLECTION IC, PZFM7 |
| 封裝： | PLASTIC, SOT-524-1, DIL-BENT-SIL, 7 PIN |
| 文件頁(yè)數(shù)： | 11/18頁(yè) |
| 文件大小： | 105K |
| 代理商： | TDA4865AJ |
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TDA4865J_TDA4865AJ_2
NXP B.V. 2006. All rights reserved.
Product data sheet
Rev. 02 — 3 November 2006
11 of 18
NXP Semiconductors
TDA4865J; TDA4865AJ
Vertical deflection booster
[1]
With a heat sink of 2 K/W.
V
P1
, V
N
and V
FB
are referenced to ground of application; voltages are calculated with
+10 % tolerances.
The calculation formulae for supply voltages are as follows:
(1)
(2)
where:
U’
L
= L
deflcoil
×
2I
defl(max)
×
f
v
f
v
= vertical deflection frequency
U
D1
= forward voltage drop across D1
The calculation formulae for power consumption is:
(3)
(4)
(5)
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 heat sink at
T
j(max)
= 110
°
C:
(6)
(7)
Table 9.
Symbol
Calculated values
Value
TDA4865J
8
13
8.5
3.85
4.65
12.9
93
650
Unit
TDA4865AJ
15
15
12.1
3.85
8.25
7.27
103.6
720
V
P1
V
N
P
tot
P
defl
P
IC
R
th(tot)(max)
T
j(max)
[1]
t
flb
V
V
W
W
W
K/W
°
C
μ
s
V
P1
V
o sat
)
p
–
R1
R
deflcoil
+
(
)
I
defl max
)
U
'
L
U
D1
+
–
×
+
=
V
N
V
o sat
)
n
R1
R
deflcoil
+
(
)
I
defl max
)
U
'
L
+
×
+
=
P
IC
P
tot
P
defl
–
=
P
tot
V
P1
U
D1
–
(
)
I
4
)
---------------------
V
N
I
4
)
---------------------
V
P1
V
N
+
(
)
0.01
0.2
+
×
+
×
+
×
=
P
defl
R
--------------------------------
R1
+
3
I
defl max
)
2
×
=
R
th tot
)
R
th j-mb
)
R
th mb-h
)
R
th h-a
)
+
+
=
R
th h-a
)
T
-----------------------------------
T
–
P
IC
R
th j-mb
)
–
R
th mb-h
)
–
=
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