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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 10/18頁 |
| 文件大?。?/td> | 105K |
| 代理商： | TDA4865AJ |
TDA4865J_TDA4865AJ_2
NXP B.V. 2006. All rights reserved.
Product data sheet
Rev. 02 — 3 November 2006
10 of 18
NXP Semiconductors
TDA4865J; TDA4865AJ
Vertical deflection booster
12.1 Example for both TDA4865J and TDA4865AJ
[1]
Flyback voltage measured against 0 V; for TDA4865J only.
Remark:
the heat sink of the IC must be isolated against ground of the application (it is connected to pin GND).
(1) With C
S2
(typical value between 47 nF and 150 nF) the flyback time and the noise behavior can be optimized.
(2) With R5 capacitor C
F
will be charged during scan and the value (typical value between 150
and 270
) depends on I
defl
,
t
flb
and C
F
.
(3) R6 reduces the power dissipation of the IC. The maximum possible value depends on the application.
Fig 8.
Application diagram with TDA4865AJ
001aad304
3.9
(2 W)
240
(2 W)
100
μ
F
470
μ
F
CF
R5(2)
D1
TDA4865AJ
R6(3)
7
INP
INN
VOUT
GND
V
P2
V
P1
V
P3
6
5
4
3
2
1
DIFFERENTIAL
INPUT
STAGE
VERTICAL
OUTPUT
FLYBACK
GENERATOR
REFERENCE
CIRCUIT
THERMAL
PROTECTION
BYV27
470
μ
F
+
12.5 V
12.5 V
V
P
V
N
5.6
1.8 k
1.8 k
5.6
270
0.5
(1 W)
100
nF
RS1
RS2
CS1
CS2(1)
RP
R3
R2
R1
deflection
coil
from
deflection controller
Table 8.
Symbol
I
defl(max)(M)
L
deflcoil
R
deflcoil
R
P
R1
R2
R3
V
F
[1]
T
amb
T
deflcoil
R
th(j-mb)
R
th(mb-h)
R
th(h-a)
Values given from application
Value
1.6 (peak value)
10
4
270
0.5
1.8
1.8
50
50
75
4
0.5
2
Unit
A
mH
k
k
V
°
C
°
C
K/W
K/W
K/W
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