UCE-12/4.2-D48N-C Murata Power Solutions Inc, UCE-12/4.2-D48N-C Datasheet

DC/DC Converters & Regulators 48Vin 12Vout 4.2A 50.4W Neg polarity

UCE-12/4.2-D48N-C

Manufacturer Part Number

UCE-12/4.2-D48N-C

Description

DC/DC Converters & Regulators 48Vin 12Vout 4.2A 50.4W Neg polarity

Manufacturer

Murata Power Solutions Inc

Datasheets

1.UCE-3.315-D48NB-C.pdf (17 pages)

2.UCE-128.3-D48N-C.pdf (10 pages)

Specifications of UCE-12/4.2-D48N-C

Output Power

50 W

Input Voltage Range

36 V to 75 V

Input Voltage (nominal)

48 V

Number Of Outputs

Output Voltage (channel 1)

12 V

Output Current (channel 1)

4.2 A

Isolation Voltage

2.25 KV

Package / Case Size

Eighth Brick

Output Voltage

12 V

Product

Isolated

Dc / Dc Converter O/p Type

Eighth-Brick

No. Of Outputs

Input Voltage

36V To 75V

Power Rating

50.4W

Output Current

4.2A

Approval Bodies

CAN / CSA / EN / IEC / UL

Rohs Compliant

Yes

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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FEATURES

RoHS compliant

Industry standard eighth-brick pinout

and package

Outputs from 1.5V to 12V up to 100W

Low profile 0.4" height with 0.9" x 2.3"

outline dimensions

36 to 75 Vdc nominal input

Fully isolated, 2250 Vdc (BASIC)

insulation

Outstanding thermal performance

and derating

Extensive self-protection and short

circuit features with no output reverse

conduction

On/Off control, trim and sense functions

Interleaved synchronous rectification

yields high efficiency over 90%

Fully protected against temperature and

voltage limits

UL/EN/IEC 60950-1 safety approvals

Qual/HALT/EMI testing is scheduled

www.murata-ps.com/rohs

For full details go to

Typical unit

CONTROL

REMOTE

ON/OFF

(2)

–V

(3)

(1)

SIMPLIFIED BLOCK DIAGRAM

For efficient, fully isolated DC power in the smallest space, the UCE

open frame DC/DC converter series fit in industry-standard “eighth

brick” outline dimensions and mounting pins (on quarter-brick pinout).

Units are offered with fixed output voltages from

1.5 to 12 Volts and currents up to 40 Amps. UCEs

operate over a wide temperature range (up to +85

degrees Celsius at moderate airflow) with full rated

power. Interleaved synchronous rectifier topology

yields excellent efficiency over 90% and no reverse

output conduction.

environmental specs while delivering excellent

electrical performance in a through-hole package.

Overall noise is typically 50 mV pk-pk (low voltage

models) with fast step response. These converters

offer tight output regulation and high stability even

with no load. The unit is fully protected against

input undervoltage, output overcurrent and short

circuit. An on-board temperature sensor shuts

PRODUCT OVERVIEW

UCE’s achieve these impressive mechanical and

www.murata-ps.com

CONTROLLER

PWM

ISOLATION

TRANSFORMER

OPTO

PULSE

CONTROL

SWITCH

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

Typical topology is shown.

REFERENCE &

ERROR AMP

down the converter if thermal limits are reached.

“Hiccup” output protection automatically restarts

the converter when the fault is removed.

phased startup and shutdown in multi-voltage ap-

plications. To compensate for longer wiring and to

retain output voltage accuracy at the load, UCEs em-

ploy a Sense input to dynamically correct for ohmic

losses. A trim input may be connected to a user’s

adjustment potentiometer or trim resistors for output

voltage calibration. The UCE will tolerate substantial

capacitive loading for bypass-cap applications.

tions and BASIC I/O insulation provides input/output

isolation to 2250V. Radiation emission testing is

performed to widely-accepted EMC standards.

