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TDA8178S Datasheet, PDF (3/6 Pages) STMicroelectronics – TV VERTICAL DEFLECTION BOOSTER
TDA8178S
ABSOLUTE MAXIMUM RATINGS
Symbol
VS
V5 , V6
V1 , V7
IO
I3
Pto t
Tstg
Tj
Parameter
Supply Voltage (pin 2)
Flyback Peak Voltage
Amplifier Input Voltage
Output Peak Current
Non-repetitive, t = 2ms
f = 50 or 60Hz, t ≤ 10µs
f = 50 or 60Hz, t > 10µs
Pin 3 DC at V5 < V2
Pin 3 Peak Flyback Current at f = 50 or 60Hz, tfly ≤ 1.5ms
Total Power Dissipation at TC = 70oC
Storage Temperature
Junction Temperature
Value
50
100
+ VS
2
2
1.8
100
1.8
20
- 40, + 150
0, +150
Unit
V
V
A
mA
A
W
oC
oC
THERMAL DATA
Symbol
Parameter
Rth (j-c) Junction-case Thermal Resistance
Max.
Value
3
Unit
oC/W
ELECTRICAL CHARACTERISTICS
(VS = 42V, TA = 25oC, unless otherwise specified) (refer to the test circuits - see Figure 1 next page)
Symbol
VS
I2
I6
I1
V3L
V5
Parameter
Operating Supply Voltage Range
Pin 2 Quiescent Current
Pin 6 Quiescent Current
Amplifier Bias Current
Pin 3 Saturation to GND
Quiescent Output Voltage
V5 L
V5H
VD5 - 6
VD3 - 2
V7
∆V7/∆VS
KT
Output Saturation Voltage to GND
Output Saturation Voltage to Supply
Diode Forward Voltage between Pins 5-6
Diode Forward Voltage between Pins 3-2
Internal Reference
Reference Voltage Drift versus VS
Reference Voltage Drift versus Tj
R1
Input Resistance
Tj
Junction Temperature for Thermal
Shutdown
Test Conditions
I3 = 0
I3 = 0
V1 = 1V
I3 = 20mA
I5 = 0
I5 = 0
VS = 42V
VS = 35V
I5 = 1A
- I5 = 1A
ID = 1A
ID = 1A
Ra = 3.9kΩ
Ra = 5.6kΩ
VS = 24 to 42V
Tj = 0 to 125oC
KT
=
∆V7 ⋅
∆Tj ⋅
106
V7
Min.
10
23.4
17
2.1
Typ.
10
20
- 0.2
1.3
24.2
17.8
1.2
2.2
1.5
1.5
2.2
2
100
Max.
42
20
40
-1
1.8
25
18.5
1.5
2.6
3
3
2.3
4
150
Unit
V
mA
mA
µA
V
V
V
V
V
V
V
mV/V
ppm/oC
200
kΩ
140
oC
3/6