參數(shù)資料
型號: PM6680A
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 0.4 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, QCC32
封裝: 5 X 5 MM, LEAD FREE, VFQFPN-32
文件頁數(shù): 38/48頁
文件大小: 1932K
代理商: PM6680A
PM6680A
Design guidelines
43/48
Figure 41.
Current paths, ground connection and driver traces layout
L
HS
PGN
D
p
lan
(t
o
p
la
ye
r)
P
h
ase
L
o
w
s
ide
ga
te
tr
ac
e
(b
ot
to
m
la
ye
r)
M
u
ltip
le
v
ias
be
tw
een
S
G
ND
p
lan
an
d
P
G
N
D
plan
PG
N
D
LG
A
T
E
5
SGND
plan
(in
n
er
lay
er)
SGN
D
1
SGND
2
C
S
E
N
S
E
dedicat
ed
tr
ace
(b
ot
to
m
la
ye
r)
C
S
EN
SE5
PHA
S
E5
HG
AT
E
5
Ve
ry
c
lo
s
e
HG
A
T
E
a
nd
PH
ASE
tr
aces
(i
n
e
ro
r
bo
tt
om
lay
e
rs
)
L
LS
HS
P
M
668
0
PGN
D
P
G
ND
p
lan
S
G
ND
p
lan
E
x
pose
d
pa
d
c
o
n
ecti
o
n
t
o
S
G
ND
Botto
m
l
a
ye
r
T
op
la
ye
r
S
ig
n
al
t
races
+
C
OU
T
LS
D
C
IN
De
vi
ce
(
to
p
l
a
ye
r)
SG
ND
c
o
nn
e
c
ti
o
n
to
SG
ND
pl
an
PG
N
D
LG
A
T
E
1
SG
ND
1
SGN
D
2
CSEN
S
E
1
PH
A
S
E1
HG
A
T
E
1
P
lace
in
pu
tcap
ac
it
o
rs
to
g
e
th
e
r
R
e
du
ce
t
h
e
A
C
cur
ren
t
path
s
L
HS
PGN
D
p
lan
(t
o
p
la
ye
r)
P
h
ase
L
o
w
s
ide
ga
te
tr
ac
e
(b
ot
to
m
la
ye
r)
M
u
ltip
le
v
ias
be
tw
een
S
G
ND
p
lan
an
d
P
G
N
D
plan
PG
N
D
LG
A
T
E
5
SGND
plan
(in
n
er
lay
er)
SGN
D
1
SGND
2
C
S
E
N
S
E
dedicat
ed
tr
ace
(b
ot
to
m
la
ye
r)
C
S
EN
SE5
PHA
S
E5
HG
AT
E
5
Ve
ry
c
lo
s
e
HG
A
T
E
a
nd
PH
ASE
tr
aces
(i
n
e
ro
r
bo
tt
om
lay
e
rs
)
L
LS
HS
P
M
668
0
PGN
D
P
G
ND
p
lan
S
G
ND
p
lan
E
x
pose
d
pa
d
c
o
n
ecti
o
n
t
o
S
G
ND
Botto
m
l
a
ye
r
T
op
la
ye
r
S
ig
n
al
t
races
+
C
OU
T
LS
D
C
IN
De
vi
ce
(
to
p
l
a
ye
r)
SG
ND
c
o
nn
e
c
ti
o
n
to
SG
ND
pl
an
PG
N
D
LG
A
T
E
1
SG
ND
1
SGN
D
2
CSEN
S
E
1
PH
A
S
E1
HG
A
T
E
1
P
lace
in
pu
tcap
ac
it
o
rs
to
g
e
th
e
r
R
e
du
ce
t
h
e
A
C
cur
ren
t
path
s
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