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