
2
Date: 08/25/04
 SP7651 Wide Input Voltage Range 3A, 900kHz, Buck Regulator                 Copyright 2004 Sipex Corporation
ELECTRICAL SPECIFICATIONS
Unless otherwise specified: -40
°
C < T
AMB
 < 85
°
C, -40
°
C<Tj<125
°
C, 4.5V < V
CC 
< 5.5V, 3V<Vin<20V, BST=LX
+ 5V, LX =
GND = 0V, UVIN = 3.0V, CV
CC
 = 1
μ
F, C
COMP
 = 0.1
μ
F, C
SS
 = 50nF, Typical measured at V
CC 
= 5V.
The 
denotes the specifications which apply over the full temperature range, unless otherwise specified.
These are stress ratings only and functional operation of the device at
these ratings or any other above those indicated in the operation sections
of the specifications below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may affect reliability.
V
CC
.................................................................................................. 7V
V
IN...........................................................................................................................................
 22V
I
LX...............................................................................................................................................
 5A
BST ............................................................................................... 35V
BST-SWN ......................................................................... -0.3V to 7V
SWN................................................................................... -1V to 20V
GH......................................................................... -0.3V to BST+0.3V
GH-SWN ......................................................................................... 7V
All other pins .......................................................... -0.3V to V
CC
+0.3V
Storage Temperature .................................................. -65
°
C to 150
°
C
Power Dissipation .................................................... Internally Limited
Lead Temperature (Soldering, 10 sec) ...................................... 300
°
C
ESD Rating .......................................................................... 2kV HBM
Thermal Resistance 
JC....................................................................................
  5
°
C/W
ABSOLUTE MAXIMUM RATINGS
R
E
T
E
M
A
R
A
P
.
N
I
M
.
P
Y
T
.
X
A
M
S
T
N
U
S
N
O
I
D
N
O
C
T
N
E
R
R
U
C
T
N
E
C
S
E
I
U
Q
V
C
C
)
n
c
w
s
o
N
(
t
e
C
y
p
u
S
5
3
A
m
V
B
F
V
9
=
V
C
C
)
n
c
w
s
t
e
C
y
p
u
S
6
1
D
B
T
A
m
)
n
c
w
s
o
N
(
t
e
C
y
p
u
S
T
S
B
2
4
A
m
V
B
F
V
9
=
)
n
c
w
s
t
e
C
y
p
u
S
T
S
B
8
D
B
T
A
m
O
L
V
U
:
N
O
I
C
E
T
O
R
P
V
C
C
d
h
s
e
T
t
S
O
L
V
U
0
0
5
2
5
V
V
C
C
s
e
y
H
O
L
V
U
0
0
1
0
0
2
0
0
3
V
m
d
h
s
e
T
t
S
N
I
V
U
3
5
5
6
V
s
e
y
H
N
I
V
U
0
0
2
0
0
3
0
0
4
V
m
t
e
C
t
p
n
N
I
V
U
1
A
μ
V
0
=
N
I
V
U
E
C
N
E
R
E
F
E
R
R
E
I
P
M
A
R
O
R
R
E
e
c
n
e
R
r
m
A
r
E
2
9
7
0
0
8
8
0
8
V
e
s
a
e
M
C
o
5
2
,
o
C
V
5
=
n
G
V
;
X
2
V
B
F
C
C
=
T
,
e
c
n
e
R
m
e
T
r
m
a
e
n
A
r
E
v
O
e
p
d
n
r
8
8
7
0
0
8
2
1
8
V
e
c
n
a
u
d
n
o
c
s
n
a
T
r
m
A
r
E
6
V
/
A
m
n
G
r
m
A
r
E
0
6
B
d
d
a
o
L
o
N
t
e
C
k
n
P
M
O
C
0
5
1
A
μ
V
B
F
V
9
=
P
M
O
C
,
V
9
=
t
e
C
e
c
o
S
P
M
O
C
0
5
1
A
μ
V
B
F
V
2
=
P
M
O
C
,
V
7
=
V
B
F
t
e
C
s
a
t
p
n
0
5
0
0
2
A
n
V
B
F
V
8
=
e
P
l
n
4
z
H
M
p
m
a
C
P
M
O
C
5
V
V
B
F
C
o
5
2
=
A
T
,
V
7
=
t
e
o
C
.
m
e
T
p
m
a
C
P
M
O
C
2
C
o
V
m