sp6645eu-tr Exar Corporation, sp6645eu-tr Datasheet - Page 2

• Manufacturer Part Number: sp6645eu-tr
• Description: Sp6645 -single/dual Alkaline Cell, High Efficiency Boost Dc-dc Regulator
• Manufacturer: Exar Corporation

Date: 11/30/04
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
V
LX, SHDN, FB, BATTLO, to GND.............-0.3 to 6.0V
Reverse battery Current, T
(NOTE 1)
V
V
Storage Temperature Range............-65˚C to +165˚C
Lead Temperature (soldering 10s)..................+300˚C
Operating Temperature.......................-40˚C to +85˚C
Power Dissipation Per Package
8-pin µSOIC
V
M
S
S
S
S
F
F
B
O
O
N
- P
V
T
BATT
BATT
OUT
BATT
OUT
B
B
B
a t
a t
e
H
H
A
-
a
u
u
C
C
A
m
T
i x
p t
p t
D
D
T
- t r
- t r
n I
S
, LX current......................................................1A
= V
h
h
( T
to GND..............................................-0.3 to 6.0V
T
p
m
to GND.............................................-0.3 to 6.0V
forward current............................................0.5A
N
N
t u
t u
t e
a
a
M
p
U
U
L
e
SHDN
n
u
A
n
t u
O
p
p
a r
n I
n I
) X
V
V
V
n
n
m
l e
p
p
l o
l o
l e
n I
n I
u t
l o
C
F
= 1.3V, I
O
t u
t u
r u
a t
l a
a t
a t
e r
p
p
O
O
P
p
t u
t u
n i l
g
g
V
C
g
e r
(derate 4.85mW/
- n
- n
r e
A
C
, e
e
, e
l o
r u
g
V
V
t n
R
R
R
o
t a
R
a t
l o
l o
e r
V
f e
V
r T
e
LOAD
e
A
n i
a
g
V
V
O
s
a t
a t
F
s
c i f
t n
M
n
B
p i
g
U
s i
s i
e
L I
H I
T
g
g
g
= 0mA, FB = GND, T
E
e i
a t
a t
n I
, e
, e
V
e
T
t n
n
n
l o
p
E
V
V
c
c
t u
a t
R
e
e
B
B
A
A
g
O
V
T
T
C above +70
e
AMB
T
T
l o
a t
=+25˚C.............220mA
g
, e
SP6644/6645 High Efficiency Boost Regulator
AMB
O
C)
= -40
..........390mW
1
M
0
3
1
2
2 .
8
9 .
1 .
8 .
I
0 .
0
. N
o
1
C to +85
4
8
6
5
1
T
3
0
1
2
2 .
0
0
Y
8 .
0 .
0 .
3 .
1 -
o
1
1
5 .
8 .
C, and typical values are at T
. P
6
2
0
0
0
2
M
1
1
2
3
2
1
1
3
5
1
3 .
1
1
1
1 .
4 .
A
0 .
0
0
3 .
5 .
0 .
6 .
1 .
5
0
. X
0
0
4
6
2
9
U
m
N
n
n
V
%
V
V
V
V
V
V
T I
A
A
C º
ELECTRICAL CHARACTERISTICS
S
ABSOLUTE MAXIMUM RATINGS
AMB
= +25
R
%
%
V
e
S
S
V
e
V
V
x
x
L
F
P
P
F
O
O
B
B
e t
e t
=
U
U
o
f o
f o
6
6
<
C unless otherwise noted.
T
T
=
n r
6
6
n r
3
0
=
=
V
V
1
4
4
1 .
k
l a
l a
3 .
B
B
, 4
, 5
3
3
A
A
V
3 .
3 .
, V
T
T
,
e f
e f
T
T
V
V
V
V
© Copyright 2004 Sipex Corporation
e
e
O
O
d
U
U
d
C
T
T
b
b
O
=
=
a
a
N
k c
k c
3
3
I D
3 .
3 .
V
V
I T
O
N
S