Model Selection Guide
www.micropowerdirect.com
Input
Output
Reflected
Ripple
Fuse
Rating
Capacitive
Model
Number
Efficiency
(%, Typ)
Voltage (VDC)
Current (mA)
Load
Voltage Current
Current
(mA, Min)
Current
(mA Pk-Pk)
Slow-Blow
(mA)
(µF, Max)
(VDC)
(mA, Max)
Nominal
Range
Full-Load No-Load
MD105S-05TI
MD105S-12TI
MD105S-15TI
MD105D-05TI
MD105D-12TI
MD105D-15TI
MD112S-05TI
MD112S-12TI
MD112S-15TI
MD112D-05TI
MD112D-12TI
MD112D-15TI
MD124S-05TI
MD124S-12TI
MD124S-15TI
MD124D-05TI
MD124D-12TI
MD124D-15TI
5.0
5.0
5.0
5.0
5.0
5.0
12
12
12
12
12
12
24
24
24
24
24
24
4.5 - 5.5
4.5 - 5.5
4.5 - 5.5
4.5 - 5.5
4.5 - 5.5
253
253
253
253
253
250
105
105
104
105
105
105
53
40
40
40
40
40
40
18
18
18
18
18
18
9
5.0
12.0
15.0
5.0
12.0
15.0
5.0
12.0
15.0
5.0
12.0
15.0
5.0
200.00
83.30
66.70
100.00
41.67
33.33
200.00
83.30
66.70
100.00
41.67
33.33
200.00
83.30
66.70
100.00
41.67
33.33
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
80
80
80
80
80
81
80
80
81
80
80
80
80
80
80
80
80
80
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
220
100
100
100
47
500
500
500
500
500
500
200
200
200
200
200
200
100
100
100
100
100
100
4.5 - 5.5
47
10.8 - 13.2
10.8 - 13.2
10.8 - 13.2
10.8 - 13.2
10.8 - 13.2
10.8 - 13.2
21.6 - 26.4
21.6 - 26.4
21.6 - 26.4
21.6 - 26.4
21.6 - 26.4
21.6 - 26.4
220
100
100
100
47
47
220
100
100
100
47
53
53
53
53
9
9
9
9
12.0
15.0
5.0
12.0
15.0
53
9
47
Notes:
Typical Connection
1. The specified maximum capacitive load is for each output.
2. Load regulation is measured over a range of 10% to 100% IOUT.
3. When measuring output ripple, it is recommended that an external
0.1 µF ceramic capacitor be placed from the +VOUT pin to the -VOUT
pin, as shown in the typical connection diagram at right.
4. With the addition of input filter components, all models will meet EN
55022 class B. A suggested circuit is shown in the connection diagram
at right (components C2, L1). Contact the factory for more information.
5. To meet the requirements of EN 61000-4-5, external components are
needed.The typical connection at right shows the external components
C1 and D1 that would typically achieve this.Contact the factory for more
information.
For applications that require meeting EMC standards, the diagram
above illustrates a typical connection of the MD100x-xxTIseries.
The units do not require external components to operate as specified.
All components should be mounted as close to the unit as possible.
Capacitors C3 & C4 are not required to meet specifications, but may
be used if a lower level of output ripple is required. Capacitor C3 is a
high frequency ceramic capacitor and C4 is an electrolytic.
6. Operation at no-load will not damage the unit, but they may not meet all
specifications.
7. It is recommended that a fuse be used on the input of a power supply
for protection. See the Model Selection tables for the correct rating.
Recommended values for components are:
Component
C1
D1
C2
L1
C3
C4
MD105x-xxTI 1,000 µF/35V 3.0SMCJ9.0AG 1206, 4.7 µF/50V
6.8 µH
6.8 µH
6.8 µH
0.1 µF
0.1 µF
0.1 µF
10 µF
10 µF
10 µF
MD112x-xxTI 1,000 µF/35V 3.0SMCJ18AG
MD124x-xxTI 330 µF/50V 3.0SMCJ28AG
1206, 4.7 µF/50V
1206, 4.7 µF/50V
Derating Curve
Mechanical Dimensions, MD100X-xx Models
Pin Connections
Pin
1
Single Output
+VIN
Pin
1
2
Dual Output
+VIN
-VIN
2
-VIN
5
-VOUT
5
-VOUT
6
7
No Pin
+VOUT
6
7
Common
+VOUT
Notes:
•
•
•
All dimensions are typical in inches (mm)
General Tolerance x.xx = 0.02 ( 0.5)
Pin 1 is marked by a “dot” or indentation on the unit
MicroPower Direct
We Power Your Success - For Less!
292 Page Street Ste D Stoughton, MA 02072
•
TEL: (781) 344-8226
•
FAX: (781) 344-8481
•
E-Mail: sales@micropowerdirect.com
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