NTH SERIES
Isolated 2W Dual Output SM DC-DC Converters
SELECTION GUIDE
Nominal
Input
Input
Output
Output
Current
Current at
Isolation
Voltage Voltage
(V)
Rated Load Efficiency Capacitance MTTF1
5
Order Code
(V)
(mA)
200
111
83
(mA)
500
494
488
476
208
201
198
198
(%)
80
81
82
84
80
83
84
84
(pF)
24
28
30
33
35
55
63
66
kHrs
1547
663
338
187
490
343
229
148
NTH0505M
NTH0509M
NTH0512M
NTH0515M
NTH1205M
NTH1209M
NTH1212M
NTH1215M
5
5
5
9
5
12
15
5
5
67
12
12
12
12
200
111
83
9
FEATURES
ꢀ Wide Temperature Performance at
12
15
Full 2 Watt Load, –40°C to 85°C
67
ꢀ Lead Frame Technology
ꢀ CECC00802 Reflow (280°C)
ꢀ Dual Isolated Output
ꢀ 1kVDC Isolation
INPUT CHARACTERISTICS
Parameter
Conditions
MIN
4.5
TYP
5
12
50
70
MAX Units
Continuous operation, 5V input types
Continuous operation, 12V input types 10.8
5V input types
5.5
13.2
Voltage Range
V
ꢀ Efficiency to 84%
3
Reflected Ripple Current
mA p-p
ꢀ Power Density 1.54W/cm
12V input types
ꢀ 5V & 12V Input
ꢀ 5V, 9V, 12V and 15V Output
OUTPUT CHARACTERISTICS
2
ꢀ Footprint Over Pins 3.16cm
Parameter
Conditions
MIN
TYP
MAX Units
2
Rated Power
TA = – 40°C to 85°C
2.0
W
ꢀ UL 94V-0 Package Material
ꢀ No Heatsink Required
Output Voltage
Accuracy
Line regulation
NTH0505
All other variants
High VIN to low VIN
–5.0
–5.0
7.5
5.0
1.2
%
ꢀ Internal SMD Construction
ꢀ MTTF up to 2.1 Million Hours
ꢀ Custom Solutions Available
ꢀ Multi Layer Ceramic Capacitors
ꢀ Lead Free Compatible
1.0
5.0
%/%
10% load to rated load, 5V output types
10% load to rated load,
10
3
Load Regulation
%
3.0
10
9V,12V & 15V output types
BW=DC to 20MHz, 5V output types
BW=DC to 20MHz, 9V output types
BW=DC to 20MHz, 12V output types
BW=DC to 20MHz, 15V output types
150
100
80
200
150
150
150
Ripple and Noise
mV p-p
70
DESCRIPTION
The NTH series of miniature surface mounted
DC-DC Converters employ leadframe
technology and transfer moulding techniques
to bring all of the benefits of IC style
packaging to hybrid circuitry. The component
lead termination of this product range is lead-
free compatible, therefore the converter can
be soldered in a lead-free soldering process.
The devices are fully compatible with
ABSOLUTE MAXIMUM RATINGS
Short circuit duration
Internal power dissipation
Lead temperature 1.5mm from case for 10 seconds
Input Voltage VIN , NTH05 types
Input voltage VIN , NTH12 types
4
1second
550mW
300°C
7V
15V
ISOLATION CHARACTERISTICS
CECC00802 to 280°C which allows them to
be placed and reflowed with IC’s, thus
reducing time and cost in production. Co-
planarity of the lead positions is based upon
IEC 191-6:1990. The devices are suitable for
all applications where high volume
Parameter
Conditions
MIN
TYP
MAX Units
VDC
Isolation Test Voltage
Resistance
Flash tested for 1 second
Viso=500VDC
1000
1
10
GΩ
GENERAL CHARACTERISTICS
Parameter
Conditions
MIN
TYP
95
90
MAX Units
production is envisaged.
All
5V input types
All 12V input types
Switching Frequency
kHz
1 Calculated using MIL-HDBK-217F with nominal input voltage at full load.
2 See derating curve.
3 12V input types have typically 3% less load regulation change.
4 Supply voltage must be discontinued at the end of the short circuit duration.
5 If components are required in tape and reel format suffix order code with -R, e.g. NTH0505M-R
All specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified.
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