sc488mltrt Semtech Corporation, sc488mltrt Datasheet - Page 19

• Manufacturer Part Number: sc488mltrt
• Description: Sc488 Complete Ddr1/2/3 Memory Power Supply
• Manufacturer: Semtech Corporation

POWER MANAGEMENT
Application Information (Cont.)
© 2006 Semtech Corp.
VBAT
VTT
REF
VDDQ
5V
R2
10uF
0805
C5
VDDQ
1MEG
C13
1nF
10uF
C6
0805
R5
1uF
C14
10R
10uF
C7
0805
R3
0.1uF
C8
5V
10R
C15
1uF
1uF
C4
Figure 7 - Reference Design
1
2
3
4
5
6
D1
PGND2
VTTS
VSSA
TON
REF
VCCA
MBR0530
0.1uF
C16
19
SC488
U1
SC480
C1
0.1uF
Adjustable 1.5V-3.0V: connect to divider netw ork
2.5V fixed: connect to VSSA
1.8V fixed: connect to 5V
PGND1
PGND1
IRF7811
IRF7832
VDDP
VDDP
PGD
ILIM
PAD
Q1
Q2
18
17
16
15
14
13
PAD
Vishay IHLP-5050
220uF/12m
1.5uH
L1
5.62K
*Sany o 4TPL220MC
R1
C9*
C12
1uF
+
220uF/12m
10uF/25V
1210
C2
R4
10K
C10*
EN/PSV
VTT_EN
www.semtech.com
PGOOD
+
5V
VDDQ
SC488
10uF/25V
C3
1210
VBAT
0.1uF
C11