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參數(shù)資料
| 型號(hào)： | DCP012415D |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Miniature 24V Input, 1W Isolated Unregulated DC/DC Converters(小型24V輸入, 1W 隔離，非穩(wěn)壓的 DC/DC變換器) |
| 中文描述： | 微型24V輸入，1W隔離穩(wěn)壓DC / DC轉(zhuǎn)換器（小型24V的輸入，1W的隔離，非穩(wěn)壓的直流/直流變換器） |
| 文件頁(yè)數(shù)： | 7/8頁(yè) |
| 文件大?。?/td> | 169K |
| 代理商： | DCP012415D |
7
DCP0124
up to 10
μ
s. Making the gate open drain will re-enable the
DCP0124. However, there is a trade-off in using this function;
the DCP0124 quiescent current may increase and the on-chip
oscillator may run slower. This degradation in performance is
dependent on the external CMOS gate capacitance, therefore
the smaller the capacitance, the lower the performance de-
crease. 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 3). Dual
outputs should both be decoupled to pin 5. In applications
where power is supplied over long lines and output loading
is high, or there is significant inductance at the output, 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 DCP0124 will start into any capacitive
load. Low ESR capacitors will give the best reduction.
EXTERNAL SYNCHRONIZATION
The DCP0124 can be synchronized externally if required
using a simple external interface. Figure 4 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 DCP0124.
FIGURE 4. Universal Interface.
CTL
SYNC
ON
1
0
1
FUNCTION
1
—
0
External Sync
Self-Sync
Device Stop
FIGURE 3. DCP012405 Fully Loaded.
DCP0124xxx
1
2
5
6
7
14
8
V
CC
0V
0V
+V
OUT
–V
OUT
SYNC
I/O
1A
I/O
1B
U1
CONT
C
470nF
C
470nF
(One Per
DC/DC)
DCP0115xxx
1
2
5
6
7
14
8
V
CC
0V
0V
+V
OUT
SYNC
R
1
33k
R
2
33k
DCP0115xxx
1
2
5
6
7
14
8
V
CC
0V
0V
+V
OUT
SYNC
C
470nF
+5V
+5V
0V
+Out 2
0V
+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
C
470nF
+24V
0V
4066
C
470nF
C
470nF
+24V
0V
+Out 1
–Out 1
+5V
1
2
5
6
V
S
0V
0V
V
Out
C
0.47μF
C
0.47μF
R
2
330
+24V
R
1
27
2W
2W
DCP012405
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DCP0124 | Miniature 24V Input, 1W Isolated UNREGULATED DC/DC CONVERTERS |
| DCP012405P | IC-DC-DC CONVERTER |
| DCP012415DP | IC-DC-DC CONVERTER |
| DCP021205 | Miniature, 2W Isolated UNREGULATED DC/DC CONVERTERS |
| DCP02 | Miniature, 2W Isolated UNREGULATED DC/DC CONVERTERS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DCP012415DB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Miniature. 1W Isolated Unregulated DC/DC Converters |
| DCP012415DBP | 功能描述:DC/DC轉(zhuǎn)換器 Mini 1W Iso Unreg DC/DC Converter RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| DCP012415DBP-U | 功能描述:DC/DC轉(zhuǎn)換器 Mini 1W Iso Unreg DC/DC Converter RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| DCP012415DBP-U | 制造商:Texas Instruments 功能描述:IC ISOLATED DC/DC CONVERTER SOP-14 制造商:Texas Instruments 功能描述:IC, ISOLATED DC/DC CONVERTER, SOP-14 |
| DCP012415DBP-U | 制造商:Texas Instruments 功能描述:IC DC/DC CONVERTER 1W SMD |
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