NMS0505 View Datasheet(PDF) - C AND D TECHNOLOGIES
Part Name
Description
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NMS0505 Datasheet PDF : 2 Pages
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NMS SERIES
6kVDC Isolated 2W Dual Output DC-DC Converters
SELECTION GUIDE
Order Code
Nominal
Input
Voltage
(V)
NMS0505
5
Output
Voltage
(V)
±5
Output
Current
(mA)
±200
Efficiency
(%)
Isolation
Capacitance
(pF)
MTTF1
kHrs
74
1.8
747
NMS0509
5
±9
±111
76
1.9
327
FEATURES
s BS EN 60950 Certified
s UL 1950 Recognised
s 6kVDC Isolation
s Dual Outputs
s Low Profile Package
s Efficiency to 80%
s Power Density 0.48W/cm3
s 5V & 12V Input
s 5V, 9V, 12V & 15V Output
s Footprint 4.75cm2
s UL 94V-0 Package Material
s No Heatsink required
s Internal SMD Construction
s Toroidal Magnetics
s Fully Encapsulated
s MTTF up to 1.0 Million Hours
s PCB Mounting
s Custom Solutions Available
NMS0512
5
±12
±83
77
2.0
169
NMS0515
5
±15
±67
78
2.1
93
NMS1205
12
±5
±200
78
1.9
365
NMS1209
12
±9
±111
81
2.0
224
NMS1212
12
±12
±83
82
2.1
136
NMS1215
12
±15
±67
82
2.2
82
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
Conditions
MIN TYP MAX Units
Voltage Range Continuous operation, 5V input types
4.5
5
5.5
Continuous operation, 12V input types 10.8 12 13.2
V
DESCRIPTION
The NMS Series of DC-DC Converters are UL
1950 recognised and fully certified to BS EN
60950, this makes them ideal for all Telecom
and safety applications where approved
isolation is required. The low profile package
allows mounting in rack systems without risk
of touching other boards. The output
configuration allows all of the rated power to
be drawn from a single pin provided the total
load does not exceed 2 Watts. The devices
feature low noise and low isolation
capacitance suitable for applications in high
noise enviroments, eg heavy electrical
machine interface.
OUTPUT CHARACTERISTICS
Parameter
Conditions
Rated Power2 TA= 0°C to 70°C
Voltage Set
Point Accuracy
See tolerance envelope
Line Regulation High VIN to low VIN
10% load to rated load, 5V output types
Load Regulation 10% load to rated load, 9V output types
10% load to rated load, 12V output types
10% load to rated load, 15V output types
Ripple & Noise BW=DC to 20MHz, all output types
MIN
–7.5
ABSOLUTE MAXIMUM RATINGS
Short-circuit duration3
Internal power dissipation
Lead temperature 1.5mm from case for 10 seconds
Input voltage VIN, NMS05 types
Input voltage VIN, NMS12 types
TYP MAX Units
2
W
10
%
1.0 1.2 %/%
10
15
6
15
%
6
15
6
15
200 mV p-p
1 second
900mW
300°C
7V
15V
www.dc-dc.com
1 Calculated using MIL-HDBK-217F with nominal input voltage at full load.
2 See derating curve
3 Supply voltage must be discontinued at the end of the short circuit duration.
All specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified.
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