Datasheet
0.020 ±0.002 DIA.
(0.508 ±0.051)
STANDOFFS
0.025
(0.64)
0.45
(11.43)
1.25
(31.75)
BOTTOM VIEW
PLASTIC CASE WITH AN INSULATED BASE
1
2
34
56
87
0.200
(5.08)
0.18
(4.57)
0.100
(2.54)
0.10
(2.54)
0.80
(20.32)
0.600
(15.24)
0.600
(15.24)
0.15 MIN
(3.81)
DIMENSIONS ARE IN INCHES (MM)
PART NUMBER STRUCTURE
MECHANICAL SPECIFICATIONS
Performance Specifi cations and Ordering Guide
R/N (mVp-p) ➁
Load
VOUT
(Volts)
Package
(Case,
Pinout)
Effi ciency
Regulation (Max.) ➂
Line
V
IN Nom.
(Volts)
Range
(Volts)
IIN
➃
(mA)
➀
Max.
Typ.
Typ.
Min.
IOUT
(mA, Max.)
➀ Typical at TA = +25°C under nominal line voltage and full-load conditions unless otherwise noted.
➁ Ripple/Noise (R/N) measured over a 20MHz bandwidth.
➂ 10% to 100% load.
➃ Nominal line voltage, no-load/full-load conditions.
➄ These are not complete model numbers. Please refer to the part number structure when ordering.
Input Voltage Range:
D5 = 4.5-9 Volts (5V nominal)
D12 = 9-18 Volts (12V nominal)
D48 = 18-72 Volts (48V nominal)
Nominal Output Voltage:
5, 12 or 15 Volts
Maximum Output Current
in mA
Product Series
Output Confi guration:
U = Unipolar
5U ST 500 D48
-
/
-
Case C1
Pin
1
2
3
4
5
6
7
8
I/O Connections
Function P1
+Vin
+Vin
–Vin
–Vin
Common
+Vout
Common
+Vout
Output Power (Watts)
Ambient Temperature (
˚
C)
–40 0 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
3.5
3
2.5
2
1.5
1
0.5
0
Output Power vs. Ambient Temperature
V
IN
Nominal, Natural Convection
TEMPERATURE DERATING
RoHS-6
compliant*
C
* Contact Murata Power Solutions
for availability.
-
Output Input
Third Angle Projection
Dimensions are in inches (mm shown for ref. only).
Components are shown for reference only.
Tolerances (unless otherwise specified):
.XX ± 0.02 (0.5)
.XXX ± 0.010 (0.25)
Angles ± 2˚
UST-5/500-D12-C 5 500 75 120 ±0.2% ±0.5% 12 9-18 25/282 70% 74% C1, P1
UST-5/500-D48-C 5 500 75 120 ±0.2% ±0.5% 48 18-72 7/69 71% 75% C1, P1
UST-12/250-D12-C 12 250 75 150 ±0.5% ±0.5% 12 9-18 25/338 72% 74% C1, P1
UST-12/250-D48-C 12 250 75 150 ±0.5% ±0.5% 48 18-72 8/81 73% 77% C1, P1
UST-15/200-D12-C 15 200 75 150 ±0.5% ±0.5% 12 9-18 25/333 73% 75% C1, P1
UST-15/200-D48-C 15 200 75 150 ±0.5% ±0.5% 48 18-72 8/81 73% 77% C1, P1
UST-5/500-D5-C 5 500 75 120 ±0.2% ±0.5% 5 4.5-9 18/676 72% 74% C1, P1
UST-12/250-D5-C 12 250 75 150 ±0.5% ±0.5% 5 4.5-9 30/800 73% 75% C1, P1
UST-15/200-D5-C 15 200 75 150 ±0.5% ±0.5% 5 4.5-9 30/800 73% 75% C1, P1
As of September 2014, ONLY the following part numbers will be available: UST-5/500-D12-C; UST-5/500-D48-C;
UST-12/250-D48-C; UST-15/200-D48-C
www.murata-ps.com/support
Model
➄
UST Models
3W, Single Output DC/DC Converters
MDC_UST_3W.E01 Page 2 of 4