NCS1S2403SC 데이터 시트보기 (PDF) - Murata Power Solutions
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NCS1S2403SC Datasheet PDF : 8 Pages
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www.murata-ps.com
FEATURES
UL 60950 recognised
4:1 Wide range voltage input
Operating temperature range -40°C to
105°C with derating
1kVDC Isolation “Hi Pot Test”
3.3V, 5V & 12V outputs
No electrolytic capacitors
Continuous short circuit protection
PRODUCT OVERVIEW
The NCS1 series of DC/DC converters offers a
single output voltage from input voltage ranges
of 4.5-18V and 9-36V. The NCS1 is housed in an
industry standard package with a standard pinout.
Applications include telecommunications, battery
powered systems, process control and distributed
power systems.
NCS1 Series
Isolated 1W 4:1 Input Single Output DC/DC Converters
SELECTION GUIDE
Order Code
Input
Voltage
Output
Voltage
Output
Current
Efficiency
5V or 24V Input.
Efficiency
12V Input.
Ripple and Noise
Nom.
V
V
Min. Typ. Min. Typ. Typ. Max.
mA % % % % mVp/p mVp/p pF
NCS1S1203SC 12 3.3 303 73 77 71 75 24 70 24
NCS1S1205SC 12
5
200 76 79
74
77
25
50
30
NCS1S1212SC 12 12 83 75 78 75 79 40 120 35
NCS1S2403SC 24 3.3 303 76 78.5 73 76 35 70 28
NCS1S2405SC 24
5
200 79 82
77
80
27
50
42
NCS1S2412SC 24 12 83 80 83 77 80 28 120 42
MTTF1
kHrs
1020
915
1130
1217
1022
943
INPUT CHARACTERISTICS
Parameter
Conditions
Voltage range
12V input types
24V input types
Input current
NCS1S12XX
NCS1S24XX
Input reflected ripple
current
NCS1S12XX
NCS1S24XX
5V input voltage
12V input voltage
12V input voltage
24V input voltage
Min. Typ. Max. Units
4.5
12
18
V
9
24
36
0.26
0.1
A
0.1
0.05
5
30
mA p-p
5
15
OUTPUT CHARACTERISTICS
Parameter
Conditions
Min. Typ. Max. Units
Rated power
All output types
1
W
Minimal load to meet datasheet specification
10
%
Voltage set point accuracy All output types
±1 ±2 %
Line regulation
Low line to high line
±0.5 %
Load regulation
All output types
0.5 %
Transient response
Peak deviation (12.5-37.5% & 37.5-12.5% swing)
Settling time
(within 5% Vout Nom.)
5
%Vout
2
ms
ISOLATION CHARACTERISTICS
Parameter
Conditions
Isolation test voltage
Flash tested for 1 second
Resistance
Viso = 1kVDC
Min. Typ. Max. Units
1000
VDC
1
GΩ
GENERAL CHARACTERISTICS
Parameter
Conditions
Min. Typ. Max. Units
Switching frequency
100
400 kHz
Control pin input
Module on, pin unconnected or open collector floating
Module off
0.8
V
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com
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.
All enquiries: www.murata-ps.com/support
KDC_NCS1.D01 Page 1 of 8
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