參數(shù)資料
型號: SC1103CS
廠商: Semtech Corporation
英文描述: VOLTAGE MODE PWM CONTROLLER
中文描述: 電壓模式PWM控制器
文件頁數(shù): 7/8頁
文件大小: 97K
代理商: SC1103CS
SC1103
2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA
VOLTAGE MODE PWM CONTROLLER
PRELIMINARY - February 29, 2000
7
Fig. 9: 5V to 2.5V @ 4A with “flying capacitor” boost voltage.
TYPICAL APPLICATIONS (cont.)
SiQ1
R4
2.7
R2
1k
MBD1
R1
10
L1
6.8uH
C7
1C2
C4
0.1
R7
R6
C1
0.1
C5
+2.5V
+5V
GND
C8
0.1
R5
0.012
GND
VCC
1
Cs(-)
2
Cs(+)
3
PGND
4
DH
5
BST
6
FB
7
GND
8
SU1
C3
0.1
D2
LL42
C6
0.1
Fig. 10: 12V to 3.3V @ 10A with “flying capacitor” boost voltage.
IRQ1
R4
2.7
R2
1k
MBRD1
R1
10
L1
5.6uH
C9
C10
C11
C3
C2
C4
C6
0.1
R7
124
R6
205
C1
0.1
C7
Vout(+)
+12V
GND
C8
0.1
C12
0.1
R5
R3
1k
Vout(-)
VCC
1
Cs(-)
2
Cs(+)
3
PGND
4
DH
5
BST
6
FB
7
GND
8
U1
C5
1.0
D2
LL42
3.3V
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