TDA2579B Philips Semiconductors, TDA2579B Datasheet - Page 13

• Manufacturer Part Number: TDA2579B
• Description: Horizontal/vertical synchronization circuit
• Manufacturer: Philips Semiconductors

Philips Semiconductors
September 1990
Second control loop (pin 14)
(horizontal flyback to horizontal
Control sensitivity
Control range
Control range for constant duty
Controlled edge of horizontal
Phase adjustment (pin 14)
(via second control loop)
Control sensitivity
Maximum allowed control current
Horizontal oscillator (pin 15)
Frequency (no sync)
Spread (fixed external component,
Frequency deviation between
Temperature coefficient
Horizontal output (pin 11)
(Open collector)
Output voltage high
Start voltage protection
Low input current (pin 16)
Output voltage low start condition
Duty factor output current
Output voltage low normal
Duty factor output current
Duration of the output pulse HIGH
Controlled edge
Horizontal/vertical synchronization circuit
oscillator)
factor horizontal output
output signal (pin 11)
no sync)
starting point output signal
and stabilized condition
(internal zener diode)
protection output enabled
during starting
condition
without flyback pulse (pin 12)
PARAMETER
t
t
C = 2.7 nF;
R
I
I
I
t
d
d
11
16
11
d
osc
= 10 s
= 10 s
= 10 s
CONDITIONS
= 10 mA
= 25 mA
= 6.2 mA
= 34.8 k
13
t
t
I
f
T
V
V
I
V
V
SYMBOL
d
d
14
16
C
11
11
11
11
f
f
t
d
/
t
o
200
1
1
13
50
45
27
MIN.
positive
300
25
15625
5.0
0.1
60
0.3
50
29
1.10
5
TYP.
29 ( t flyback
-4
positive
Preliminary specification
pulse)
600
13.2
15.8
6.2
0.5
70
0.5
55
31
TDA2579B
45
MAX.
60
4
8
Hz
%
%
/K
V
V
mA
V
%
V
%
s
s
s
A/ s
A
s
UNIT