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UEI PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 UEI
部品説明 50-60W Isolated Wide-Range DC/DC Converters
メーカ Murata Manufacturing
ロゴ Murata Manufacturing ロゴ 



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UEI Datasheet, UEI PDF,ピン配置, 機能
www.murata-ps.com
www.DataSheet4U.com
UEI Series
50-60W Isolated Wide-Range DC/DC Converters
Featuring a full 50-60 Watt output in 2.9 square inches of board area,
the UEI series isolated DC/DC converter family offers efficient
regulated DC power for printed circuit board mounting.
Typical unit
FEATURES
„ Small footprint DC/DC converter, ideal for high
current applications
„ Industry standard 1.50˝ x 1.90˝ x 0.38˝ open
frame package and pinout
„ Wide range input voltages 9-36 and 18-75Vdc
„ Assembly and attachment for RoHS standards
„ Isolation up to 2250 VDC (basic)
„ Up to 50-60W total output power with
overtemperature shutdown
„ High efficiency synchronous rectifier forward
topology
„ Stable no-lead operation with no required
external components
„ –40 to +85°C temperature range with derating
„ Designed to meet UL60950-1, CSA-C22.2 No.
234, EN60950-1 safety approvals
„ Extensive self-protection shut down features
„ RoHS6 compliant
PRODUCT OVERVIEW
Wide range 4:1 inputs on the 1.50" x 1.90" x
0.38" converter are either 9 to 36 Volts DC (Q12
models) or 18 to 75 Volts DC (Q48 models), ideal
for battery-powered and telecom equipment.
Fixed output voltages from 3.3 VDC to 15 VDC are
regulated to within ±0.05% and may be trimmed
within ±10% of nominal output. Applications
include small instruments, computer-based
systems, data communications equipment, remote
sensor systems, vehicle and portable electronics.
The UEI 50-60W Series includes full magnetic
and optical isolation up to 2250 Volts DC (basic
insulation). For connection to digital systems, the
outputs offer fast settling to current step loads
and tolerance of higher capacitive loads. Excellent
ripple and noise specifications assure compatibil-
ity to circuits using CPU’s, ASIC’s, programmable
logic and FPGA’s. No minimum load is required.
For systems requiring controlled startup/shut-
down, an external switch, transistor or digital logic
may be used to activate the remote On/Off control.
Remote Sense inputs compensate for resistive line
drops at high currents.
A wealth of self-protection features avoid both
converter and external circuit problems. These
include input undervoltage lockout, input overvolt-
age and overtemperature shutdown. The outputs
current limit using the “hiccup” autorestart
technique and the outputs may be short-circuited
indefinitely. Additional features include output
overvoltage and reverse conduction elimination.
The synchronous rectifier forward topology
offers high efficiency for minimal heat buildup
and “no fan” operation. The open frame design is
also available under special quantity order with
an encapsulation shell and thermally-conductive
potting compound. This option offers additional
cooling in low-airflow, high temperature applica-
tions.
SIMPLIFIED SCHEMATIC
For full details go to
www.murata-ps.com/rohs
+VIN
–VIN
On/Off
Control
Control
Typical topology is shown.
GATE
DRIVE
ISOLATION
BARRIER
OPTO
ISOLATION
Reference, trim &
Error Amplifier
+VOUT
–VOUT
+SENSE
TRIM
–SENSE
www.murata-ps.com
Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000
MDC_UEI Series 50-60W.B24 Page 1 of 12

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