SC4607IMSTR View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SC4607IMSTR' PDF : 17 Pages View PDF
SC4607
POWER MANAGEMENT
Application Information (Cont.)
Design Example 1: 3.3V to1.5V @12A application with SC4607
D2
R3
R13
C71 1u
1
0
U1
1 BST
DRVH 10
R6
C3
4.7u
2 VCC
3 ISET
PHASE 9
DRVL 8
C1 C2 2.2n
C16
4 COMP
GND 7
5 FS/SY NC VSENSE 6
0
270p
560pF
SC4607
R5
R1
14.3k
C13
100u
C14
100u
Vin=3.3V
C10 C11
22u
22u
M1
L1
2.3u
M2
Vo=1.5V/12A
C7
C5
C4
C9
330u
22u
22u
5.6n
R7
8.25k
R8
169
R9
4.12k
Design Example 2: 3.3V to 2.5V @ 20A application with SC4607
D2
1u
C17
R3
1.05k
C18
0.1u
C2 1.5n
C1
270p
R1
20k
R13
1
C3
4.7u
C16
560pF
U1
1 BST
2 VCC
3 ISET
4 COMP
DRVH 10
R6
PHASE 9
0
DRVL 8
R5
GND 7
0
5 FS/SY NC VSENSE 6
SC4607
2 x 4TPE150M
Vin=3.3V
C10
C11
C13
C14
150u
150u
22u
22u
4 x C3216X5R0J226M
M11
M12
ETQPAF1R3EA
L1 1.3u
M21
M22
C7
C5
330u
22u
4 x Si7882
4TPD330M
Vo=2.5V/20A
C4
C9
22u
2.7n R7
16.5k
R8
365
R9
4.12k
2005 Semtech Corp.
14
www.semtech.com
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