NGA Series
Non-Isolated Wide Input DC/DC Converters
SELECTION GUIDE
Output
Current
Nominal Input
Current at Full Load
Power Consumption Nominal
at Shutdown Efficiency
Order Code
Min. Full Min. Nom. Max. Min. Nom. Max. Min. Max.
Load Load
VIN
VIN
VIN
VIN
VIN
VIN
VIN
VIN
V
V
A
mA
mW
%
NGA10S15018SC
NGA10S15018DC
NGA10S15025SC
NGA10S15025DC
NGA10S15033SC
NGA10S15033DC
NGA10S15050SC
NGA10S15050DC
NGA10S15050SEC1
NGA10S15050DEC1
15
15
15
15
15
15
15
15
15
15
1.8
1.8
2.5
2.5
3.3
3.3
5.0
5.0
5.0
5.0
0
0
0
0
0
0
0
0
0
0
2.0
2.0
847 280 160
847 280 160
0.5
0.5
0.5
0.5
0.5
0.5
1.0
1.0
1.0
1.0
4.8 16.1 89
4.8 16.1 89
4.8 16.1 92
4.8 16.1 92
4.8 16.1 94
4.8 16.1 94
4.8 16.1 95
4.8 16.1 95
4.8 16.1 95
4.8 16.1 95
81 SIP
81 DIP
85 SIP
85 DIP
88 SIP
88 DIP
92 SIP
92 DIP
92 SIP
92 DIP
2.0 1142 380 210
2.0 1142 380 210
2.0 1478 480 269
2.0 1478 480 269
2.0 1493 705 388
2.0 1493 705 388
2.0 1493 705 388
2.0 1493 705 388
FEATURES
ꢀ RoHS compliant
ꢀ Efficiency to 95%
ꢀ Industry standard footprint
ꢀ Short circuit protection
ꢀ Wide input range
INPUT CHARACTERISTICS
Parameter
Conditions
Min.
Typ.
15
Max.
Units
V
Continuous operation, 1.8V, 2.5V & 3.3V
output types
4.75
28
ꢀ 1.8V, 2.5V, 3.3V & 5V Output
ꢀ Operating temperature range -40ºC to 85ºC
ꢀ SMD construction
Voltage range
Continuous operation NGA10S15050SC
Continuous operation NGA10S15050SEC
1.8V output types
7.0
Variable2
15
15
29
49
48
99
28
28
2.5V output types
Reflected ripple current
mA p-p
ꢀ Optional shutdown & trim pins
(NGA10S15050SEC & NGA10S15050DEC)
3.3V output types
5.0V output types
OUTPUT CHARACTERISTICS
DESCRIPTION
Parameter
Conditions
Min.
Typ.
Max.
10
Units
W
The NGA series is a range of low profile DC/DC
converters offering a single regulated output over
a wide input voltage range. All parts deliver the full
output power up to 85ºC without the need for exter-
nal heatsinking while the synchronus rectification
design yields excellent efficiencies up to 95%.
Rated power
TA =-40ºC to 85ºC
Voltage set point accuracy
1.5
0.2
5.0
%
Low line to high line, with external input/
output capacitors, refer to test circuit
Line regulation
Load regulation
Ripple and noise
0.5
2.0
70
%/%
%
10% load to 100% load, with external input/
output capacitors, refer to test circuit
1.5
40
BW=DC to 20MHz, with external input/output
capacitors, refer to test circuit
mVp-p
TEMPERATURE CHARACTERISTICS
Parameter
Operation
Storage
Conditions
Min.
-40
Typ.
40
Max.
85
Units
ºC
-55
125
PCB temperature above
ambient
ABSOLUTE MAXIMUM RATINGS
Short-circuit protection
Continuous
300ºC
1.1W
Lead temperature 1.5mm from case for 10 seconds
Internal power dissipation
Input voltage VIN
28V
Minimum load
0%
Output trim control
OV to +5V relative to COMMON
Shutdown control
-0.3V to +28V relative to COMMON
1.If optional VADJ and SD pin are required (as indicated in the mechanical dimensions diagram) include an E in the part number when
ordering, i.e. NGA10S1505SEC & NGA10S1505DEC.
2. Supply voltage should exceed output voltage by 1.45V.
For full details go to
www.murata-ps.com/rohs
All specifications typical at T
A
=25°C, nominal input voltage and rated output current unless otherwise specified.
www.murata-ps.com
Technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232
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