MEJ2 Series
www.murata-ps.com
5.2kVDC Isolated 2W DC/DC Converters
SELECTION GUIDE
Order Code
V
V
3.3
5
mA
%
mVp-p
38
%
kHrs
3910
3757
3830
3654
3472
3663
2629
3259
3200
2453
2779
2707
2638
2203
2330
2100
3969
3654
3472
3663
2629
3270
3268
2453
2779
2707
2638
2203
2330
2100
MEJ2S0303SC
MEJ2S0305SC
MEJ2S0503SC
MEJ2S0505SC
MEJ2S0509SC
MEJ2S0512SC
MEJ2S0515SC
MEJ2S1203SC
MEJ2S1205SC
MEJ2S1209SC
MEJ2S1212SC
MEJ2S1215SC
MEJ2S1505SC
MEJ2S1509SC
MEJ2S1512SC
MEJ2S1515SC
MEJ2D0503SC
MEJ2D0505SC
MEJ2D0509SC
MEJ2D0512SC
MEJ2D0515SC
MEJ2D1203SC
MEJ2D1205SC
MEJ2D1209SC
MEJ2D1212SC
MEJ2D1215SC
MEJ2D1505SC
MEJ2D1509SC
MEJ2D1512SC
MEJ2D1515SC
3.3
3.3
5
606
400
606
400
222
167
133
606
400
222
167
133
400
222
167
133
756
784
528
503
505
495
488
207
214
205
207
205
171
165
164
166
14.0
13.0
10.0
8.5
8.0
8.0
7.0
9.5
8.0
7.0
6.5
7.0
8.5
6.5
6.5
7.0
8.5
7.5
6.5
5.0
6.5
8.0
7.0
5.5
5.5
6.0
7.0
5.5
5.5
5.5
17
15
15
10
11
12
10
11
10
10
8
55
65
55
55
50
55
45
60
60
50
50
45
60
50
55
50
40
50
40
40
35
55
45
40
40
40
50
40
40
35
67
70
67
72
75
74
76
70
75
75
76
76
73
74
74
74
67
72
76
77
76
72
75
77
77
78
74
76
75
75
70
74
70
75
78
77
79
73
78
79
80
80
76
78
79
78
71
76
79
80
79
75
79
81
81
82
78
80
80
79
FEATURES
ꢀRoHS compliant
50
40
43
36
40
34
43
43
35
35
32
44
35
38
36
26
34
27
27
20
37
32
27
27
24
37
26
26
23
3.3
5
5
ꢀBasic/supplementary isolation to UL 609502
ꢀUL60601 (3rd Ed) recognition2
ꢀPower density 0.81W/cm3
ꢀSingle and dual outputs
ꢀUL 94V-0 package material
ꢀFootprint 1.96cm2
5
9
5
12
15
3.3
5
5
12
12
12
12
12
15
15
15
15
5
9
12
15
5
10
10
8
ꢀSIP package style
9
ꢀ5.2kVDC isolation
12
15
8
8
ꢀ3.3V, 5V, 12V & 15V inputs
ꢀ3.3V, 5V, 9V, 12V & 15V output
ꢀInternal SMD construction
ꢀFully encapsulated with toroidal magnetics
3.3
303 535
200 508
111 510
10
9
5
5
9
5
8
5
12
15
3.3
5
83
67
504
492
8
5
7
ꢀPin compatible with the MEV, NMV, NMK, &
12
12
12
12
12
15
15
15
15
303 205
200 212
111 206
9
NMJ series
8
9
7
ꢀMTTF up to 4200 million hours
12
15
5
83
67
208
203
7
7
PRODUCT OVERVIEW
The MEJ2 series are single and dual output
200 170
111 163
9
9
7
medically approved DC/DC converters in a 7 pin SIP
package style offering a power upgrade path from
the NMJ series SIP DC/DC converters. The MEJ2
series is UL 60950 and UL 60601 recognized, which
makes it ideal for applications where safety and
miniaturisation are of paramount importance.
12
15
83
67
167
167
7
7
INPUT CHARACTERISTICS
Parameter
Conditions
Min.
2.97
4.5
Typ.
3.3
5
Max.
3.63
5.5
Units
V
Continuous operation, 3V input types
Continuous operation, 5V input types
Continuous operation, 12V input types
Continuous operation, 15V input types
3.3V input types
Voltage range
10.8
13.5
12
13.2
16.5
140
90
15
100
60
Input reflected ripple
5V input types
mA
12V & 15V input types
22
40
1. Calculated using MIL-HDBK-217 FN2 calculation model with nominal input voltage at full load.
2. See safety approvals section for limitations of use.
3. See ripple & noise test method.
All specifications typical at T =25°C, nominal input voltage and rated output current unless otherwise specified.
A
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KDC_MEJ2C.B01 Page 1 of 7