NMA1215SC Murata Power Solutions Inc, NMA1215SC Datasheet - Page 4

• Manufacturer Part Number: NMA1215SC
• Description: CONV DC/DC 1W 12VIN 15V SIP DL
• Manufacturer: Murata Power Solutions Inc
• Series: NMAr
• Type: Isolatedr

Specifications of NMA1215SC

• Number Of Outputs: 2
• Output: ±15V
• Power (watts): 1W
• Mounting Type: Through Hole
• Voltage - Input: 10.8 ~ 13.2V
• Package / Case: 7-SIP Module (5 Leads)
• 1st Output: 15 VDC @ 33mA
• 2nd Output: -15 VDC @ 33mA
• Size / Dimension: 0.77" L x 0.24" W x 0.39" H (19.6mm x 6.1mm x 9.9mm)
• Power (watts) - Rated: 1W
• Operating Temperature: -40°C ~ 85°C
• Efficiency: 76%
• Approvals: UL
• Output Power: 0.5 W
• Input Voltage Range: 10.8 V to 13.2 V
• Input Voltage (nominal): 12 V
• Output Voltage (channel 1): +/- 15 V
• Output Current (channel 1): +/- 33 mA
• Output Voltage (channel 2): 15 V
• Output Current (channel 2): +/- 33 mA
• Isolation Voltage: 1 KV
• Package / Case Size: SIP
• Product: Isolated
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• 4th Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 811-1459-5

APPLICATION NOTES (continued)
www.murata-ps.com
Ripple & Noise Characterisation Method
Ripple and noise measurements are performed with the following test confi guration.
Differential Mode Noise Test Schematic
Output Ripple Reduction
C1
C2
C3
R1
R2
T1
RLOAD
Measured values are multiplied by 10 to obtain the specifi ed values.
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. The SRF (Self Resonant Frequency) should be
>20MHz.
NMA0505xC
NMA0509xC
NMA0512xC
NMA0515xC
NMA1205xC
NMA1209xC
NMA1212xC
NMA1215xC
NMA1505xC
NMA1512xC
NMA1515xC
1μF X7R m ultilayer ceramic capacitor, voltage rating to be a minimum of 3 times the output voltage of the DC/DC converter
10μF tantalum capacitor, voltage rating to be a minimum of 1.5 times the output voltage of the DC/DC converter with an ESR of less
than 100mΩ at 100 kHz
100nF multilayer ceramic capacitor, general purpose
450Ω resistor, carbon fi lm, ±1% tolerance
50Ω BNC termination
3T of the coax cable through a ferrite toroid
Resistive load to the maximum power rating of the DC/DC converter. Connections should be made via twisted wires
L, μH
100
150
220
150
220
150
220
22
22
47
22
82223C
82104C
82154C
82224C
82223C
82473C
82154C
82224C
82223C
82154C
82224C
Inductor
SMD
SUPPLY
Through Hole
11R223C
11R104C
11R154C
11R224C
11R223C
11R473C
11R154C
11R224C
11R223C
11R154C
11R224C
Source
Power
DC/DC Converter
Input
+
-
Output
+
-
Capacitor
0.47uF
0.33uF
0.33uF
0.33uF
2.2uF
2.2uF
2.2uF
2.2uF
C1 C2 C3
C, μF
1uF
1uF
1uF
R LOAD
DC
R1
DC
Technical enquiries email: [e-mail], tel: [phone]
T1
NMA 5V, 12V & 15V Series
Isolated 1W Dual Output DC/DC Converters
R2
L
OSCILLOSCOPE
Y INPUT
C
2010-09-20 KDC_NMA.G01 Page 4 of 6
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