TDA4867J Philips Semiconductors, TDA4867J Datasheet - Page 7

• Manufacturer Part Number: TDA4867J
• Description: Full bridge current driven vertical deflection booster
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Notes
1. If V
2. Differential input current I
3. Input resistance is 500 .
4. Required V
5. Deviation of the output slope at a constant input slope.
2003 Feb 05
Flyback generator
I
V
V
Guard circuit (pin GUARD)
V
I
V
FB(p-p)
GUARD
FB-OUTA
th(OUTA)
GUARD
ext
Full bridge current driven vertical
deflection booster
SYMBOL
R
FB
FB
= 100
is between 40 and 60 V a decoupling capacitor C
P
maximum current during flyback on
pin V
voltage drop during flyback between
pin V
switch-on threshold voltage on
pin OUTA
output voltage
output current
external voltage
depends on the impedance of the deflection yoke.
(between pin V
FB
FB
(peak-to-peak value)
and pin OUTA
i(dif)
PARAMETER
FB
= I
and flyback supply voltage) are required (see Fig.6).
INP
I
INN
.
reverse
forward
guard on;
I
guard off; I
guard on;
V
for guard function
for power save mode;
I
GUARD
GUARD
7
GUARD
FB
I
I
I
I
defl
defl
defl
defl
CONDITIONS
= 22 F (between pin V
= 0.7 A
= 1.25 A
= 0.7 A
= 1.25 A
= 5 mA
= 0.5 mA
> 5 V
GUARD
= 0
V
5
0
8.2
5
MIN.
P
FB
1
and pin GND) and a resistor
5.2
6
5.7
2.6
3.1
TYP.
Preliminary specification
TDA4867J
2.5
6.1
6.9
V
0.4
6.5
9.5
MAX.
3
3.9
P
+ 1
A
V
V
V
V
V
V
V
mA
V
V
UNIT