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Philips Semiconductors
Vertical deflection power amplifier for
monitors
CHARACTERISTICS
V
= V
= 25 V; V
= V
P1
P2
N
SYMBOL
V
supply voltage 1 (pin 1)
P1
V
supply voltage 2 (pin 4)
P2
V
supply voltage 3 (pin 8)
P3
I
supply current (pin 1)
P1
I
quiescent supply current (pin 4)
P2
Pre-amplifier
V
input voltage (pins 2 and 3)
2,3
I
input quiescent current
2,3
Flyback generator
V
output voltage
7
I
flyback output current
7(M)
(maximum value; pin 7)
V
threshold voltage to switch flyback
1-5
t
flyback pulse time
pFLB
Vertical output; see Fig.3
V
output voltage
5
I
vertical output current
5(p-p)
(peak-to-peak value; pin 5)
LIN
non-linearity of output signal
Pulse circuit output; see Fig.3
V
output voltage
9
V
output voltage for thermal protection
9
active
V
voltage to insert flyback pulse on pin 9 normal condition
1-5
t
pulse width
p9
1997 Jan 20
= 0 V; T
= 25 C; voltages referenced to substrate (pin 6); unless otherwise specified.
6
amb
PARAMETER
CONDITIONS
without input signal
without input signal
upper value; I
= 1 A
7
on/off threshold
see Figs 1 and 3
upper value; I
= 1 A V
5
lower value; I
= 1 A
5
upper value;
I
= 1.4 A
5
lower value; I
= 1.4 A
5
R
= 10 k ;
PCO
see Fig.1
deflection open-circuit
normal condition
6
Product specification
MIN.
TYP.
9
25
30
9
25
60
9
60
10
9
1.6
V
100
V
2.2
P3
1.4
250
2.3 V
2
P2
P2
1.5
1.7
V
2.3
P2
1.7
2.8
1
0.4
V
V
0.4
P1
1.4
50
t
pFLB
TDA4861
MAX.
UNIT
V
V
V
mA
mA
0.5 V
P1
nA
V
1.3
A
V
s
V
V
V
V
A
%
0.4 V
P1
V
V
%
s
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