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參數(shù)資料
| 型號： | TDA4867 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Full bridge current driven vertical deflection booster |
| 中文描述： | 全橋電流驅(qū)動垂直偏轉(zhuǎn)助推器 |
| 文件頁數(shù)： | 7/14頁 |
| 文件大?。?/td> | 426K |
| 代理商： | TDA4867 |
2003 Feb 05
7
Philips Semiconductors
Preliminary specification
Full bridge current driven vertical
deflection booster
TDA4867J
Notes
1.
If V
FB
is between 40 and 60 V a decoupling capacitor C
FB
= 22
μ
F (between pin V
FB
and pin GND) and a resistor
R
FB
= 100
(between pin V
FB
and flyback supply voltage) are required (see Fig.6).
Differential input current I
i(dif)
= I
INP
I
INN
.
Input resistance is 500
.
Required V
P
depends on the impedance of the deflection yoke.
Deviation of the output slope at a constant input slope.
2.
3.
4.
5.
Flyback generator
I
FB(p-p)
maximum current during flyback on
pin V
FB
(peak-to-peak value)
voltage drop during flyback between
pin V
FB
and pin OUTA
2.5
A
V
FB-OUTA
reverse
I
defl
=
0.7 A
I
defl
=
1.25 A
forward
I
defl
= 0.7 A
I
defl
= 1.25 A
2.6
3.1
3
3.9
V
V
V
P
1
5.2
5.7
6.1
6.9
V
P
+ 1
V
V
V
V
th(OUTA)
switch-on threshold voltage on
pin OUTA
Guard circuit (pin GUARD)
V
GUARD
output voltage
guard on;
I
GUARD
=
5 mA
guard off; I
GUARD
= 0
guard on;
V
GUARD
> 5 V
for guard function
for power save mode;
I
GUARD
= 0.5 mA
5
6
V
5
0.4
V
mA
I
GUARD
output current
V
ext
external voltage
0
8.2
6.5
9.5
V
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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