TDA1675A Datasheet, PDF (2/11 Pages) STMicroelectronics – VERTICAL DEFLECTION CIRCUIT

TDA1675A
BLOCK DIAGRAM
+V _S
+
BLANKING
OUT
13
6
R_o
4
C_o
3
BLANK
GENERATOR
AND CRT
PROTECTION
OSCILLATOR
7
SYNC.
SYNC.
7
HEIGHT
14
VOLTAGE
REGULATOR
2
FLYBACK
GENERATOR
+
C_f
15
RAMP
GENERATOR
BUFFER
STAGE
R3
CLOCK
PULSE
R1
11
+
POWER
1
AMP.
-
R2
12
THERMAL
PROTECTION
9
10
Ca
LIN
Rd
Cb
8
R_b
Ly
Ry
Iy
R_e
R_a
R_c
+
+
C_c
R_f
ABSOLUTE MAXIMUM RATINGS
Symbol
VS
V1, V2
V5
V11, V12
V13
IO
IO
IO
I15
I15
Ptot
Tstg, Tj
Parameter
Supply Voltage at Pin 14
Flyback Peak Voltage
Sync. Input Voltage
Power Amplifier Input Voltage
Voltage at Pin 13
Output Current (non repetitive) at t = 2ms
Output Peak Current at f = 50Hz t > 10µs
Output Peak Current at f = 50Hz t ≤ 10 µs
Pin 15 Peak-to-peak Flyback Current at f = 50Hz, tfly ≤ 1.5ms
Pin 15 D.C. Current at V1 < V14
Maximum Power Dissipation at Tcase ≤ 60^oC
Storage and Junction Temperature
THERMAL DATA
Symbol
RTH(j-c)
RTH(j-a)
Parameter
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
Max.
Max.
2/11
Value
35
65
20
VS - 10
VS
3
2
3.5
3
100
30
- 40, + 150
Value
3
40
Unit
V
V
V
V
A
A
A
A
mA
W
o_C
Unit
o_C/W
o_C/W