TDA8172 Datasheet, PDF (2/5 Pages) STMicroelectronics – TV VERTICAL DEFLECTION OUTPUT CIRCUIT

TDA8172
ABSOLUTE MAXIMUM RATINGS
Symbol
V_S
V₅, V₆
V3
V1, V7
Supply Voltage (pin 2)
Flyback Peak Voltage
Voltage at Pin 3
Amplifier Input Voltage
Parameter
Io
I_o
Io
I₃
I₃
Ptot
T_stg, T_j
Output Peak Current (non repetitive, t = 2 ms)
Output Peak Current at f = 50 or 60 Hz, t ≤ 10 µs
Output Peak Current at f = 50 or 60 Hz, t > 10 µs
Pin 3 DC Current at V₅ < V₂
Pin 3 Peak to Peak Flyback Current at f = 50 or 60 Hz, t_fly ≤ 1.5 ms
Total Power Dissipation at Tcase = 90 °C
Storage and Junction Temperature
Value
Unit
35
V
60
V
+ Vs
+ Vs
V
– 0.5
2.5
A
3
A
2
A
100
mA
3
A
20
W
– 40, +150
°C
THERMAL DATA
Symbol
R_{th (j–c)}
Parameter
Thermal Resistance Junction-case
Max.
Value
3
Unit
°C/W
ELECTRICAL CHARACTERISTICS
(refer to the test circuits, VS = 35V, Tamb = 25^oC unless otherwise specified)
Symbol
I₂
I6
I₁
V3L
V₅
V_5L
V_5H
Tj
Parameter
Pin 2 Quiescent Current
Pin 6 Quiescent Current
Amplifier Input Bias Current
Pin 3 Saturation Voltage to GND
Quiescent Output Voltage
Output Saturation Voltage to GND
Output Saturation Voltage to Supply
Junction Temperature for Thermal Shut Down
Test Conditions
I₃ = 0, I₅ = 0
I3 = 0, I5 = 0
V₁ = 1 V, V₇ = 2 V
V₁ = 2 V, V₇ = 1 V
I3 = 20 mA
V_s = 35V, R_a = 39 kΩ
I₅ = 1.2 A
I5 = 0.7 A
– I₅ = 1.2 A
– I₅ = 0.7 A
Min.
Typ.
8
16
– 0.1
– 0.1
1
18
1
0.7
1.6
1.3
140
Max.
16
36
–1
–1
1.5
1.4
1
2.2
1.8
Unit Fig.
mA 1a
mA 1a
µA 1a
µA 1a
V 1c
V 1d
V 1c
V 1c
V 1b
V 1b
°C
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