UCE-1.5/40-D48NL1-C datasheet, PDF

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UCE-1.5/40-D48NL1-C: DescriptionDC-DC Regulated Power Supply Module, 1 Output, 60W, Hybrid, PACKAGE-8; CategoryPower/power management The power supply circuit; File Size931KB，17 Pages; ManufacturerMurata; Websitehttps://www.murata.com; Environmental Compliance

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UCE-1.5/40-D48NL1-C Overview

DC-DC Regulated Power Supply Module, 1 Output, 60W, Hybrid, PACKAGE-8

UCE-1.5/40-D48NL1-C Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Murata
Parts packaging code	MODULE
package instruction	,
Contacts	8
Reach Compliance Code	compli
ECCN code	EAR99
Analog Integrated Circuits - Other Types	DC-DC REGULATED POWER SUPPLY MODULE
Maximum input voltage	75 V
Minimum input voltage	36 V
Nominal input voltage	48 V
JESD-30 code	R-XDMA-T8
JESD-609 code	e4
length	58.4 mm
Number of functions	1
Output times	1
Number of terminals	8
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Maximum output voltage	1.51 V
Minimum output voltage	1.48 V
Nominal output voltage	1.5 V
Package body material	UNSPECIFIED
Package shape	RECTANGULAR
Package form	MICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Maximum seat height	9.4 mm
surface mount	NO
technology	HYBRID
Temperature level	AUTOMOTIVE
Terminal surface	GOLD OVER NICKEL
Terminal form	THROUGH-HOLE
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
Maximum total power output	60 W
Fine-tuning/adjustable output	YES
width	22.9 mm

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LAST TIME BUY: AUGUST 31, 2014. CLICK HERE FOR OBSOLESCENCE NOTICE OF FEBRUARY 2014.

www.murata-ps.com

UCE Series

Isolated, High-Density, Eighth-Brick

Low Proﬁle DC-DC Converters

FEATURES



Industry standard eighth-brick pinout

and package



proﬁle 0.4" height with 0.9" x 2.3"

Low

outline dimensions



to 75 Vdc input range (48V nominal)



isolated, 2250 Vdc (BASIC)

Fully

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%



protected against temperature and

Fully

voltage limits



RoHS-6 or RoHS-5 compliant



ed to UL/EN/IEC 60950-1 and

Certiﬁ

CAN/CSA C22.2 No. 60950-1, 2nd Edition

safety approvals

Typical unit

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

1.5 to 12 Volts and currents up to 30 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.

UCEs achieve these impressive mechanical and

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

NOT RECOMMENDED

FOR NEW DESIGNS

down the converter if thermal limits are reached.

“Hiccup” output protection automatically restarts

the converter when the fault is removed.

A convenient remote On/Off control input enables

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.

UCEs include industry-standard safety certiﬁca-

tions and BASIC I/O insulation provides input/output

isolation to 2250V. Radiation emission testing is

performed to widely-accepted EMC standards.

SIMPLIFIED BLOCK DIAGRAM

(1)

+SENSE

(7)

OUT

(8)

SWITCH

CONTROL

−V

OUT

(4)

–V

(3)

PULSE

TRANSFORMER

PWM

CONTROLLER

OPTO

ISOLATION

INPUT UNDERVOLTAGE, INPUT

OVERVOLTAGE, AND OUTPUT

OVERVOLTAGE COMPARATORS

REFERENCE &

ERROR AMP

−SENSE

(5)

OUT

TRIM

(6)

REMOTE

ON/OFF

CONTROL

(2)

Typical topology is shown.

Figure 1. Simpliﬁed Block Diagram

For full details go to

www.murata-ps.com/rohs

www.murata-ps.com/support

MDC_UCE.D01

Page 1 of 17

UCE Series

Isolated, High-Density, Eighth-Brick

Low Proﬁle DC-DC Converters

FUNCTIONAL SPECIFICATIONS, CONTINUED

PERFORMANCE SPECIFICATION NOTES

(1) All models are tested and speciﬁed with external 1||10 μF ceramic/tantalum output capaci-

tors and no external input capacitor. All capacitors are low ESR types. These capacitors are

necessary to accommodate our test equipment and may not be required to achieve speciﬁed

performance in your applications. All models are stable and regulate within spec under no-load

conditions.

