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參數(shù)資料
| 型號： | SC613EVB |
| 廠商： | Semtech Corporation |
| 英文描述： | Low Noise Regulated Charge Pump with Selectable Output |
| 中文描述： | 低噪聲電荷泵輸出的可選 |
| 文件頁數(shù)： | 6/14頁 |
| 文件大?。?/td> | 386K |
| 代理商： | SC613EVB |
6
2005 Semtech Corp.
www.semtech.com
SC613
POWER MANAGEMENT
Applications Information (cont.)
Table 2 -Ripple Performance
T
A
= 25°C, Cin=Cout=Cbucket = 1.0μF (ESR = 0.1
)
V
T
U
O
.
q
]
e
H
r
F
k
e
p
]
n
a
5
o
t
p
p
-
A
R
p
t
V
m
0
V
u
p
m
[
0
1
2
=
u
O
d
t
n
V
V
V
0
2
6
2
5
2
0
5
6
5
1
V
5
2
6
2
5
2
0
5
6
5
1
Calculating Power Dissipation
The power dissipated by the SC613 is calculated as,
P
IN
P
OUT
P
D
P
D
V
IN
2
I
O
I
Q
+
(
)
V
O
I
O
=
=
Short Circuit and Over Temperature Protection
The output is current limited to 600mA to protect against short
circuit conditions. Over temperature protection is also provided.
Design and Layout Considerations
The center pad “thermal slug” is not internally connected to ground,
but should be connected to ground in the layout through vias con-
necting to the ground plane. Pin 8 can be routed directly to the
center pad. A good ground plane connection is important to make
effective use of the low thermal resistance of the MLP package.
Short Circuit and Over Temperature Protection
The output is current limited to 600mA to protect against short
circuit conditions. Over temperature protection is also provided.
Design and Layout Considerations
The center pad “thermal slug” is not internally connected to ground,
but should be connected to ground in the layout through vias con-
necting to the ground plane. Pin 8 can be routed directly to the
center pad. A good ground plane connection is important to make
effective use of the low thermal resistance of the MLP package.
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