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www.murata-ps.com NGA Series
Non-Isolated Wide Input DC/DC Converters
SELECTION GUIDE
Output
Current
Nominal Input
Current at Full Load
Power Consumption
at Shutdown
Nominal
Ef?ciency
Order Code
Min.
Full
Min. Nom. Max. Min. Nom. Max. Min. Max.
Load Load
V IN
V IN
V IN
V IN
V IN
V IN
V IN
V IN
V
V
A mA mW %
NGA10S15018SC
NGA10S15018DC
NGA10S15025SC
NGA10S15025DC
NGA10S15033SC
15 1.8 0 2.0 847 280 160 0.5 4.8 16.1 89 81 SIP
15 1.8 0 2.0 847 280 160 0.5 4.8 16.1 89 81 DIP
15 2.5 0 2.0 1142 380 210 0.5 4.8 16.1 92 85 SIP
15 2.5 0 2.0 1142 380 210 0.5 4.8 16.1 92 85 DIP
15 3.3 0 2.0 1478 480 269 0.5 4.8 16.1 94 88 SIP
FEATURES
RoHS compliant
Ef?ciency to 95%
NGA10S15033DC
NGA10S15050SC
NGA10S15050DC
NGA10S15050SEC 1
NGA10S15050DEC 1
15 3.3 0 2.0 1478 480 269 0.5 4.8 16.1 94 88 DIP
15 5.0 0 2.0 1493 705 388 1.0 4.8 16.1 95 92 SIP
15 5.0 0 2.0 1493 705 388 1.0 4.8 16.1 95 92 DIP
15 5.0 0 2.0 1493 705 388 1.0 4.8 16.1 95 92 SIP
15 5.0 0 2.0 1493 705 388 1.0 4.8 16.1 95 92 DIP
78SRH-3.3/2-C
NGA10S15018SC
OKR-T/3-W12-C
NGA10S15033DC
download the
NGA10S15018DC OKR-T/3-W12-C download the NGA10S15050SC 78SR-5/2-C
NGA10S15025SC
OKR-T/3-W12-C
NGA10S15050DC
78SRH-5/2-C
sheet ?
NGA10S15033SC
78SR-3.3/2-C
NGA10S15050DEC
OKR-T/3-W12-C
Industry standard footprint
Short circuit protection
Wide input range
1.8V, 2.5V, 3.3V & 5V Output
Operating temperature range -40oC to 85oC
SMD construction
Optional shutdown & trim pins
RECOMMENDED ALTERNATIVES:
Order Code Recommended Alternative Order Code Recommended Alternative
Click to
Click to
78SR data
OKR data
sheet ?
NGA10S15025DC OKR-T/3-W12-C NGA10S15050SEC OKR-T/3-W12-C OKR data
78SR data sheet ? sheet ?
Note: Also see OKI-78SR series for ≤1.5A models. Click here for the data sheet ?
INPUT CHARACTERISTICS
(NGA10S15050SEC & NGA10S15050DEC)
DESCRIPTION
The NGA series is a range of low pro?le DC/DC
converters offering a single regulated output over
Parameter
Voltage range
Conditions
Continuous operation, 1.8V, 2.5V & 3.3V
output types
Continuous operation NGA10S15050SC
Continuous operation NGA10S15050SEC
Min.
4.75
7.0
Variable 2
Typ.
15
15
15
Max.
28
28
28
Units
V
a wide input voltage range. All parts deliver the full
1.8V output types
29
output power up to 85oC without the need for exter-
nal heatsinking while the synchronus recti?cation
design yields excellent ef?ciencies up to 95%.
Re?ected ripple current
2.5V output types
3.3V output types
5.0V output types
49
48
99
mA p-p
OUTPUT CHARACTERISTICS
Parameter
Conditions
Min.
Typ.
Max.
Units
Rated power
Voltage set point accuracy
T A =-40oC to 85oC
±1.5
10
±5.0
W
%
Line regulation
Load regulation
Ripple and noise
Low line to high line, with external input/
output capacitors, refer to test circuit
10% load to 100% load, with external input/
output capacitors, refer to test circuit
BW=DC to 20MHz, with external input/output
capacitors, refer to test circuit
0.2
1.5
40
0.5
2.0
70
%/%
%
mVp-p
TEMPERATURE CHARACTERISTICS
Parameter
Conditions
Min.
Typ.
Max.
Units
Operation
-40
85
Storage
PCB temperature above ambient
-55
40
125
oC
　
1. If optional V ADJ 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
www.murata-ps.com
All speci?cations typical at T A =25°C, nominal input voltage and rated output current unless otherwise speci?ed.
Technical enquiries email: mk@murata-ps.com, tel: +44 (0)1908 615232
2013-01-24
KDC_NGAC.F03 Page 1 of 6
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