Isolated, High-Density, Eighth-Brick

INPUT UNDERVOLTAGE, INPUT

OVERVOLTAGE, AND OUTPUT

OVERVOLTAGE COMPARATORS

A convenient remote On/Off control input enables

UCEs include industry-standard safety certifica-

100W DC/DC Converters

UCE Series

MDC_UCE.A09 Page 1 of 10

+1 508 339 3000

+SENSE

−SENSE

−V

OUT

(8)

(4)

(7)

(5)

(6)

OUT

TRIM

Related parts for UCE-12/4.2-D48N-C

UCE-12/4.2-D48N-C Summary of contents

Page 1

... For full details go to www.murata-ps.com/rohs For efficient, fully isolated DC power in the smallest space, the UCE open frame DC/DC converter series fit in industry-standard “eighth brick” outline dimensions and mounting pins (on quarter-brick pinout). PRODUCT OVERVIEW Units are offered with fixed output voltages from 1 ...

Page 2

... UCE-3.3/15-D48N-C 3.3 15 49.5 UCE-3.3/30-D48N-C 3 UCE-5/10-D48N UCE-5/20-D48N 100 UCE-12/4.2-D48N-C 12 4.2 50.4 UCE-12/8.3-D48N-C 12 8.3 99.6  Please refer to the model number structure for additional ordering part numbers and options . PART NUMBER STRUCTURE - U CE Output Configuration Unipolar/Single Eighth-Brick Package Nominal Output Voltage Maximum Rated Output ...

Page 3

... V. max hiccup output 5 4.25 autorestart. shorted to Remove ground. No overload for damage. 14.5 recovery. Technical enquiries email: sales@murata-ps.com, tel: MDC_UCE.A09 Page Positive Negative Logic Logic “P” Model “N” Model Suffix Suffix OFF=open or pin to +2.5V to +1V max. +15V max. ON=Ground pin to +0 ...

Page 4

... Note: Not all model combinations are available. (7) The outputs are not intended to sink appreciable reverse current. This may damage the outputs. (8) Output noise may be further reduced by adding an external filter. See I/O Filtering and Noise Reduction. = nominal nominal, full (9) All models are fully operational and meet published specifications, including “cold ...

Page 5

... Nickel underplate with gold overplate 0.67 ounces (19 grams) 0.71 ounces (20 grams) 1 ounce (28 grams) 0.81 ounces (23 grams) FCC part 15, class B, EN55022 UL/cUL 60950-1, CSA-C22.2 No. 60950-1, IEC/EN 60950-1 www.murata-ps.com UCE Series Isolated, High-Density, Eighth-Brick 100W DC/DC Converters Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 MDC_UCE.A09 Page ...

Page 6

... Angles ± 2˚ Components are shown for reference only. INPUT/OUTPUT CONNECTIONS Pin Function P32 1 −Input 2 On/Off Control 3 +Input 4 −Output 5 −Sense 6 Output Trim 7 +Sense 8 +Output Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 MDC_UCE.A09 Page ...

Page 7

... LOAD R TRIM UP www.murata-ps.com UCE Series Isolated, High-Density, Eighth-Brick 100W DC/DC Converters − 10.22 +OUTPUT –INPUT +SENSE R TRIM DOWN ON/OFF TRIM CONTROL –SENSE +INPUT –OUTPUT Figure C. Trim Connections To Decrease Output Voltages Technical enquiries email: sales@murata-ps.com, tel: MDC_UCE.A09 Page LOAD +1 508 339 3000 ...

Page 8

... UCE-1.5/20-D48 Efﬁciency vs Line Voltage & Load Current @ 25º Vin = 75V 80 Vin = 48V Vin = 36V Load Current (A) UCE-1.8/30-D48 Efﬁciency vs Line Voltage & Load Current @ 25º Vin = 75V 80 Vin = 48V 75 Vin = 36V Load Current (A) UCE-2.5/20-D48 Efﬁciency vs Line Voltage & Load Current @ 25º Vin = 75V ...

Page 9

... UCE-3.3/15-D48 Efﬁciency Vs. Line Voltage & Load Current @ +25º Vin = 75V 85 Vin = 48V Vin = 36V Load Current (A) UCE-3.3/30-D48 Efﬁciency vs Line Voltage & Load Current @ 25º Vin = 75V 80 Vin = 48V 75 Vin = 36V Load Current (A) UCE-12/4.2-D48 Efﬁciency Vs. Line Voltage & Load Current @ +25º Vin = 75V ...

Page 10

... UCE-12/8.3-D48 Efﬁciency vs Line Voltage & Load Current @ 25º Vin = 75V 85 Vin = 48V Vin = 36V Load Current (A) Murata Power Solutions, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A. Tel: (508) 339-3000 (800) 233-2765 Fax: (508) 339-6356 www.murata-ps.com email: sales@murata-ps.com Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights ...

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