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參數(shù)資料
| 型號(hào)： | TDA7278 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP44 |
| 封裝： | 10 X 10 MM, PLASTIC, QFP-44 |
| 文件頁數(shù)： | 15/15頁 |
| 文件大?。?/td> | 276K |
| 代理商： | TDA7278 |
DC- DC COVERTER
CONFIGURATIONS
OUTPUT FILTER (see fig. 3)
COMPENSATION (see fig. 4)
STEP-DOWN
L = 47
H
C = 47
F
a) DOMINANT POLE
R = 50K
Cf = 47nF
R4 = 35K
b) 2 ZERO, 2 POLE
R2 = 11.18K
R3 = 100 K
C2 = 936pF
Rf = 16.65K
Cf = 5.6nF
R4 = 70K
STEP-UP
AND
TRANSFORMER
L = 47
H
C = 47
F
a) DOMINANT POLE
R = 100K
Cf = 220nF
R4 = 70K
c) 2 ZERO, 3 POLE
R1 = 500
C1 = 18nF
R2 = 20.8K
R3 = 250K
C2 = 636pF
Rf = 21.4K
Cf = 7.44nF
R4 = 200K
L = 11
H
C = 47
F
c) 2 ZERO, 3 POLE
R1 = 500
C1 = 18nF
R2 = 10.4K
R3 = 250K
C2 = 318pF
Rf = 21.4K
Cf = 3.7nF
R4 = 200K
SUGGESTED VALUES FOR OUTPUT FILTER AND COMPENSATION NETWORK
1
D96AU447A
VHIGH
+
-
12V
2
44
PINS: 1, 2, 44
8
D96AU448A
VHIGH
+
-
12V
7
9
PINS: 8, 7, 9
TDA7278
9/15
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