Altera Stratix - Page 564

14–16 Altera Corporation
Stratix Device Handbook, Volume 2 January 2005
Voltage Regulators
Figure 14–14. EL7564CM: 5.0-V-to-1.5-V/4-A Synchronous Switching Regulator
C
3
0.22 μF
C
5
0.1 μF
C
4
390 pF
C
2
2.2 nF
C
1
330 μF
C
7
330 μF
V
0
1.5 V
4 A
V
IN
5.0 V
L
1
4.7 μH
R
4
22 Ω
R
1
1 kΩ
R
2
539 Ω
C
10
100 pF
D
1
C
6
0.22 μF
PGND
LX
PGND
PGND
V
IN
STP
STN
FB
V
DRV
V
HI
EN
PG
LX
PGND
SGND
V
DD
V
TJ
V
REF
COSC
PGND
EL7564CM
8
9
10
13
12
11
1
2
3
4
5
6
7
20
19
18
17
16
15
14