MDC_UEI-15W MURATA [Murata Manufacturing Co., Ltd.], MDC_UEI-15W Datasheet

MDC_UEI-15W

Manufacturer Part Number

MDC_UEI-15W

Description

Isolated Wide Input Range 15-Watt DC/DC Converters

Manufacturer

MURATA [Murata Manufacturing Co., Ltd.]

Datasheet

1.MDC_UEI-15W.pdf (13 pages)

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FEATURES

„

www.murata-ps.com

Small footprint DC/DC converter, ideal for

high current applications

Industry standard 0.96" x 1.1" X 0.36"

open frame package and pinout

Wide range input voltages 9-36 and

18-75 Vdc

Double lead-free assembly and attachment

for RoHS standards

Isolation up to 2250 VDC (basic)

Up to 15 Watts or greater total output

power with overtemperature shutdown

High efﬁ ciency synchronous rectiﬁ er

forward topology

Stable no-load operation with no required

external components

Usable -40 to 85°C temperature range

(with derating)

Designed to meet UL 60950-1, CAN/CSA-

C22.2 No. 60950-1, IEC60950-1,

EN60950-1 safety approvals

Extensive self-protection shut down

features

Typical unit

www.murata-ps.com/rohs

For full details go to

Featuring a full 15 Watt or greater output in one square inch of board area, the UEI

series isolated DC/DC converter family offers efﬁ cient regulated DC power for printed

circuit board mounting.

PRODUCT OVERVIEW

Wide range 4:1 inputs on the 0.96" x 1.1" x 0.36"

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. The industry-

standard pinout ﬁ ts larger 1" x 2" converters. Fixed

output voltages from 3.3 VDC to 15 VDC are regu-

lated to within ±0.2% or less and may be trimmed

within ±10% of nominal output. Applications

include small instruments, area-limited microcon-

trollers, computer-based systems, data communi-

cations equipment, remote sensor systems, vehicle

and portable electronics.

optical isolation up to 2250 Volts DC (basic insula-

tion). For connection to digital systems, the outputs

offer fast settling to current step loads and toler-

ance of higher capacitive loads. Excellent ripple

SIMPLIFIED SCHEMATIC

www.murata-ps.com

The UEI 15W series includes full magnetic and

−V

Control

On/Off

3.3V and 5V

Control

OUT

models only.

Isolated Wide Input Range 15-Watt DC/DC Converters

Technical enquiries email: sales@murata-ps.com, tel:

ISOLATION

and noise speciﬁ cations assure compatibility to

circuits using CPU’s, ASIC’s, programmable logic

and FPGA’s. For systems requiring controlled

startup/shutdown, an external switch, transis-

tor or digital logic may be used to activate the

remote On/Off control.

converter and external circuit problems. These

include input undervoltage lockout and overtem-

perature shutdown. The outputs current limit using

the “hiccup” autorestart technique and the outputs

may be short-circuited indeﬁ nitely. Additional

features include output overvoltage and reverse

conduction elimination.

and “no fan” operation.

ISOLATION BARRIER

A wealth of self-protection features avoid both

The high efﬁ ciency offers minimal heat buildup

GATE DRIVE

Typical topology is shown.

UEI15 Series

Reference, Trim &

Error Ampliﬁer

MDC_UEI15W.B24 Page 1 of 13

+1 508 339 3000

–V

TRIM

OUT

Related parts for MDC_UEI-15W

MDC_UEI-15W Summary of contents

Page 1

... The high efﬁ ciency offers minimal heat buildup and “no fan” operation. GATE DRIVE ISOLATION BARRIER Reference, Trim & ISOLATION Error Ampliﬁer Typical topology is shown. Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 MDC_UEI15W.B24 Page OUT –V OUT TRIM ...

Page 2

... Min. Typ. (inches) 43 0.71 86.5% 89% 24 0.4 86.5% 88.8% 41 0.72 86.3% 87.3% 28 0.36 84.3% 86.0% 1.1×0.96×0.36 15 0.77 82.3% 84.5% 15 0.76 83.3% 85% 18 0.81 83.5% 85% 14 0.4 83.3% 85.3% Note: Some model number combinations may not be available. Contact Murata Power Solutions. Technical enquiries email: sales@murata-ps.com, tel: MDC_UEI15W.B24 Page Case (mm) Pinout 27.9×24.4×9.1 P22 +1 508 339 3000 ...

