UWR Models
www.murata-ps.com
Single Output, High-Density,
6 Amp/15 Watt DC/DC Converters
Typical units
PRODUCT OVERVIEW
The new 1.2, 1.5V, 1.8V and 2.5V models in dependent) without heat sinks or supplemental
Murata Power Solutions flagship 7-15 Watt forced-air cooling. Devices derate to +100C.
A-Series can source a continuous 6 Amps. This Output voltages are 1.2, 1.5, 1.8, 2.5, 3.3, 5,
is the mostlow-voltag current available from 12 or 15 Volts. Input voltage ranges are 10-18V
a standard 1" x 2" package, and these power (D12 models), 18-36V (D24 models) or 36-75V
converters exemplify Murata Power Solutions (D48 models). All models feature input pi filters,
FEATURES
relentless drive to bring you more power/current, input undervoltage and overvoltage lockout, input
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1.2-2.5VOUT models source 6 Amps
from standard packages, without compromising reverse-polarity protection, output overvoltage
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3.3VOUT models source 4.25 Amps
reliability or resorting to thermal specmanship. protection, output current limiting, and continuous
By combining a high-frequency, high-efficiency short-circuit protection. On/off control and output-
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5/12/15VOUT models deliver full 15 Watts
(to 88%), synchronous-rectifier topology with trim functions are optional (see Optional Functions).
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Synchronous-rectifier topologies
the newest components and time-tested, fully All models are designed to meet IEC950, UL1950
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Guaranteed efficiencies to 88%
automated, SMT-on-pcb construction, these and EN60950-1, 2nd Edition safety requirements.
n UWR Models are able to bring you 7-15W (@ D48models (36-75V inputs) are CE marked.
Choice of 3 input voltage ranges:
up to 6A) in the standard 1" x 2" package from UWR 7-15W DC/DCs are packaged in low-
10-18V, 18-36V, 36-75V
which most competitors can only get 5-10W (@ cost, light-weight, diallyl phthalate (UL94V-0
n
40 to +60/70C ambient w/o derating
3-4A). All UWRs deliver their full output power rated) plastic packages with standoffs. EMC
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Fully isolated (1500Vdc); I/O protected
over ambient temperature ranges from 40C compliance is achieved via a low-noise design
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Meets UL/IE/EN60950-1 certification, to as high as +70C (model and input voltage rather than through expensive metal shielding.
2nd Edition
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CE mark (75VIN models)
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Standard 1" x 2" packages and pinouts
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Optional VOUT trim and on/off control
+VIN
+VOUT
(1)
(4)
SWITCH
CONTROL
COMMON
(6)
VIN
(2)
PWM OPTO REFERENCE &
TRIM
CONTROLLER ISOLATION ERROR AMP
(5)
(OPTIONAL)
UVLO & OVLO
ON/OFF COMPARATORS
CONTROL
(3)
Typical topology is shown.
(OPTIONAL)
Figure 1. Simplified Schematic
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
MDC_UWR_7-15.I03 Page 1 of 13UWR Models
Single Output, High-Density,
6 Amp/15 Watt DC/DC Converters
Performance Specifications and Ordering Guide
ORDERING GUIDE
Output Input
Efficiency
Package
Root Model R/N (mV p-p) Regulation (max.)
Vout Iout Vin nom. Range Iin
(Case, Pinout)
(Volts) (mA) (Volts) (Volts) (mA)
Typ. Max. Line Load Min. Typ.
