ULE-48/20-D48PML2-C datasheet, PDF

Datasheet> All Categories > Power/power management> The power supply circuit> ULE-48/20-D48PML2-C

ULE-48/20-D48PML2-C: DescriptionDC-DC Regulated Power Supply Module, 1 Output, 960W, Hybrid, ROHS COMPLIANT, EIGHTH-BRICK, PACKAGE-8/5; CategoryPower/power management The power supply circuit; File Size700KB，26 Pages; ManufacturerMurata; Websitehttps://www.murata.com

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ULE-48/20-D48PML2-C Overview

DC-DC Regulated Power Supply Module, 1 Output, 960W, Hybrid, ROHS COMPLIANT, EIGHTH-BRICK, PACKAGE-8/5

ULE-48/20-D48PML2-C Parametric

Parameter Name	Attribute value
Objectid	1310943472
package instruction	ROHS COMPLIANT, EIGHTH-BRICK, PACKAGE-8/5
Reach Compliance Code	compliant
ECCN code	EAR99
YTEOL	0
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-P5
length	58.4 mm
Number of functions	1
Output times	1
Number of terminals	5
Maximum output voltage	52.8 V
Minimum output voltage	38.4 V
Nominal output voltage	48 V
Package body material	UNSPECIFIED
encapsulated code	DMA
Package shape	RECTANGULAR
Package form	MICROELECTRONIC ASSEMBLY
surface mount	NO
technology	HYBRID
Terminal form	PIN/PEG
Terminal location	DUAL
Maximum total power output	960 W
Fine-tuning/adjustable output	NO
width	22.6 mm

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www.murata-ps.com

ULE Series

Isolated, High Density, Eighth-Brick

1.25–20 Amp, DC-DC Converters

Typical unit

The ULE Series "Eighth-Brick" DC-DC Converters are high-current isolated

power converters designed for use in high-density system boards.

FEATURES



compliant

RoHS



1/8-brick package, 1/4-brick pinout

New

in through-hole or SMT version



x 2.22 x 0.36 in. (22.6 x 56.4 x 9.1mm)

0.89



Output current: 1.25-20 Amps



Output voltages: 1.5V to 48V



voltage: 12V, 24V and 48V nominal

Input



Interleaved, synchronous-rectiﬁer

topology delivers:



Outstanding efﬁciency (to 94%)



Low noise



Stable no-load operation



No output reverse conduction



Excellent thermal performance



On/off control, trim and sense pins



isolated (2250Vdc BASIC)

Fully



I/O protected; Thermal shutdown

Fully



ed to UL/IEC/EN 60950-1 and CAN/CSA

Certiﬁ

C22.2 No.60950-1, 2nd edition



Lead-free construction/attach

PRODUCT OVERVIEW

Measuring just 0.89 × 2.22 × 0.36 inches (22.6

× 56.4 × 9.1mm), these open-frame, low-proﬁle

E-bricks ﬁt the industry-standard quarter-brick

footprint. Now you can “cut-and-paste” the layout

from your last Q-brick design to save time and save

44% board space (1.86 square inches versus 3.3)

in the process.

From a 9-18V, 18-36V or 36-75V input, ULEs

deliver 1.5 to 48 Volt outputs with current up to

20 Amps. They employ an interleaved, synchro-

nous-rectiﬁer topology that exploits 100% of their

duty cycle. They simultaneously achieve high

efﬁciency, low noise, tight line/load regulation, and

quick step response.

An open-frame design, high efﬁciency, low-on-

resistance FETs, and planar magnetics embedded

in heavy-copper pc boards all contribute to

impressive thermal derating. The ULEs feature set

includes high isolation (2250Vdc, 48V models),

input pi ﬁlters, input undervoltage shutdown,

output overvoltage protection, current limiting,

short-circuit protection, and thermal shutdown. The

standard footprint carries V

OUT

trim, on/off control,

and sense pins (sense pins are not available on

12V or higher models).

All ULE E-Bricks are certiﬁed to the BASIC-

insulation requirements of UL/EN/IEC60950-1,

2nd edition, and all “D48” models (36-75V input

ranges) carry the CE mark. Safety certiﬁcations,

EMC compliance testing and qualiﬁcation testing

are available.

For full details go to

www.murata-ps.com/rohs

www.murata-ps.com/support

MDC_ULE Series.F04

Page 1 of 26

ULE Series

Isolated, High Density, Eighth-Brick

1.25–20 Amp, DC-DC Converters

FUNCTIONAL SPECIFICATION NOTES

1. All models are tested and speciﬁed with external 1||10 μF ceramic/tantalum output

capacitors and a 22 μF 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. The ULE-12/4.2

and ULE-24/3 modules require minimum load; all other models regulate within spec

and are stable under no-load to full load conditions. General conditions for Speciﬁ-

cations 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 tantalum, C

BUS

=220 μF 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=+25ºC, full output load, natural air convection.

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

external 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..

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. Electronic overvoltage shutdown is not included on 48V input models to comply

with certain telecom reliability requirements. These requirements attempt continued

operation despite input overvoltage. The converter is rated only to the maximum

input voltage.

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 biased 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. Use approximately twice the full input current rating with nominal

input voltage.

16. Output current limit is non-latching. When the overcurrent fault is removed, the

converter will immediately recover.

17. The Sense inputs are not included on lower current output models.

18. ULE-5/12-D24 I

OUT

=8A max. if V

=19-20V.

PHYSICAL CHARACTERISTICS AND SAFETY

Outline dimensions

Pin material

Pin diameter

Pin ﬁnish

Weight

Electromagnetic interference (external ﬁlter required)

Safety

Absolute Maximum Ratings

See mechanical specs (below)

Copper alloy

0.04/0.062" (1.016/1.524mm)

Nickel underplate with gold overplate

1 ounce (28 grams)

Designed to meet EN55022/CISPR22 with external ﬁlter

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

Input Voltage:

Continuous:

12 Volt input models

24 Volt input models

48 Volt input models

Transient (100 mSec. Max.)

12 Volt input models

24 Volt input models

48 Volt input models

On/Off Control

(pin 2)

Input Reverse Polarity Protection

Output Overvoltage Protection

Output Current *

Storage Temperature

Lead Temperature

18 Volts

36 Volts

75 Volts

25 Volts

50 Volts

100 Volts

See speciﬁcations

5 Amps, 10 sec. max.

Magnetic feedback. See note (7).

Current-limited. Devices can with stand

sustained short circuit without damage.

–55 to +125°C.

Refer to solder proﬁle.

These are stress ratings. Exposure of devices to greater than any of these conditions

may adversely affect long-term reliability. Proper operation under conditions other than

those listed in the Performance/Functional Speciﬁcations Table is not implied.

* The outputs are not intended to sink reverse current.

www.murata-ps.com/support

MDC_ULE Series.F04

Page 5 of 26

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