UWR-12/1250-D5A-C Murata Power Solutions Inc, UWR-12/1250-D5A-C Datasheet

DC/DC Converters & Regulators 15W 5V to 12V 1.25A

UWR-12/1250-D5A-C

Manufacturer Part Number
UWR-12/1250-D5A-C
Description
DC/DC Converters & Regulators 15W 5V to 12V 1.25A
Manufacturer
Murata Power Solutions Inc
Datasheet

Specifications of UWR-12/1250-D5A-C

Output Power
15 W
Input Voltage Range
4.7 V to 7.5 V
Input Voltage (nominal)
5 V
Number Of Outputs
1
Output Voltage (channel 1)
12 V
Output Current (channel 1)
1.25 A
Isolation Voltage
1.5 KV
Product
Isolated
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
UWR-12/1250-D5A-C
FEATURES
www.murata-ps.com
Low cost! Highly reliable!
Proven SMT-on-pcb construction
Designed to meet UL/ EN60950,
BASIC insulation (D48A models)
Output voltages: 3.3/5/5.2/12/15 Volts
Ultra-wide input voltage ranges:4.7-7.5V, 9-36V
or 18-75V
Small packages, 2" x 2" x 0.45"
Industry-standard pinouts
Fully isolated, 1500Vdc guaranteed
Guaranteed effi ciencies to 84%
–40 to +100°C operating temperature
Modifi cations and customs for OEM’s
mark available (48VIN models)
www.murata-ps.com/rohs
For full details go to
 
CONTROL
+V
–V
ON/OFF
(1)
(2)
(4)
IN
IN
Typical units
CONTROLLER
PWM
PRODUCT OVERVIEW
term-reliability and low-cost requirements of modern telecom,
datacom, computer/networking and industrial-electronics applications. These highly-effi cient, rugged
devices combine straightforward circuit topologies, new components, proven SMT-on-pcb construc-
tion methods, and highly repeatable automatic-assembly techniques. The fl exibility of the designs and
their assembly methods readily permit
minor modifi cations to optimize performance for specifi c applications.
impressive MTBF’s.
fully isolated (1500Vdc minimum) DC/DC’s offer excellent line/load regulation, full I/O protection,
thermal shutdown, and industry-standard pinouts.
ultra-wide 9-36V and 18-75V, as well as 4.7-7.5V. Each device provides remote on/off control and
V
UL1950, CSA 950 and IEC 950 safety.
to improve the reliability of existing equipment or to develop
new systems that exceed design objectives.
Single Output, High Reliability, 2" x 2", 14-20 Watt, DC/DC Converters
OUT
DATEL's new A-Series switching DC/DC converters are designed to meet the demanding long-
The single-output, 14-20 Watt Models of the A-Series deliver both high power densities and
Packaged in standard, 2" x 2" x 0.45", shielded metal cases with non-conductive coatings, these
Output voltages include 3.3, 5, 5.2, 12 or 15 Volts. Input voltage ranges are DATEL's traditional
A-Series DC/DC’s are extremely reliable, easy-to-use, cost-effective power converters. Use them
trim capability. All A-Series UWR models are fully EMI characterized and designed to meet
www.murata-ps.com
Figure 1. Simplifi ed Schematic
ISOLATION
OPTO
REFERENCE &
ERROR AMP
09/01/09 MDC_UWR14-20 Series.B04 Page 1 of 6
+V
COMMON
(6)
OUT
(7)
+V
TRIM
(8)
UWR Series
email: sales@murata-ps.com
OUT
Typical topology is shown.

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UWR-12/1250-D5A-C Summary of contents

Page 1

... Output voltages include 3. Volts. Input voltage ranges are DATEL's traditional ultra-wide 9-36V and 18-75V, as well as 4.7-7.5V. Each device provides remote on/off control and V trim capability. All A-Series UWR models are fully EMI characterized and designed to meet OUT UL1950, CSA 950 and IEC 950 safety. ...

Page 2

... Ambient Temperature (°C) 1. UWR-3.3/4850-D48A (18-75V input, curve A) and UWR-3.3/4850-D12A (9-36V input, curve A) will derate curve AA if used over the limited input ranges of 20-60V or 10-30V, respectively. 2. "D48A" models (18-75V input ranges) that derate along curve B will derate along curve BB if used over the more limited input range of 24-60V. ...

Page 3

... Filtering and Noise Reduction All A-Series UWR 14-20 Watt DC/DC Converters achieve their rated ripple and noise specifi cations without the use of external input/output capaci- tors. In critical applications, input/output noise may be further reduced by installing electrolytic capacitors across the input terminals and/or low-ESR tantalum or electrolytic capacitors across the output terminals ...

Page 4

... Input Fusing Certain applications and/or safety agencies may require the installation of fuses at the inputs of power conversion components. For DATEL A-Series UWR 14-20 Watt DC/DC Converters, you should use slow-blow type fuses with values no greater than the following: V Range Fuse Value IN D5A ...

Page 5

... Single Output, High Reliability, 2" x 2", 14-20 Watt, DC/DC Converters EMI RADIATED EMISSIONS If you’re designing with EMC in mind, please note that all of DATEL’s UWR 14-20 Watt A-Series DC/DC Converters have been characterized for radi- ated and conducted emissions in our new EMI/EMC laboratory. Testing is conducted in an EMCO 5305 GTEM test cell utilizing EMCO automated EMC test software ...

Page 6

... DATEL in-house procedure Max. rated temp., 1,000 hours 10 cycles, –55 to +125°C +85°C, 85% humidity, 48 hours DATEL in-house procedure +70°C, 500 hours* DATEL in-house procedure Per product specifi cation © 2009 Murata Power Solutions, Inc. email: sales@murata-ps.com 09/01/09 MDC_UWR14-20 Series.B04 Page ...

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