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參數(shù)資料
| 型號(hào)： | TDA8145 |
| 廠商： | STMICROELECTRONICS |
| 元件分類(lèi)： | 偏轉(zhuǎn) |
| 英文描述： | EAST-WEST CORRECTION IC, PDIP8 |
| 封裝： | MINI, POWER, PLASTIC, DIP-8 |
| 文件頁(yè)數(shù)： | 3/9頁(yè) |
| 文件大?。?/td> | 128K |
| 代理商： | TDA8145 |
3/9
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 A
15.3
16.0
16.7
V
V7(B)
(*)
Pin 7 Output Voltage
Ifr = 30 A
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
A
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
A
V
7A
V
7B
–
V
7A
V
7C
–
------------------------------
V
7A
V
7C
–
V
7A
V
7D
–
------------------------------
7
R7
R6
10k
10k
R2
R8
20k
a
b
S1
R3
11k
10k
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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