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TDA8145 数据表(PDF) 3 Page - STMicroelectronics

部件名 TDA8145
功能描述  TV EAST/WEST CORRECTION CIRCUIT FOR SQUARE TUBES
PDF  9 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA8145 数据表(HTML) 3 Page - STMicroelectronics

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TDA8145
Table 3. ELECTRICAL CHARACTERISTICS
(Tamb = 25°C, VS = 26V, Vfr = 0, S1 and S2 in "a" position, refer to the test circuit unless otherwise
specified)
Figure 4. Test Circuit
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VS
Supply Voltage
17
24
30
V
IS
Supply Current
4.5
7
mA
VREF
Internal Reference Voltage
7.6
8.0
8.8
V
–IREF
Internal Reference Current
Vref/R3
0.73
mA
V7(A)
(*)
Pin 7 Output Voltage
Ifr = 0 µA
15.3
16.0
16.7
V
V7(B)
(*)
Pin 7 Output Voltage
Ifr = 30 µA
15
V
K1
Parabola Coefficient (see Figure 5)
K1 =
0.26
K2
Parabola Coefficient (see Figure 5)
K2 =
0.70
∆V7 (*)
∆V7 = V7E – V7F,
– 40
40
mV
I8
Current Source
S1
→ b
100
µA
VSATL
Saturation Voltage
Io = 400 mA Sink S2 → b
12
V
VSATH
Saturation Voltage
Io = 100 mA Source S2 → c S1 → b
0.8
1.5
V
VF
Forward Voltage
Io = 400 mA S2 → d S1 → b
1.2
1.7
V
IFR
Frame Sawtooth Current
Vfr = 6.6 VPP
66
µA
V
7A
V
7B
–
V
7A
V
7C
–
------------------------------
V
7A
V
7C
–
V
7A
V
7D
–
------------------------------
7
R7
R6
10k
Ω
10k
Ω
R2
R8
20k
Ω
a
b
S1
R3
11k
Ω
10k
Ω
R1
S2
a
b
c
d
TDA8145
VS
VF
VSATH
I
O
VSATL
IF
-IO
IFR
VREF
VFR
6
5
8
4
3
1
2



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