Altera Stratix - Page 562

14–14 Altera Corporation
Stratix Device Handbook, Volume 2 January 2005
Voltage Regulators
Figure 14–12 shows synchronous switching regulator with adjustable
outputs.
Figure 14–12. LTC1775: 5.0-V-to-1.5-V/5-A Synchronous Switching Regulator
Notes to Figure 14–12:
(1) This is a KEMETT495X156M035AS capacitor.
(2) This is a Sumida CDRH127-6R1 inductor.
(3) This is a KEMETT510X687K004AS capacitor.
EXTV
CC
I
TH
V
OSENSE
V
PROG
SGND
SYNC
RUN/SS
FCB
V
IN
BOOST
BG
PGND
INTV
CC
TK
SW
TG
C
C2
220 pF
C
C1
2.2 nF
INTV
CC
OPEN
M1
1/2 FDS8936A
M2
1/2 FDS8936A
D
B
CMDSH-3
V
IN
5 V
V
OUT
1.5 V
5 A
R
F
1 Ω
R
C
10 kΩ
R
2
2.6 kΩ
R
1
10 kΩ
C
IN
(1)
15 μF
35 V
×3
C
OUT
(3
)
680 μF
4 V
×2
C
B
0.22 μF
C
VCC
4.7 μF
C
SS
0.1 μF
C
F
0.1 μF
L
1
(2)
6.1 μH
D1
MBRS140
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9