65
ICE3B0365J (MAIN : IC95)
ICE3B0365J Block Diagram
1
6
7
8
4
3
2
5
GND
SoftS
FB
CS
VCC
N.C
Drain
Drain
In
te
rn
a
l B
ia
s
V
ol
tage
Re
fe
re
n
ce
O
sc
illa
to
r
Du
ty
Cy
cl
e
ma
x
x3.
2
S
o
ft
-S
ta
rt
C
om
par
at
or
C
u
rr
e
n
t L
im
iti
n
g
PW
M
O
P
Cu
rr
e
n
t M
o
d
e
Sof
t St
a
rt
C2
3.
1V
R
B
Pow
e
r M
a
na
g
e
m
e
n
t
C
So
ft
S
C
VC
C
8
5
.
..
2
7
0
V
A
C
C
Bu
lk
+
Co
n
ve
rt
e
r
DC
O
u
tp
u
t
V
OU
T
Sp
ik
e
B
lanki
n
g
8.
0
us
PW
M
C
om
par
at
or
C3
4.
0V
C4
4.
5V
R
S
o
ftS
Ga
te
Dr
iv
e
r
0.
7
5
C
o
ck
R
Se
n
se
0.
6V
10k
:
D1
T2
C6
a
3.
0V
C5
1.
35V
C1
0
R
S
Q
A
u
to
R
e
st
a
rt
Mo
d
e
&
G7
&
G5
&
G9
1
G8
Ther
m
al
S
hut
dow
n
T
j
>1
0°
C
3.
25k
:
3V
S1
5V
T1
P
o
w
e
r-D
o
w
n
Re
se
t
CS
So
ft
S
GND
C7
C8
FB
PW
M
S
ect
io
n
C
o
n
tr
o
l U
n
it
FF
1
T3
C1
2
&
0.
32V
Leadi
ng
Ed
g
e
Bl
a
n
ki
n
g
220ns
25k
:
2pF
5V
G1
0
0.
8V
1pF
P
ropagat
ion-
D
el
ay
C
om
pensat
ion
5V
18V
10.
3V
V
cst
h
-
IC
E
3xxx
65J /
C
o
o
lS
E
T
™
- F
3 Ji
tt
er
v
er
si
o
n
VCC
Dr
a
in
D
e
p
l. C
o
o
lM
O
S
™
St
a
rt
u
p
Ce
ll
C6
b
&
G6
3.
61V
&
G1
1
Ac
tiv
e
Bu
rs
t
M
ode
C1
3
20.
5V
VCC
&
G1
2
Fr
e
q
Ji
tte
r
S
nubber
&
G1
3
FF2
R
SQ
UV
L
O
