TDA4860 Philips Semiconductors, TDA4860 Datasheet - Page 3

• Manufacturer Part Number: TDA4860
• Description: Vertical deflection power amplifier for monitors
• Manufacturer: Philips Semiconductors

Philips Semiconductors
BLOCK DIAGRAM
1997 Oct 27
handbook, full pagewidth
Vertical deflection power amplifier for
monitors
Assumed values:
I
R
L
R
T
T
T
P
P
P
t
Attention: the heatsink of the IC must be isolated against ground; the cooling fin is connected to pin 6.
Fig.1
yoke
p FLB
yoke
amb
j(max)
yoke
yoke
IC
tot
yoke
1
from TDA4850
= 1.0
= 1.8 W.
= 3.0 W.
= 1.42 A.
= 65 C.
= 5.25 mH.
= 75 C.
= 4.17
= 1.2 W.
= typically 250 s.
= 105 C.
8.8 V
Block diagram and application circuit with flyback supply voltage V
Deflection frequency range from 50 Hz to 100 Hz.
150 k
1%.
+ 7% + R(T) = 6.12 .
STABILIZER
VOLTAGE
V-shift
V P1
1
1 M
470
F
DIFFERENTIAL
AMPLIFIER
VERTICAL
DRIVER
INPUT
2
3
1.8 k
1.8 k
BAX13
TDA4860
270
1
R1
V P2
4
3
THERMAL AND
PROTECTION
VERTICAL
V-OUT
5
OUTPUT
yoke
5.6
SOAR
0.1 F
8.1 V
V N
6
SUB
470 F
P3
GENERATOR
from an external source.
FLYBACK
FLYBACK
DRIVER
FLB
7
470 F
4.3
52 V
8
V P3
10 k
CIRCUIT
PULSE
Product specification
9
TDA4860
R PCO
PCO
MHA591