MEV Series
3kVDC Isolated 1W Single Output DC/DC Converters
SELECTION GUIDE
Load Regulation
(Typ)
Load Regulation
(Max)
Efficiency (Min.)
Input Current at
Rated Load
Efficiency (Typ.)
Output Current
Ripple & Noise
(Typ)
1
Ripple & Noise
(Max)
1
Nominal Input
Voltage
Isolation
Capacitance
pF
38
42
40
39
28
50
70
59
Output
Voltage
Order Code
V
MEV1S0505SC
MEV1S0509SC
MEV1S0512SC
MEV1S0515SC
MEV1S1205SC
MEV1S1209SC
MEV1S1212SC
MEV1S1215SC
5
5
5
5
12
12
12
12
V
5
9
12
15
5
9
12
15
mA
200
111
84
67
200
111
84
67
mA
233
227
226
225
98
96
94
94
5.2
4
4.5
4.2
4.4
2.9
2.9
2.4
%
6
5
5.5
5
4.8
3.2
3.1
2.8
mVp-p
20
12
10
8
12
8
7
7
30
20
20
15
15
15
15
15
%
80.5
82.5
84
84.5
80
83
84
82
%
84
86
87
87
83.5
86
87
87
kHrs
3583
3286
2886
2419
3308
3054
2705
2290
FEATURES
RoHS compliant
Efficiency from 80%
Power density 0.85W/cm
3
Wide temperature performance at full
1 Watt load, –40°C to 85°C
UL 94V-0 package material
No heatsink required
Industry standard pinout
3kVDC isolation (1 minute)
5V & 12V input
5V, 9V, 12V, & 15V output
Fully encapsulated with toroidal
magnetics
No external components required
No electrolytic or tantalum capacitors
When operated
with
additional external load capacitance the rise time of the input voltage will determine the maximum external
capacitance value for guaranteed start up. The slower the rise time of the input voltage the greater the maximum value of the
additional external capacitance for reliable start up.
INPUT CHARACTERISTICS
Parameter
Voltage range
Reflected ripple current
Conditions
Continuous operation, 5V input types
Continuous operation, 12V input types
5V input types
12V input types
Min.
4.5
10.8
Typ.
5
12
11
5
Max.
5.5
13.2
20
15
Units
V
mA p-p
ABSOLUTE MAXIMUM RATINGS
Lead temperature 1.5mm from case for 10 seconds
Internal power dissipation
Input voltage V
IN
, MEV05 types
Input voltage V
IN,
MEV12 types
300°C
300mW
7V
15V
OUTPUT CHARACTERISTICS
Parameter
Rated Power
Voltage Set Point Accuracy
Line regulation
PRODUCT OVERVIEW
The MEV series is the new high performance
version of our 1W NMV series. The MEV series
is more efficient and offers improved regulation
performance ≤5% for applications where a wide
output voltage variation can not be tolerated. They
are ideally suited for providing local supplies on
control system boards with the added benefit
of 3kVDC galvanic isolation to reduce switching
noise. The MEV series is currently available in an
industry SIP 7 package.
Conditions
T
A
=-40
°C
to 85
°C
See tolerance envelope
High V
IN
to low V
IN
Min.
Typ.
Max.
1
Units
W
%/%
1.05
1.2
ISOLATION CHARACTERISTICS
Parameter
Isolation test voltage
Resistance
Conditions
Flash tested for 1 minute
Viso= 1000VDC
Min.
3000
10
Typ.
Max.
Units
VDC
GΩ
GENERAL CHARACTERISTICS
Parameter
Switching frequency
Conditions
5V input types
12V input types
Min.
Typ.
60
75
Max.
Units
kHz
TEMPERATURE CHARACTERISTICS
Parameter
Specification
Storage
Conditions
All output types
5V output types
All other output types
Free air convection
Min.
-40
-50
Typ.
Max.
85
125
20
20
Units
°C
Case Temperature above
ambient
Cooling
For full details go to
www.murata-ps.com/rohs
1. See Ripple & Noise characterisation method.
2. Calculated using MIL-HDBK-217F FN2 with nominal input voltage at full load.
All specifications typical at T
A
=25°C, nominal input voltage and rated output current unless otherwise specified.
www.murata-ps.com
Technical enquiries
email: mk@murata-ps.com, tel:
+44 (0)1908 615232
KDC_MEVC.A01
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