ULE20A Datasheet, PDF (1/23 Pages) Murata Manufacturing Co., Ltd. – Isolated, High Density, Eighth-Brick

ULE Series
Isolated, High Density, Eighth-Brick
1.25–30 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
RoHS compliant
New 1/8-brick package, 1/4-brick pinout
in through-hole or SMT version
0.89 x 2.22 x 0.36 in. (22.6 x 56.4 x 9.1mm)
Output current: 1.25-30 Amps
Output voltages: 1.2V to 48V
Input voltage: 12V, 24V and 48V nominal
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
Fully isolated (2250Vdc BASIC)
Fully I/O protected; Thermal shutdown
Designed to meet UL/IEC/EN 60950-1 and
CAN/CSA C22.2 No.60950-1
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 1.2 to 48 Volt outputs with current up to
30 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 VOUT trim, on/off control,
and sense pins (sense pins are not available on
12V or higher models).
All ULE E-Bricks are designed to meet the BASIC-
insulation requirements of UL/EN/IEC60950-1, and
all “D48” models (36-75V input ranges) carry the
CE mark. Safety certifications, EMC compliance
testing and qualification testing are available.
Ḥ
For full details go to
www.murata-ps.com/rohs
NOTE: See pages 19 and 20 for simplified block diagrams.
www.murata-ps.com
Technical enquiries email: [e-mail], tel: [phone]
MDC_ULE Series.C11 Page 1 of 23