Microdc MA2415XD-2W 1w/2w, fixed input , isola ted & regulated dual output dc-dc converter Datasheet

MA-XD-1W&MA-XD-2W Series
1W/2W, FIXED INPUT , ISOLA TED & REGULATED DUAL OUTPUT DC-DC CONVERTER
SELECTION GUIDE
Input
FEATURES
◆Low ripple
Output
Voltage(VDC)
Order code
Current(mA)
Efficiency1
(%,Typ)
Nominal
Range
Voltage
(VDC)
Max.
Min.
MA0512XD-1W
5
4. 75-5.25
±12
±42
±5
64
MA0515XD-1W
5
4. 75-5.25
±15
±33
±4
65
MA0509XD-2W
5
4. 75-5.25
±9
±100
±10
62
MA0512XD-2W
5
4. 75-5.25
±12
±83
±9
63
◆Good dynamic feature
MA0515XD-2W
5
4. 75-5.25
±15
±67
±7
64
◆1KVDCIsolation
MA1212XD-1W
12
11. 4-12.6
±12
±42
±5
64
MA1215XD-1W
12
11. 4-12.6
±15
±33
±4
65
MA1209XD-2W
12
11. 4-12.6
±9
±100
±10
63
◆Temperature Range:-40℃ ~ +85 ℃
MA1212XD-2W
12
11. 4-12.6
±12
±83
±9
65
◆UL94-V0 Package
MA1215XD-2W
12
11. 4-12.6
±15
±67
±7
66
MA2412XD-1W
24
22. 8-25.2
±12
±42
±5
64
◆DIP24 Package
◆No Heatsink Required
MA2415XD-1W
24
22. 8-25.2
±15
±33
±4
65
◆No External Component Required
MA2409XD-2W
24
22. 8-25.2
±9
±100
±10
63
◆Internal SMD construction
MA2412XD-2W
24
22. 8-25.2
±12
±83
±9
66
◆RoHS Compliance
MA2415XD-2W
24
22. 8-25.2
±15
±67
±7
67
MODEL SELECTION
①
②
③
④
⑤
⑥
①
②
③
④
⑤
⑥
MA 05 12 -X D -2W(83)
①Product Series
②Input Voltage
③Output Voltage
④Fixed Input
⑤DIP24 Package Style
⑥Rated Power(Output current)
ISOLATION SPECIFICATIONS
Parameter
Test conditions
Min.
Typ.
Max.
Units
Storage humidity
Tested for 1 minute and 1mA max
1000
VDC
Isolation resistance
Test at 500VDC
1000
MΩ
APPLICATIONS
The MA_XD-1W & MA_XD-2W Series are specially
designed for applications where a group of polar
power supplies are isolated from the input power
COMMON SPECIFICATIONS
Parameter
Line regulation
supply in a distributed power supply system on a
Test conditions
Min
Typ.
For Vin change of ±5%(1W&2W)
Max.
Units
±0.25
%
10% to 100% full load
±1
%
circuit board.
Output voltage accuracy
100% full load
±3
%
These products apply to:
Temperature drift2
100% full load
0.03
%/℃
1)
Output ripple*
Where the voltage of the input power supply is fixed
20MHz Bandwidth(1W)
10
20
mVp-p
20MHz Bandwidth(2W)
20
40
mVp-p
Output Noise*
20MHz Bandwidth(1W&2W)
50
150
mVp-p
Switching frequency
Full load, nominal
75
(voltage variation≤±5%);
2)
Where isolation is necessary between input
and
output (isolation voltage ≤1000VDC);
3)
Where the regulation of the output voltage and
the
output ripple noise are demanded.
input
Converter section, application notes.
Note:
1. All specifications measured at TA=25℃, humidity<75%, nominal input voltage and rated output load
otherwise specified.
2. See below recommended circuits for more details.
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KHz
*Test ripple and noise by “ parallel cable ” met hod.See detailed operation instructions at Testing of Power
Technical Enquiries-Email:[email protected] Tel:0086-20-86000646
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unless
MA-XD-1W&MA-XD-2W Series
COMMON SPECIFICATION
Parameter
Recommended circuit
Test conditions
Min.
Typ.
Storage humidity
Units
95
%
filtering network may be connected to the input and output ends of the
DC/ DC converter , see (Figure 1).
Operating temperature
-40
85
℃
Storage temperature
-55
125
℃
Temp. rise at full load
Lead temperature
20
1. 5mm from case for 10 seconds
Short circuit protection*
Cooling
If you want to further decrease the input /output ripple, an “LC”
Max
30
℃
300
℃
1
s
Free air convection
Case material
Plastic(UL94-V0)
MTBF
3500
Weight
K hours
11
g
*Supply voltage must be discontinued at the end of short circuit duration.
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 out put
TYPICAL CHARACTERISTICS
filter capacitor must be proper .If the capacitance is too big, a startup
problem might arise. For every channel of out put , provided the safe
and reliable operation is ensured, the greatest capacitance of its filter
capacitor sees (Table 1).
It’s not recommended to connect any external capacitor in the
TYPICAL CHARACTERISTICS
application field with less than 0.5 watt output.
Overload Protection
Under normal operating conditions, the output circuit of these
products has no protection against over-current and short-circuits. The
simplest method is to connect a self-recovery fuse in series at the input
end or add a circuit breaker to the circuit.
Input Over-voltage Protection Circuit
The simplest device for input over-voltage protection is a linear
voltage regulator with overheat protection that is connected to the input
end in series (Figure 2).
C, the
When the environment temperature is higher than 71
71°C,
APPLICATION NOTE
product output power should be less then 60% of the rated power.
Requirement on output load
No parallel connection or plug and play.
To ensure this module can operate efficiently and reliably , During operation, the minimum output
load is not less than 10% of the full load
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.
http://www.microdc.cn
Technical Enquiries-Email:[email protected] Tel:0086-20-86000646
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