General conditions for Speciﬁcations are +25 deg.C, V

= nominal, V

OUT

= nominal, full load.

Adequate airﬂow must be supplied for extended testing under power.

(2) Input Ripple Current is tested and speciﬁed over a 5 Hz to 20 MHz bandwidth. Input ﬁltering

is C

= 33 μF, 100V tantalum, C

BUS

= 220 μF, 100V electrolytic, L

BUS

= 12 μH.

(3) Note that Maximum Power Derating curves indicate an average current at nominal input

voltage. At higher temperatures and/or lower airﬂow, the DC-DC converter will tolerate brief

full current outputs if the total RMS current over time does not exceed the Derating curve. All

Derating curves are presented at sea level altitude. Be aware of reduced power dissipation

with increasing density altitude.

(4) Mean Time Before Failure is calculated using the Telcordia (Belcore) SR-332 Method 1, Case

3, ground ﬁxed conditions, Tpcboard=+25 deg.C, full output load, natural air convection.

(5) The On/Off Control is normally controlled by a switch. But it may also be driven with exter-

nal logic or by applying appropriate external voltages which are referenced to Input Common.

The On/Off Control Input should use either an open collector or open drain transistor.

(6) Short circuit shutdown begins when the output voltage degrades approximately 2% from

the selected setting.

(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.

(9) All models are fully operational and meet published speciﬁcations, including “cold start” at

–40ºC.

(10) Regulation speciﬁcations describe the deviation as the line input voltage or output load

current is varied from a nominal midpoint value to either extreme.

(11) Alternate pin length and/or other output voltages are available under special quantity order.

(12) Output overvoltage is non-latching. When the overvoltage fault is removed, the converter

will immediately recover.

(13) Do not exceed maximum power speciﬁcations when adjusting the output trim.

(14) At zero output current, the output may contain low frequency components which exceed

the ripple speciﬁcation. The output may be operated indeﬁnitely with no load.

(15) If reverse polarity is accidentally applied to the input, a body diode will become forward bi-

ased and will conduct considerable current. To ensure reverse input protection with full output

load, always connect an external input fuse in series with the +V

input.

PHYSICAL CHARACTERISTICS

Outline dimensions

Pin material

Pin diameter

Pin ﬁnish

UCE-1.5/20-D48

UCE-1.8/30-D48,

UCE-2.5/20-D48

UCE-5/10-D48

UCE-5/20-D48

UCE-12/4.2-D48

UCE-3.3/15-D48

UCE-3.3/30-D48, UCE-12/8.3-D48, UCE-12/10-D48

See mechanical specs (below)

Copper alloy

0.04/0.062" (1.016/1.524mm)

Nickel underplate with gold overplate

0.67 ounces (19 grams)

Weight

0.71 ounces (20 grams)

1 ounce (28 grams)

0.81 ounces (23 grams)

Meets EN55022/CISPR22 (requires external ﬁlter)

Certiﬁed to UL/cUL 60950-1, CSA-C22.2 No. 60950-1, IEC/EN 60950-1, 2nd Edition

Electromagnetic interference (external ﬁlter required)

Safety

SOLDERING GUIDELINES

Murata Power Solutions recommends the speciﬁcations below when installing these converters. These speciﬁcations vary depending on the solder type. Exceed-

ing these speciﬁcations may cause damage to the product. Your production environment may differ; therefore please thoroughly review these guidelines with

your process engineers.

Wave Solder Operations for through-hole mounted products (THMT)

For Sn/Ag/Cu based solders:

Maximum Preheat Temperature

115ºC.

Maximum Pot Temperature

270ºC.

Maximum Solder Dwell Time

7 seconds

For Sn/Pb based solders:

Maximum Preheat Temperature

105ºC.

Maximum Pot Temperature

250ºC.

Maximum Solder Dwell Time

6 seconds

www.murata-ps.com/support

MDC_UCE.D01

Page 5 of 17

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