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參數(shù)資料
| 型號： | DCP010515DP |
| 英文描述： | Miniature 5V Input, 1W Isolated UNREGULATED DC/DC CONVERTERS |
| 中文描述： | 微型5V輸入，1W隔離未穩(wěn)壓DC / DC轉換器 |
| 文件頁數(shù)： | 14/17頁 |
| 文件大?。?/td> | 199K |
| 代理商： | DCP010515DP |
DCP0105
14
performance decrease. Driving the SYNC
IN
pin with a CPU
type tri-state output, which has a low output capacitance,
offers the lowest reduction in performance.
DECOUPLING
Ripple Reduction
The high switching frequency of 400kHz allows simple
filtering. To reduce ripple, it is recommended that 0.47
μ
F
capacitors are used on V
S
and V
OUT
(see Figure 2). Both
outputs on dual output DCP0105 devices should be decoupled
to pin 5. In applications where power is supplied over long
lines and output loading is high, it may be necessary to use
a 2.2
μ
F capacitor on the input to insure startup.
There is no restriction on the size of the output capacitor
used to reduce ripple. The DCP0105 will start into any
capacitive load. Low ESR capacitors will give the best
reduction.
EXTERNAL SYNCHRONIZATION
The DCP0105 can be synchronized externally if required
using a simple external interface. Figure 3 shows a universal
interface using a 4066 quad switch. The CTL and SYNC
ON
pins are used to select external synchronization or self-
synchronization.
This interface can also be used to stop (disable) the DCP0105.
CTL
SYNC
ON
1
0
1
FUNCTION
1
—
0
External Sync
Self-Sync
Device Stop
1
2
5
6
V
S
0V
0V
V
Out
C
0.47μF
C
0.47μF
R
2
330
+5V
R
1
27
2W
2W
DCP0105
FIGURE 2. DCP010505 Fully Loaded.
DCP0105
1
2
5
6
7
14
8
V
CC
0V
Out–
Out+
SYNC
I/O
1A
I/O
1B
U1
CONT
C
470nF
C
470nF
C
470nF
(One Per
DC/DC)
DCP0105
1
2
5
6
7
14
8
V
CC
0V
Out–
Out+
SYNC
R
1
33k
R
2
33k
DCP0105
1
2
5
6
7
14
8
V
CC
0V
Out–
Out+
SYNC
C
470nF
+5V
+5V
+5V
–Out 1
+Out 1
–Out 2
+Out 2
–Out 3
+Out 3
I/O
1A
I/O
1B
U3
CONT
I/O
1A
I/O
1B
U4
CONT
I/O
1A
I/O
1B
U5
CONT
SYNC ON
FREQ IN
CTL
R
3
33k
0V
0V
0V
0V
0V
4066
FIGURE 3. Universal Interface.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DCP010515DP-U | 制造商:BB 制造商全稱:BB 功能描述:Miniature 5V Input, 1W Isolated UNREGULATED DC/DC CONVERTERS |
| DCP010515DP-U/700 | 制造商:BB 制造商全稱:BB 功能描述:Miniature 5V Input, 1W Isolated UNREGULATED DC/DC CONVERTERS |
| DCP010515P | 制造商:BB 制造商全稱:BB 功能描述:Miniature 5V Input, 1W Isolated UNREGULATED DC/DC CONVERTERS |
| DCP010515P-U | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| DCP0115 | 制造商:BB 制造商全稱:BB 功能描述:Miniature 15V Input, 1W Isolated UNREGULATED DC/DC CONVERTERS |
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