MEV3S1212SC Murata Power Solutions Inc, MEV3S1212SC Datasheet - Page 4

• Manufacturer Part Number: MEV3S1212SC
• Description: CONV DC/DC 3W 12V IN 12V OUT SIP
• Manufacturer: Murata Power Solutions Inc
• Series: MEV3r
• Type: Isolatedr

Specifications of MEV3S1212SC

• Number Of Outputs: 1
• Package / Case: 7-SIP Module (4 Leads)
• Output: 12V
• Power (watts): 3W
• Mounting Type: Through Hole
• Voltage - Input: 10.8 ~ 13.2V
• 1st Output: 12 VDC @ 250mA
• Size / Dimension: 0.77" L x 0.30" W x 0.40" H (19.6mm x 7.6mm x 10.2mm)
• Power (watts) - Rated: 3W
• Operating Temperature: -40°C ~ 85°C
• Efficiency: 88%
• Approvals: UL
• Output Power: 3 W
• Input Voltage Range: 10.8 V to 13.2 V
• Input Voltage (nominal): 12 V
• Output Voltage (channel 1): 12 V
• Output Current (channel 1): 250 mA
• Isolation Voltage: 3 KV
• Package / Case Size: SIP
• Output Type: Isolated Single
• Output Voltage: 12 V
• Product: Isolated
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• 2nd Output: -
• 4th Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 811-2122-5

APPLICATION NOTES (continued)
EFFICIENCY VS LOAD
www.murata-ps.com
Output Ripple Reduction
MEV3505xxSC Input Voltage
By using the values of inductance and capacitance stated, the output ripple at the rated load is lowered to 5mV p-p max.
Component selection
Capacitor: It is required that the ESR (Equivalent Series Resistance) should be as low as possible, ceramic types are recommended.
The voltage rating should be at least twice (except for 15V output), the rated output voltage of the DC/DC converter.
Inductor: The rated current of the inductor should not be less than that of the output of the DC/DC converter. At the rated current, the DC resistance of the inductor
should be such that the voltage drop across the inductor is <2% of the rated voltage of the DC/DC converter.
90
80
70
60
50
40
30
20
10
MEV3S0505SC
MEV3S0509SC
MEV3S0512SC
MEV3S0515SC
MEV3S1205SC
MEV3S1209SC
MEV3S1212SC
MEV3S1215SC
0
0
10
20
15V
12V
9V
5V
L, μH
30
10
22
47
47
10
22
47
47
40
84103C
84223C
84473C
84473C
84103C
84223C
84473C
84473C
Load (%)
SMD
Inductor
50
Source
Power
60
Through Hole
11R103C
11R223C
11R473C
11R473C
11R103C
11R223C
11R473C
11R473C
70
80
Capacitor
90
DC
C, μF
4.7
2.2
4.7
2.2
1
1
1
1
100
DC
MEV3512XXSC Input Voltage
3kVDC Isolated 3W Single Output DC/DC Converters
90
80
70
60
50
40
30
20
10
0
0
Technical enquiries email: [e-mail], tel: [phone]
L
10
C
20
15V
12V
9V
5V
30
40
Load
Load (%)
50
2010-03-10 KDC_MEV3.B02 Page 4 of 5
60
MEV3 Series
70
80
90
100