TDA8176 Просмотр технического описания (PDF) - STMicroelectronics
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TDA8176 Datasheet PDF : 5 Pages
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TDA8176
ABSOLUTE MAXIMUM RATINGS
Symbol
V5
V4, V5
V10
Parameter
Supply Voltage at Pin 2
Flyback Peak Voltage
Power Amplifier Input Voltage
Io
Io
Io
I3
I3
I8
Ptot
Tstg, Tj
Output Peak Current (non repetitive) at t = 2 ms
Output Peak Current at f = 50 Hz t ≤ 10 µs
Output Peak Current at f = 50 Hz t > 10 µs
Pin 3 DC Current at V4 < V2
Pin 3 Peak to Peak Flyback Current for f = 50 Hz, tfly ≤ 1.5 ms
Pin 8 Current
Power Dissipation at Ttab = 90 °C
at Tamb = 80 °C
Storage and Junction Temperature
Value
Unit
35
V
60
V
+ 10
V
– 0.5
V
2
A
2.5
A
1.5
A
100
mA
1.8
A
± 20
mA
20
W
1.4
W
– 40, + 150
°C
THERMAL DATA
Symbol
Rth (j–c)
Rth (j–a)
Parameter
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
Max.
Max.
Value
3
50
Unit
°C/W
°C/W
AC ELECTRICAL CHARACTERISTICS
(refer to the test circuit, VS = 25V ; f = 50Hz ; Tamb = 25oC, unless otherwise specified)
Symbol
Is
I14
V9
V15
tfly
fo
Parameter
Supply Current
Sync. Input Current (positive or negative)
Flyback Voltage
Peak to peak Oscillator Sawtooth Voltage
Flyback Time
Free Running Frequency
∆f
∆f
∆VS
∆f
∆Ttab
Synchronization Range
Frequency Drift with Supply Voltage
Frequency Drift with Tab Temperature
Test Conditions
Iy = 1 App
Iy = 1 App
Iy = 1 App
(P1 + R1) = 300kΩ
C2 = 100 nF
(P1 + R1) = 260kΩ
C2 = 100 nF
I8 = 0.5 mA
Vs = 10 to 35 V
Ttab = 40 to 120 °C
Min.
500
Typ.
140
51
2.4
0.7
44
52
14
0.005
0.01
Max.
Unit
mA
µA
V
V
ms
Hz
Hz
Hz
Hz/V
Hz/°C
2/5
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