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UST Models
Performance Speci?cations and Ordering Guide
?
3W, Single Output DC/DC Converters
Model ?
V OUT
(Volts)
I OUT
(mA, Max.)
Output
R/N (mVp-p) ?
Typ. Max.
Regulation (Max.) ?
Line Load
V IN Nom.
(Volts)
Input
Range
(Volts)
I IN ?
(mA)
Ef?ciency
Min. Typ.
Package
(Case,
Pinout)
UST-5/500-D12-C
UST-5/500-D48-C
5
5
500
500
75
75
120
120
±0.2%
±0.2%
±0.5%
±0.5%
12
48
9-18
18-72
25/282
7/69
70%
71%
74%
75%
C1, P1
C1, P1
OBSOLETE
OBSOLETE
*
*
UST-12/250-D12-C
UST-12/250-D48-C
UST-15/200-D12-C
UST-15/200-D48-C
12
12
15
15
250
250
200
200
75
75
75
75
150
150
150
150
±0.5%
±0.5%
±0.5%
±0.5%
±0.5%
±0.5%
±0.5%
±0.5%
12
48
12
48
9-18
18-72
9-18
18-72
25/338
8/81
25/333
8/81
72%
73%
73%
73%
74%
77%
75%
77%
C1, P1
C1, P1
C1, P1
C1, P1
OBSOLETE
OBSOLETE
OBSOLETE
UST-5/500-D5-C
UST-12/250-D5-C
UST-15/200-D5-C
5
12
15
500
250
200
75
75
75
120
150
150
±0.2%
±0.5%
±0.5%
±0.5%
±0.5%
±0.5%
5
5
5
4.5-9
4.5-9
4.5-9
18/676
30/800
30/800
72%
73%
73%
74%
75%
75%
C1, P1
C1, P1
C1, P1
* As of September 2014, ONLY the following part numbers will be available: UST-5/500-D12-C; UST-5/500-D48-C;
LAST TIME BUY: AUGUST 31, 2014. CLICK HERE FOR OBSOLESCENCE NOTICE OF FEBRUARY 2014.
UST-12/250-D48-C; UST-15/200-D48-C
PART NUMBER STRUCTURE
?
?
?
?
?
Typical at T A = +25°C under nominal line voltage and full-load conditions unless otherwise noted.
Ripple/Noise (R/N) measured over a 20MHz bandwidth.
10% to 100% load.
Nominal line voltage, no-load/full-load conditions.
These are not complete model numbers. Please refer to the part number structure when ordering.
MECHANICAL SPECIFICATIONS
U ST - 5 / 500 - D48 - C
1.25
(31.75)
S TANDOFF S
0.025
Output Con?guration:
U = Unipolar
RoHS-6
compliant*
0.45
(11.43)
Case C1
(0.64)
Product Series
Input Voltage Range:
D5 = 4.5-9 Volts (5V nominal)
Nominal Output Voltage:
5, 12 or 15 Volts
Maximum Output Current
in mA
D12 = 9-18 Volts (12V nominal)
D48 = 18-72 Volts (48V nominal)
* Contact Murata Power Solutions
for availability.
0.020 ±0.002 DIA.
(0.508 ±0.051)
0.600
(15.24)
0.200
(5.08)
0.15 MIN
(3.81)
TEMPERATURE DERATING
0.100
(2.54)
0.18
(4.57)
3 4
7
8
3.5
Output Power vs. Ambient Temperature
V IN Nominal, Natural Convection
1 2
5
6
0.600
(15.24)
0.80
(20.32)
3
BOTTOM VIEW
2.5
PLA S TIC CA S E WITH AN IN S ULATED BA S E
0.10
(2.54)
DIMEN S ION S ARE IN INCHE S (MM)
2
1.5
I/O Connections
Dimensions are in inches (mm shown for ref. only).
1
0.5
Pin
1
2
3
Function P1
+Vin
+Vin
–Vin
Third Angle Projection
0
–40
0
15
20
25
30
35
40 45 50 55 60 65 70
Ambient Temperature ( ? C)
75
80
85
90
95 100
4
5
6
7
8
–Vin
Common
+Vout
Common
+Vout
Tolerances (unless otherwise speci?ed):
.XX ± 0.02 (0.5)
.XXX ± 0.010 (0.25)
Angles ± 2?
Components are shown for reference only.
www.murata-ps.com/support
MDC_UST_3W.D01 Page 2 of 4
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