UWR-1.2/6000-D12A-C 1.2 6000 40 75 0.2% 0.5% 12 10-18 80/769 76% 78% C14, P22
UWR-1.2/6000-D24A-C 1.2 6000 40 75 0.05% 0.75% 24 18-36 45/375 78% 80% C14, P22
UWR-1.2/6000-D48A-C 1.2 6000 40 75 0.2% 0.5% 48 36-75 80/188 78% 80% C14, P22
UWR-1.5/6000-D12A-C 1.5 6000 30 55 0.1% 0.5% 12 10-18 75/914 77.5% 79.5% C14, P22
UWR-1.5/6000-D24A-C 1.5 6000 30 55 0.1% 0.5% 24 18-36 40/454 78% 80% C14, P22
UWR-1.5/6000-D48A-C 1.5 6000 30 55 0.1% 0.5% 48 36-75 25/226 78.5% 80.5% C14, P22
UWR-1.8/6000-D12A-C 1.8 6000 30 55 0.1% 0.5% 12 10-18 70/1084 81% 83% C14, P22
UWR-1.8/6000-D24A-C 1.8 6000 30 55 0.1% 0.5% 24 18-36 35/539 82.5% 84.5% C14, P22
UWR-1.8/6000-D48A-C 1.8 6000 30 55 0.1% 0.5% 48 36-75 25/268 83% 85% C14, P22
UWR-2.5/6000-D12A-C 2.5 6000 30 55 0.1% 0.5% 12 10-18 80/1489 83% 86% C14, P22
UWR-2.5/6000-D24A-C 2.5 6000 30 50 0.075% 0.25% 24 18-36 45/727 84.75% 86% C14, P22
UWR-2.5/6000-D48A-C 2.5 6000 30 55 0.1% 0.5% 48 36-75 25/367 84% 86% C14, P22
UWR-3.3/4250-D12A-C 3.3 4250 85 100 0.2% 0.5% 12 10-18 80/1375 83% 86% C14, P22
UWR-3.3/4250-D24A-C 3.3 4250 45 70 0.2% 0.5% 24 18-36 45/672 85% 87% C14, P22
UWR-3.3/4250-D48A-C 3.3 4250 85 100 0.2% 0.5% 48 36-75 35/336 85% 87% C14, P22
UWR-3.3/4500-D48ANT-C 3.3 4500 85 100 0.2% 0.5% 48 36-75 35/356 85% 87% C14, P22
UWR-5/3000-D12A-C 5 3000 85 100 0.2% 0.3% 12 10-18 110/1471 83% 85% C14, P22
UWR-5/3000-D24A-C 5 3000 85 100 0.2% 0.3% 24 18-36 55/710 85.5% 88% C14, P22
UWR-5/3000-D24AT-C 5 3000 85 100 0.2% 0.3% 24 18-36 55/710 85.5% 88% C14, P22
UWR-5/3000-D48A-C 5 3000 85 100 0.2% 0.3% 48 36-75 35/355 85.5% 88% C14, P22
UWR-5/3000-D48ANST-C 5 3000 85 100 0.2% 0.3% 48 36-75 35/355 85.5% 88% C14, P22
UWR-12/1250-D12A-C 12 1250 85 100 0.2% 0.3% 12 10-18 45/1471 82.5% 85% C14, P22
UWR-12/1250-D24A-C 12 1250 85 100 0.2% 0.3% 24 18-36 45/718 85% 87% C14, P22
UWR-12/1250-D48A-C 12 1250 85 100 0.2% 0.3% 48 36-75 20/359 85% 87% C14, P22
UWR-15/1000-D12A-C 15 1000 85 100 0.2% 0.3% 12 10-18 45/1471 82.5% 85% C14, P22
UWR-15/1000-D24A-C 15 1000 85 100 0.2% 0.3% 24 18-36 45/718 85% 87% C14, P22
UWR-15/1000-D48A-C 15 1000 85 100 0.2% 0.3% 48 36-75 20/359 85% 87% C14, P22
As of October 2016, ONLY the following part numbers will be available: UWR-3.3/4250-D12A-C; UWR-3.3/4250-D24A-C;
UWR-3.3/4250-D24ACT-C; UWR-3.3/4250-D48A-C; UWR-5/3000-D12A-C; UWR-5/3000-D24A-C; UWR-5/3000-D48A-C;
UWR-12/1250-D12A-C; UWR-12/1250-D24A-C; UWR-15/1000-D24AT-C.
Typical at TA = +25C under nominal line voltage and full-load conditions, unless otherwise noted. Nominal line voltage, no-load/full-load conditions.
Ripple/Noise (R/N) is tested/speciifed over a 20MHz bandwidth. All models are specified with See page 12.
two external 0.47F multi-layer ceramic capacitors located 2-3 inches from the module being Special trim version. See Trim Equations, page 5. Quantity order required.
tested. Please refer to the Part Number Structure for additional options when ordering.
Load regulation is specified over 10%-100% load conditions. 1.5-5V models are stable and
For Part Number Structure, please see page 12.
regulate under no-load conditions. 12/15V models have minimum loading requirements See
Performance/Functional Specifications.
www.murata-ps.com/support
MDC_UWR_7-15.I03 Page 2 of 13