TDA9108 데이터 시트보기 (PDF) - STMicroelectronics
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TDA9108 Datasheet PDF : 9 Pages
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TDA9108
BLOCK DIAGRAM
HOR IZONTAL
FLYBACK IN
7
6
LOO P
FILTER
5
SUPPLY 1
GROUND 14
INPUT 9
BACK PORCH
CLAMP PULSE
GENERATOR
2nd PHASE
COMPARATOR
SYNC
EXTRACTOR
H-S ync
HORIZONTAL
PULSE
SHAPER
4 HORIZONTAL
DUTY CYCLE
OUTPUT
STAGE
2 NEGATIVE OUTPUT
3 POSIT IVE OUTPUT
SYNC 10
POLARITY
POLARITY
DETECTION
1st PHASE
COMPARATOR
11
LOOP FILTER
OSCILLATOR
13
12
R
C
THYRISTOR
FUNCTION
8 X-RAY
PROT INPUT
ABSOLUTE MAXIMUM RATINGS
Symbol
VS
V2
V4
V8
V9
V10
I2
I3
I6
I7
Ptot
Tstg , Tj
Parameter
Supply Voltage (Pin 1)
Voltage at Pin 2
Voltage at Pin 4
Voltage at Pin 8
Voltage at Pin 9
Voltage at Pin 10
Pin 2 Peak Current
Pin 3 Peak Current
Pin 6 Input Current
Pin 7 Input Current
Total Power Dissipation at Tamb ≤ 70oC
Storage and Junction Temperature
Value
15
18
0, VS
0 , VS
0 , VS
0, VS
1
0.5
30
10
0.9
- 40 , + 150
Unit
V
V
V
V
V
V
A
A
mA
mA
W
oC
THERMAL DATA
Symbol
Parameter
Rth (j-a) Thermal Resistance Junction-ambient
Max.
Value
90
Unit
oC/W
ELECTRICAL CHARACTERISTICS
(refer to the test circuit, VS = 12V, TA = 25oC, unless otherwise specified)
Symbol
VS
IS
VS
Parameter
Supply Voltage Range
Supply Current (Pin 1)
Supply voltage at which the output pulses
(at Pin 2 and 3) are switched off
Test conditions
I3 = 0
Min. Typ. Max. Unit
10 12 13.2 V
38 55 mA
4
V
2/9
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