SC4608 Datasheet, PDF (14/19 Pages) Semtech Corporation – Low Input, MHz Operation, High Efficiency Synchronous Buck

SC4608
POWER MANAGEMENT
Application Information (Cont.)
Design Example 1. 3V to1.5V @10A application with SC4608
R13
R3
1
SC4608
16
PVDD
BST ¹⁵
C3
1u
1 _AVDD
2 _ISET
DRVH ¹³
R6
0
3 _COMP
PHASE ¹²
C16
4 _FSET
DRVL ¹¹
R5
C1
1.8n
C2 2.2n
470pF
R1
14.3k
5 _EN
R2 ₆
10k
Css
7
PGOOD
SS
PGND ¹⁰
AGND ⁹
VSENSE ⁸
0
22n
D2
M11
C17
1u
M2
C10
220u
V_in=3V - 5.5V
C13
C14
22u
22u
L1
2.3u
C7
C5
330u
22u
V_out=1.5V/ 10A
C4
C9
22u
R7
8.2n
5.76k
R8
107
R9
2.87k
 2006 Semtech Corp.
14
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