UWR-12/1250-D24A Murata Power Solutions Inc, UWR-12/1250-D24A Datasheet

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UWR-12/1250-D24A

Manufacturer Part Number
UWR-12/1250-D24A
Description
Module DC-DC 1-OUT 12V 1.25A 15W 6-Pin Case C14
Manufacturer
Murata Power Solutions Inc
Type
Step Downr
Datasheet

Specifications of UWR-12/1250-D24A

Package
6Case C14
Output Current
1.25 A
Output Voltage
12 V
Input Voltage
24 V
Number Of Outputs
1
Output Power
15 W
Switching Regulator
Yes

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Manufacturer
Quantity
Price
Part Number:
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DATEL
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Part Number:
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FEATURES
FEATURES
www.murata-ps.com
1.2-2.5V
3.3V
5/12/15V
Synchronous-rectifi er topologies
Guaranteed effi ciencies to 88%
Choice of 3 input voltage ranges:
10-18V, 18-36V, 36-75V
–40 to +60/70qC ambient w/o derating
Fully isolated (1500Vdc); I/O protected
Meets UL/IE/EN60950-1 certifi cation,
2nd Edition
CE mark (75V
Standard 1" x 2" packages and pinouts
Optional V
OUT
models source 4.25 Amps
OUT
OUT
OUT
models source 6 Amps
www.murata-ps.com/rohs
models deliver full 15 Watts
trim and on/off control
IN
For full details go to
models)
 
Typical units
Typical units
PRODUCT OVERVIEW
PR
The new 1.2, 1.5V, 1.8V and 2.5V models in
The
Murata Power Solutions’ fl agship 7-15 Watt
Mu
A-Series can source a continuous 6 Amps. This
A-S
is the most "low-voltage" current available from
is t
a standard 1" x 2" package, and these power
a s
converters exemplify Murata Power Solutions’
con
relentless drive to bring you more power/current,
from standard packages, without compromising
reliability or resorting to thermal specmanship.
(to 88%), synchronous-rectifi er topology with
the newest components and time-tested, fully
automated, SMT-on-pcb construction, these
UWR Models are able to bring you 7-15W (@
up to 6A) in the standard 1" x 2" package from
which most competitors can only get 5-10W (@
3-4A). All UWR’s deliver their full output power
over ambient temperature ranges from –40°C
to as high as +70°C (model and input voltage
By combining a high-frequency, high-effi ciency
www.murata-ps.com
Figure 1. Simplifi ed Schematic
dependent) without heat sinks or supplemental
forced-air cooling. Devices derate to +100°C.
12 or 15 Volts. Input voltage ranges are 10-18V
(D12 models), 18-36V (D24 models) or 36-75V
(D48 models). All models feature input pi fi lters,
input undervoltage and overvoltage lockout, input
reverse-polarity protection, output overvoltage
protection, output current limiting, and continuous
short-circuit protection. On/off control and output-
trim functions are optional (see Optional Functions).
All models are designed to meet IEC950, UL1950
and EN60950-1, 2nd Edition safety requirements.
D48 models (36-75V inputs) are CE marked.
cost, light-weight, diallyl phthalate (UL94V-0
rated) plastic packages with standoffs. EMC
compliance is achieved via a low-noise design
rather than through expensive metal shielding.
6 Amp/15 Watt DC/DC Converters
05 Apr 2011 MDC_UWR_7-15.F10 Page 1 of 12
Output voltages are 1.2, 1.5, 1.8, 2.5, 3.3, 5,
UWR 7-15W DC/DC’s are packaged in low-
Typical topology is shown.
Single Output, High-Density,
UWR Models
email: sales@murata-ps.com

Related parts for UWR-12/1250-D24A

UWR-12/1250-D24A Summary of contents

Page 1

... SMT-on-pcb construction, these UWR Models are able to bring you 7-15W (@ up to 6A) in the standard 1" x 2" package from which most competitors can only get 5-10W (@ 3-4A). All UWR’s deliver their full output power over ambient temperature ranges from – ...

Page 2

... UWR-3.3/4250-D24A-C UWR-3.3/4250-D48A-C UWR-3.3/4500-D48ANT-C ➄ UWR-5/3000-D12A-C UWR-5/3000-D24A-C UWR-5/3000-D48A-C UWR-5/3000-D48ANST-C ➅ UWR-12/1250-D12A-C UWR-12/1250-D24A-C UWR-12/1250-D48A-C UWR-15/1000-D12A-C UWR-15/1000-D24A-C UWR-15/1000-D48A-C ➀ Typical +25°C under nominal line voltage and full-load conditions, unless otherwise noted. A ➁ Ripple/Noise (R/N) is tested/speciifed over a 20MHz bandwidth. All models are specifi ed with two external 0.47μ ...

