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參數(shù)資料
| 型號： | CTDD2408MF-1205-SU6K-2 |
| 廠商： | CENTRAL TECHNOLOGIES |
| 元件分類： | 電源模塊 |
| 英文描述： | DC-DC UNREG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, PLASTIC, SMD-16 |
| 文件頁數(shù)： | 3/3頁 |
| 文件大小： | 278K |
| 代理商： | CTDD2408MF-1205-SU6K-2 |
ctparts.com
Manufacturer of Passive Components
800-684-5322 Inside US
949-453-1811 Outside US
Copyright 2009 by CT Magnetics, DBA Central Technologies. All rights reserved.
CT Magnetics reserves the right to make improvements or change specifications without notice
CENTRAL
TECHNOLOGIES
02.18.09
DC/DC Converters
CTDD2408MF-SU6K-2 Series
Fixed Input Isolated & Unregulated
2W Output, Single Output
APPLICATION NOTES
L
Requirement On Output Load
To ensure this module can operate efficiently and reliably, a minimum load is
specified for this kind of DC/DC converter in addition to a maximum load (namely full
load). During operation, make sure the specified range of input voltage is not exceeded,
the minimum output load is not less than 10% of the full load, and that this product
should never be operated under no load! If the actual output power is very small,
please connect a resistor with proper resistance at the output end in parallel to increase
the load, or use our company's products with a lower rated output power.
Recommended testing and application circuit
If you want to further decrease the input/output
ripple, an "LC" filtering network may be connected to
the input and output ends of the DC/DC converter, see
(Figure 1).
L
Vin
GND
+Vo
0V
DC
Cin
L
DC
Cout
(Figure 1)
It should also be noted that the inductance and the
frequency of the "LC" filtering network should be
staggered with the DC/DC frequency to avoid mutual
interference. However, the capacitance of the output
filter capacitor must be proper. If the capacitance is
too big, a startup problem might arise. For every
channel of output, provided the safe and reliable
operation is ensured, the recommended capacitance
of its filter capacitor sees (Table 1).
EXTERNAL CAPACITOR TABLE (Table 1)
Vin
(VDC)
Cin
(uF)
Single Vout
(VDC)
Cout
(uF)
5
4.7
5
10
12
2.2
12
2.2
24
1
15
1
It's not recommend to connect any external capacitor in the
application field with less than 0.5 watt output.
Output
Voltage
Regulation
and
Over-voltage
Protection Circuit
The simplest device for output voltage regulation,
over-voltage and over-current protection is a linear
voltage regulator with overheat protection that is
connected to the input or output end in series (Figure
2).
Vin
GND
0V
+Vout
DC DC
REG
Vin
GND
0V
+Vout
DC DC
REG
(Figure 2)
Overload Protection
Under norm al operating conditions, the output
circuit of these products has no protection against
overload. The simplest method is to connect a
self-recovery fuse in series at the input end or add a
circuit breaker to the circuit.
No parallel connection or plug and play.
Note:
1. All specifications measured at Ta=25°C, humidity<75%,
nominal input voltage and rated output load unless
otherwise specified.
2. Only typical models listed, other models may be different,
please contact our technical person for more details.
3. Operation under minimum load will not damage the
converter; However, they may not meet all specification
listed.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CTDD2709SF-050505-T1K-1 | 制造商:CT 制造商全稱:Central Technologies 功能描述:DC/DC Converters |
| CTDD2709SF-0505-D1K-1 | 制造商:CT 制造商全稱:Central Technologies 功能描述:DC/DC Converters |
| CTDD2709SF-0505-D1K-1W5 | 制造商:CT 制造商全稱:Central Technologies 功能描述:DC/DC Converters |
| CTDD2709SF-0505-D3K-1 | 制造商:CT 制造商全稱:Central Technologies 功能描述:DC/DC Converters |
| CTDD2709SF-050909-T1K-1 | 制造商:CT 制造商全稱:Central Technologies 功能描述:DC/DC Converters |
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