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參數(shù)資料
| 型號(hào)： | SP6653 |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Adjustable, High Efficiency, Low I Q , Step-Down DC-DC Converter(3V或可調(diào)電壓，高效，低I Q，步降DC-DC變換器) |
| 中文描述： | 可調(diào)，高效率，低智商，降壓型DC - DC轉(zhuǎn)換器（3V的或可調(diào)電壓，高效，低智商，步降型DC - DC變換器） |
| 文件頁數(shù)： | 2/13頁 |
| 文件大?。?/td> | 82K |
| 代理商： | SP6653 |
2
Rev. 2/23/01
SP6639/40/53 5/ 3.3/ 3V Adj, High Efficiency, Low I
Q
Step-Down DC-DC Converter Copyright 2001Sipex Corporation
P
ABSOLUTE MAXIMUM RATINGS
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 and cause permanent damage to the
device.
V+............................................................................9V
LX..........................................(V+ - 16V) to (V+ +0.3V)
LBI, LBO, VFB, SHDN, V
.......-0.3V to - (V+ +0.3V)
LXOutput Current (Note 1).......................................1A
LBO Output Current...........................................10mA
Continuous Power Dissipation (T
A
= +70
°
C)
Plastic DIP
(derate 9.09mW/
°
C above +70
°
C....................727mW
SO (derate 5.88mW/
°
C above +70
°
C .............471mW
ELECTRICAL SPECIFICATIONS
(V+ = 6V for the SP6639, V+ = 5V for the SP6640/6653, I
LOAD
= 0mA, T
A
= T
MIN
to T
MAX,
typical values are at T
A
= 25
°
C, circuit of figure 3 unless
otherwise noted.)
Operating Temperature Ranges
SP6639.................................................0
°
C to +70
°
C
Storage Temperature......................-65
°
C to +160
°
C
Lead Temperature (soldering sec)................+300
°
C
R
E
T
E
M
A
R
A
P
S
N
O
I
D
N
O
C
.
N
I
M
.
P
Y
T
.
X
A
M
S
T
N
U
S
C
I
S
I
R
E
T
C
A
R
A
H
C
C
D
e
g
a
V
y
p
u
S
3
0
5
V
t
e
C
y
p
u
S
d
a
o
o
n
,
V
=
N
D
H
S
0
1
0
2
μ
A
)
e
N
(
e
g
a
V
t
p
O
I
<
A
m
0
,
V
5
o
V
0
=
+
V
,
3
6
6
P
S
T
U
O
A
m
0
0
1
<
0
8
0
0
0
2
V
I
<
A
m
0
,
V
5
o
V
0
=
+
V
,
4
6
6
P
S
T
U
O
A
m
0
0
1
<
7
1
0
3
3
4
I
<
A
m
0
,
V
5
o
V
5
=
+
V
,
5
6
6
P
S
T
U
O
A
m
0
0
1
<
8
8
0
0
2
1
e
g
a
V
t
o
p
o
D
I
T
U
O
0
0
1
=
L
,
A
m
0
0
1
=
μ
H
3
V
y
c
n
e
E
9
3
6
6
P
S
I
T
U
O
0
0
1
=
L
,
A
m
0
0
1
=
μ
H
1
9
%
I
T
U
O
0
7
4
=
L
,
A
m
5
2
=
μ
H
4
9
0
4
6
6
P
S
I
T
U
O
0
0
1
=
L
,
A
m
0
0
1
=
μ
H
7
8
I
T
U
O
0
7
4
=
L
,
A
m
5
2
=
μ
H
1
9
3
5
6
6
P
S
I
T
U
O
0
0
1
=
L
,
A
m
0
0
1
=
μ
H
5
8
I
T
U
O
0
7
4
=
L
,
A
m
5
2
=
μ
H
9
8
e
m
i
-
O
h
c
w
S
9
3
6
6
P
S
V
,
V
6
=
+
V
T
U
O
V
3
=
3
1
7
1
7
1
μ
s
0
4
6
6
P
S
V
,
V
4
=
+
V
T
U
O
V
3
=
0
5
9
6
0
7
3
5
6
6
P
S
V
,
V
4
=
+
V
T
U
O
V
3
=
5
4
4
4
0
5
K
X
X
6
6
P
S
N
O
3
e
N
5
4
0
4
0
5
μ
V
s
e
m
i
-
O
h
c
w
S
9
3
6
6
P
S
V
,
V
6
=
+
V
T
U
O
V
3
=
0
1
5
1
5
2
μ
s
0
4
6
6
P
S
V
,
V
4
=
+
V
T
U
O
V
3
=
0
1
5
1
5
2
3
5
6
6
P
S
V
,
V
4
=
+
V
T
U
O
V
3
=
1
1
3
2
0
2
K
X
X
6
6
P
S
F
F
O
4
e
N
0
4
0
5
0
6
μ
V
s
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