NCS3 Datasheet, PDF (1/10 Pages) Murata Power Solutions Inc. – Isolated 3W 4:1 Input Single Output DC/DC Converters

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NCS3 Series
Isolated 3W 4:1 Input Single Output DC/DC Converters
FEATURES
„UL 60950 recognised
„4:1 Wide range voltage input
„Operating temperature range -40°C to 85°C
with derating
„1.5 kVDC Isolation ‘Hi Pot Test’
„3.3V, 5V, 12V & 15V outputs
„No electrolytic capacitors
„Continuous short circuit protection
PRODUCT OVERVIEW
The NCS3 series of DC/DC converters offers a
single output voltage from input voltage ranges
of 9-36V and 18-75V. The NCS3 is housed in an
industry standard package with a standard pinout.
Applications include telecommunications, battery
powered systems, process control and distributed
power systems.
Ḥ
For full details go to
www.murata-ps.com/rohs
SELECTION GUIDE
Order Code
Nom.
VV
NCS3S1203SC 12 3.3
NCS3S1205SC 12 5
NCS3S1212SC 12 12
NCS3S1215SC 12 15
NCS3S4803SC 48 3.3
NCS3S4805SC 48 5
NCS3S4812SC 48 12
NCS3S4815SC 48 15
Rated Input Rated
Current Input
12V or 48V Current
Input. 24V Input.
% mA
10 250
5
305
0
300
0
300
10 124
5
153
0
150
0
149
mA mA
125 700
150 600
150 250
150 200
65 700
80 600
80 250
80 200
Efficiency
12V or 48V
Input.
Min. Typ.
%%
74 77
79 82
81 84
82 86
70 74
77.5 80
77 81
78 81
Efficiency
24V Input.
Ripple and
Noise
MTTF¹
Min. Typ. Typ. Max.
% % mVp/p mVp/p kHrs
73 76 32 55 1335
79 81 34 60 1081
80 83 28 55 1272
81 85 20 50 1617
74 77 22 55 1327
79 81 36 75 1117
80 83 31 65 1211
81 83 22 55 1574
INPUT CHARACTERISTICS
Parameter
Conditions
Voltage range
12V input types
48V input types
Input reflected ripple
current
NCS3S12XX
NCS3S48XX
Power consumption at shutdown
Input current in shutdown
12V input types
24V input types
24V input types
48V input types
Min. Typ. Max. Units
9
12
36
V
18
48
75
5.5
2
mA p-p
3.5
2
2
mW
2.5 mA
OUTPUT CHARACTERISTICS
Parameter
Conditions
Min. Typ. Max. Units
Rated power
3.3V output types
All other output types
2.31
W
3
Voltage set point accuracy All output types
±1 ±2 %
Line regulation
Low line to high line
±0.5 %
Load regulation
All output types
±1 %
Transient response
Peak deviation (12.5-37.5% & 37.5-12.5% swing)
Settling time
(within 5% Vout Nom.)
5
%Vout
1.5
ms
GENERAL CHARACTERISTICS
Parameter
Conditions
CTRL input current
Please refer to control pin application note
Min. Typ. Max. Units
2
8
mA
ISOLATION CHARACTERISTICS
Parameter
Conditions
Isolation test voltage
Flash tested for 1 minute
Isolation Capacitance
NCS3S12XXSC
NCS3S48XXSC
Resistance
Viso = 1kVDC
Min. Typ. Max. Units
1500
VDC
180
185
pF
1
GΩ
TEMPERATURE CHARACTERISTICS
Parameter
Conditions
Operation
See derating graphs
Min. Typ.
-40
Storage
Case temperature rise above
ambient
100% Load, Nom VIN, Still Air
-50
30
1 Calculated using MIL-HDBK-217 FN2, parts stress method with nominal input voltage at full load.
All specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified.
Max.
85
115
40
Units
°C
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