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UEI30 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 UEI30
部品説明 30W Isolated Wide-Range DC/DC Converters
メーカ Murata Manufacturing
ロゴ Murata Manufacturing ロゴ 



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UEI30 Datasheet, UEI30 PDF,ピン配置, 機能
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UEI30 Series
30W Isolated Wide-Range DC/DC Converters
Featuring a full 30 Watt output in 1.8 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
„ 0.92" x 1.92" x 0.35" open frame package
„ Wide range input voltages 9-36 and 18-75Vdc
„ Double lead-free assembly and attachment
for RoHS standards
„ Isolation up to 2250 VDC (basic)
„ Up to 30W total output power with
overtemperature shutdown
„ High efficiency synchronous rectifier forward
topology
„ Stable no-load 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
„ RoHS hazardous substance compliant
PRODUCT OVERVIEW
Wide range 4:1 inputs on the 0.92" x 1.92" x 0.35"
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 tightly regulated 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 30W Series includes full magnetic and
optical isolation up to 2250 Volts DC (basic insu-
lation). For connection to digital systems, the out-
puts 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 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 tempera-
ture applications.
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
TRIM
www.murata-ps.com
Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000
MDC_UEI Series 30W.A01 Page 1 of 11

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30W Isolated Wide-Range DC/DC Converters

Murata Manufacturing
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