UWR-3.3/4250-D5A-C(2008) 데이터 시트보기 (PDF) - Murata Manufacturing

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UWR-3.3/4250-D5A-C
(Rev.:2008)

Single Output, High Reliability, 2" x 2", 14-20 Watt, DC/DC Converters

Murata Manufacturing 

UWR Series

Single Output, High Reliability, 2" x 2", 14-20 Watt, DC/DC Converters

Typical units

FEATURES

Low cost! Highly reliable!

Proven SMT-on-pcb construction

Designed to meet UL/ EN60950,

BASIC insulation (D48A models)

mark available (48VIN 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 efficiencies to 84%

–40 to +100°C operating temperature

Modifications and customs for OEM’s

PRODUCT OVERVIEW

DATEL's new A-Series switching DC/DC converters are designed to meet the demanding long-

term-reliability and low-cost requirements of modern telecom,

datacom, computer/networking and industrial-electronics applications. These highly-efficient, rugged

devices combine straightforward circuit topologies, new components, proven SMT-on-pcb construc-

tion methods, and highly repeatable automatic-assembly techniques. The flexibility of the designs and

their assembly methods readily permit

minor modifications to optimize performance for specific applications.

The single-output, 14-20 Watt Models of the A-Series deliver both high power densities and

impressive MTBF’s.

Packaged in standard, 2" x 2" x 0.45", shielded metal cases with non-conductive coatings, these

fully isolated (1500Vdc minimum) DC/DC’s offer excellent line/load regulation, full I/O protection,

thermal shutdown, and industry-standard pinouts.

Output voltages include 3.3, 5, 5.2, 12 or 15 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

VOUT trim capability. All A-Series UWR models are fully EMI characterized and designed to meet

UL1950, CSA 950 and IEC 950 safety.

A-Series DC/DC’s are extremely reliable, easy-to-use, cost-effective power converters. Use them

to improve the reliability of existing equipment or to develop

new systems that exceed design objectives.

+VIN

(1)

–VIN

(2)

ON/OFF

CONTROL

(4)

　

For full details go to

www.murata-ps.com/rohs

+VOUT

(6)

COMMON

(7)

PWM

CONTROLLER

OPTO

ISOLATION

Figure 1. Simplified Schematic

REFERENCE &

ERROR AMP

+VOUT

TRIM

(8)

Typical topology is shown.

www.murata-ps.com

Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000

MDC_UWR14-20 Series.B02 Page 1 of 6

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