Page 3

... Fusing recommended. 2.1/2.2/2.3 Volts, unlimited duration TBD/3.4/4.4 Volts, unlimited duration 7.1/16/18 Volts, unlimited duration Current limited. Devices can withstand sus- tained output short circuits without damage. +100°C –40 to +105°C See soldering guidelines email: sales@murata-ps.com 05 Apr 2011 MDC_UWR_7-15.F10 Page ...

Page 4

... However they may not meet all listed specifi cations. Filtering and Noise Reduction All A-Series UWR DC/DC Converters achieve their rated ripple and noise specifi cations using the external input and output capacitors specifi the Performance/Functional Specifi cations table. In critical applications, input/ output noise may be further reduced by installing additional external I/O caps ...

Page 5

... V – 2.5 O 2.49(V – 1.27) O UWR-12/1250-D12A –16.9 3.3 – UWR-12/1250-D24A 3.16 UWR-12/1250-D48A –16.9 V – 3.3 O UWR-15/1000-D12A UWR-15/1000-D24A UWR-15/1000-D48A Start-Up Threshold and Undervoltage Shutdown Under normal start-up conditions, devices will not begin to regulate until the ramping-up input voltage exceeds the Start-Up Threshold Voltage (35V for " ...

Page 6

... Temperature Derating Curves for UWR 7-15W A-Series The thermal performance of A-Series UWR 7-15 Watt DC/DC Converters is depicted in the derating curves shown below. All devices, when operated at full load, in still ambient air, over their full specifi ed input voltage range, can safely operate to T maximum ...

Page 7

... 18V IN 1.8 2.4 3 3.6 4.2 4.8 5.4 Load Current (Amps 36V 48V 75V IN 1.8 2.4 3 3.6 4.2 4.8 5.4 Load Current (Amps 18V 24V 36V IN 1.8 2.4 3 3.6 4.2 4.8 5.4 Load Current (Amps) email: sales@murata-ps.com 05 Apr 2011 MDC_UWR_7-15.F10 Page ...

Page 8

... Load Current (Amps 18V 24V 36V IN 1.4 1.8 2.3 2.8 3.3 3.8 Load Current (Amps 36V 48V 75V IN 1.4 1.8 2.3 2.8 3.3 3.8 Load Current (Amps) email: sales@murata-ps.com 05 Apr 2011 MDC_UWR_7-15.F10 Page 4.3 4.3 4.3 ...

Page 9

... Typical Performance Curves for UWR 7-15W A-Series UWR-12/1250-D12A Efficiency vs. Line and Load 10V 12V 18V 0.1 0.2 0.4 0.5 0.7 0.8 Load Current (Amps) UWR-12/1250-D24A Efficiency vs. Line and Load 18V 24V 36V 0.1 0.2 0.4 0.5 0.7 0.8 Load Current (Amps) UWR-5/3000-D12A Efficiency vs. Line and Load ...

Page 10

... Amp/15 Watt DC/DC Converters V = 36V 48V 75V IN 0.3 0.4 0.6 0.7 0.8 0.9 Load Current (Amps) = 1.5V @ 6A, two external 0.47μF output capacitors.) OUT 20mV, 1μsec/div, 20MHz BW = 1.8V @ 6A, two external 0.47μF output capacitors.) OUT 20mV, 1μsec/div, 20MHz BW email: sales@murata-ps.com 05 Apr 2011 MDC_UWR_7-15.F10 Page ...

Page 11

... IN OUT 20mV, 1μsec/div, 20MHz BW Output Ripple and Noise (PARD nominal 15V @ 1A, two external 0.47μF output capacitors.) IN OUT 20mV, 2.5μsec/div, 20MHz BW www.murata-ps.com UWR Models Single Output, High-Density, 6 Amp/15 Watt DC/DC Converters email: sales@murata-ps.com 05 Apr 2011 MDC_UWR_7-15.F10 Page ...

Page 12

... Standard UWR-3.3/4250-D48A, 48V current (4.5A), negative on/off polarity control and a special competitive- compatible trim. UWR-3.3/4500-D48ANT accepts trim adjustments to ±10% of nominal V not to exceed 15W of maximum output power. Users should carefully consider the amount of trim added since excessive positive trim may exceed the overvoltage protection ...

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