PPOOWWEERR MMAANNAAGGEEMMEENNTT
Application Information (Cont.)
SC480
VTT
VBAT
REF
5V
VDDQ
VDDQ
D1
5V
MBR0530
C4
1uF
C5
10uF
0805
C6
10uF
0805
R2 1MEG
R5
C13
1nF
C8
0.1uF
C7
10uF
0805
1
2
3
R3
10R
4
10R 5
6
C14
C15
1uF
1uF
PGND2
VTTS
VSSA
TON
REF
VCCA
C16
0.1uF
C1 0.1uF
Q1
IRF7811
L1
1.5uH
C2
10uF/25V
1210
VBAT
C3
10uF/25V
1210
U1
SC480
Vishay IHLP-5050
Q2
IRF7832
VDDQ
PGND1
PGND1
ILIM
VDDP
VDDP
PGD
PAD
18
17
16
15
14
13
PAD
R1
5.62K
C9* + C10* +
220uF/12m 220uF/12m
*Sanyo 4TPL220MC
C11
0.1uF
5V
C12
1uF
R4
10K
PGOOD
EN/PSV
VTT_EN
1.8V fixed: connect to 5V
2.5V fixed: connect to VSSA
Adjustable 1.5V-3.0V: connect to divider network
Figure 7 - Reference Design
© 2006 Semtech Corp.
20
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