Page 3

... Remote On/Off can be provided with either positive (P sufﬁ nega- tive (N sufﬁ x) polarity END VIEW 0.428 REF 4.8 0.19 Technical enquiries email: sales@murata-ps.com, tel: MDC_UEI15W.B24 Page Function + Vin - Vin + Vout Output Trim - Vout On/Off Control* +1 508 339 3000 ...

Page 4

... Derating Range ④ Curves –40 to +85ºC –55 to +125 º Technical enquiries email: sales@murata-ps.com, tel: MDC_UEI15W.B24 Page Negative Logic "N" model sufﬁ x OFF=open pin or +5 15V max. ON=Gnd pin or –0.7 to +1.2V max. Switching OUT Frequency KHz ...

Page 5

... UEI15 Series Isolated Wide Input Range 15-Watt DC/DC Converters full power, the package temperature of all input. Use approximately twice the full input cur- IN <20V, output trim may only be adjusted IN Technical enquiries email: sales@murata-ps.com, tel: MDC_UEI15W.B24 Page 508 339 3000 ...

Page 6

... OUT TO CURRENT PROBE L BUS – BUS IN – = 33μF, ESR < 700mΩ @ 100kHz IN = 220μF, ESR < 100mΩ @ 100kHz BUS = 12μH Figure 2. Measuring Input Ripple Current Technical enquiries email: sales@murata-ps.com, tel: MDC_UEI15W.B24 Page +INPUT -INPUT +1 508 339 3000 ...

Page 7

... In the extremely unlikely event of output circuit failure, excessive voltage could be applied to your circuit. Consider using an appropriate fuse in series with the output. www.murata-ps.com UEI15 Series Isolated Wide Input Range 15-Watt DC/DC Converters Technical enquiries email: sales@murata-ps.com, tel: MDC_UEI15W.B24 Page 508 339 3000 ...

Page 8

... CONTROL +INPUT −OUTPUT Figure 4 – Trim adjustments using a trimpot +OUTPUT −INPUT ON/OFF TRIM CONTROL R TRIM DOWN −OUTPUT +INPUT +OUTPUT −INPUT ON/OFF TRIM CONTROL R TRIM UP +INPUT −OUTPUT Technical enquiries email: sales@murata-ps.com, tel: MDC_UEI15W.B24 Page LOAD LOAD LOAD +1 508 339 3000 ...

Page 9

... ON/OFF CONTROL CONTROL -INPUT Figure 7 – Driving the On/Off Control Pin (suggested circuit) IN 115° C. 270° seconds 105° C. 250° seconds Technical enquiries email: sales@murata-ps.com, tel: MDC_UEI15W.B24 Page Vcc (open pin) for the +1 508 339 3000 ...

Page 10

... IN Natural Convection a a 100 LFM 200 LFM 300 LFM 400 LFM bient temperature (°C) Am Technical enquiries email: sales@murata-ps.com, tel: MDC_UEI15W.B24 Page 508 339 3000 ...

Page 11

... Maximum Current Temperature Derating @Sea Level (V = 12V or 24V, airﬂ from pin 2 to pin 1) IN 1.30 1.20 Natural Convection 1.10 1.00 0.90 0.80 0.70 0.60 0. Ambient Temperature (°C) Technical enquiries email: sales@murata-ps.com, tel: MDC_UEI15W.B24 Page 508 339 3000 ...

Page 12

... Ambient Temperature (°C) Maximum Current Temperature Derating @Sea Level (V = 24V and 48V, airﬂ from input to output) IN Natural Convection Ambient Temperature (°C) Technical enquiries email: sales@murata-ps.com, tel: MDC_UEI15W.B24 Page 508 339 3000 ...

Page 13

... Osaka, Tel: 6-6354-2025, email: sales_osaka@murata-ps.com Shanghai, Tel: +86 215 027 3678, email: shanghai@murata-ps.com Guangzhou, Tel: +86 208 221 8066, email: guangzhou@murata-ps.com Parkway Centre, Tel: +65 6348 9096, email: singapore@murata-ps.com Technical enquiries email: sales@murata-ps.com, tel: MDC_UEI15W.B24 Page 508 339 3000 ...

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