Philips Semiconductors
Vertical deflection circuit
Product specification
TDA2654
CHARACTERISTICS
Tamb = 25 °C unless otherwise specified; voltages and currents ref. to tab (ground)
monochrome tiny-vision
(Fig.3)
colour (Fig.4)
Supply voltage (pin 8)
Supply current (pin 8)
Total power dissipation
Output voltage (peak-to-peak value)
Blanking pulse; I1 = 1 mA
Blanking pulse duration
D.C. input voltage (pin 6)
Deflection current (peak-to-peak value)
Flyback time
VP
typ.
IP
typ.
Ptot
typ.
V9(p-p) typ.
V1
typ.
tp
typ.
V6
typ.
I9(p-p)
typ.
t
typ.
25
165
3,1
22
11,5
1,3
3,4
1,1
1,3
31
150
3,5
28
14,5
1,4
4,4
0,92
1,32
Free running oscillator frequency
Oscillator thermal drift
fosc
typ. 46
typ. −0,01
46
−0,01
Oscillator voltage shift
typ. −0,13
−0,12
Tracking range oscillator
typ. 18
18
Synchronization input voltage
Voltage divider ratio
Input resistance pin 7
Recommended thermal resistance
V2
>
1
V7/V8 typ. 0,52
R7
typ. 2,8
1
0,52
2,8
of heatsink for Tamb up to 70 °C
Rth h-a <
13
10
V
mA
W
V
V
ms
V
A
ms
Hz
Hz/°C
Hz/V
%
V
kΩ
°C/W
PINNING
1. Blanking pulse output
2. Synchronization input
3. Oscillator timing network
4. Sawtooth generator
5. S-correction and linearity control
6. Feedback input
7. Voltage divider
8. Positive supply
9. Output
Tab. Negative supply (ground)
November 1982
6