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UHE Datenblatt(PDF) 1 Page - Murata Manufacturing Co., Ltd.

Teilenummer UHE
Bauteilbeschribung  Isolated, High Effi ciency, 1.6" 횞 2" 2-10 Amp, 12-30 Watt DC/DC Converters
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Hersteller  MURATA [Murata Manufacturing Co., Ltd.]
Direct Link  http://www.murata.com
Logo MURATA - Murata Manufacturing Co., Ltd.

UHE Datenblatt(HTML) 1 Page - Murata Manufacturing Co., Ltd.

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UHE Series
Isolated, High Efficiency, 1.6" × 2"
2-10 Amp, 12-30 Watt DC/DC Converters
MDC_UHE_12-30W Series.C01 Page 1 of 16
www.murata-ps.com
www.murata-ps.com/support
For full details go to
www.murata-ps.com/rohs
 
FEATURES
The most IOUT/POUT in this format
Lower priced than bricks
Small 1.6" x 2" x 0.4" plastic package
with standard 2" x 2" pinout
Output configurations:
1.2/1.5/1.8/2.5VOUT @ 10 Amps
3.3/5VOUT @ 25 Watts
5/12/15VOUT @ 30 Watts
Five input ranges from 9-75 Volts
Efficiencies as high as 91.5%
Stable no-load operation
Optional Sense pins for low VOUT
Thermal shutdown, I/O protected
1500 Vdc I/O BASIC Insulation
UL/EN60950-1 certified (2nd Edition);
CE marked for Q48 models
RoHS compliant
The UHE 12-30W Series of high-efficiency,
isolated DC/DC’s provide output power ranging
from 10 Amps @ 1.2V to 2 Amps @ 15V. Offering
both 2:1 and 4:1 input voltage ranges, UHE’s meet
VIN requirements from 9 to 75 Volts.
Taking full advantage of the synchronous-
rectifier, forward topology, UHEs boast outstanding
efficiency (some models exceed 91%) enabling
full-power operation to ambient temperatures as
high as +60°C, without air flow. Assembled using
fully automated, SMT-on-pcb techniques, UHEs
provide stable no-load operation, excellent line
(±0.1%) and load (±0.15%) regulation, quick step
response (200μsec), and low output ripple/noise
(50-100mVp-p). Additionally, the UHEs unique
output design eliminates one of the topology’s few
shortcomings–output reverse conduction.
All devices feature full I/O fault protection
including: input overvoltage and undervoltage
shutdown, precise output overvoltage protection
(a rarity on low-voltage outputs), output current
limiting, short-circuit protection, and thermal
shutdown.
All UHE models incorporate a VOUT Trim function
and an On/Off Control pin (positive or negative
logic). Low-voltage models (1.2V to 5V) offer
optional sense pins facilitating either remote load
regulation or current sharing for true N+1 redun-
dancy. All models are certified to the BASIC insula-
tion requirements of UL/EN60950-1 (2nd Edition),
and 48VIN (75V max.) models carry the CE mark.
Selected models are RoHS compliant (Reduction
of Hazardous Substances).
PRODUCT OVERVIEW
–OUTPUT
(7)
–SENSE
(8)
+INPUT
(1)
–INPUT
(2)
PWM
CONTROLLER
REFERENCE &
ERROR AMP
THERMAL
SHUTDOWN
OPTO
ISOLATION
OPTO
ISOLATION
UVLO & OVLO
COMPARATORS
OVERVOLTAGE
COMPARATOR
ON/OFF
CONTROL
(4)
VOUT TRIM
(9)
+OUTPUT
(6)
+SENSE
(5)
SWITCH
CONTROL
*Onephaseoftwoisshown.
Optional comparator feedback. Contact MPS.
Sense pins are optional on 1.2-5VOUT models ("R" suffix).
Typical topology is shown.
Typical units
Figure 1. Simplified Block Diagram
Housed in smaller, 1.6" x 2" x 0.40" (41 x 51 x 10.2mm)
packages carrying the standard 2" x 2" pinout, MPS’s new
UHE Series DC/DC Converters deliver more current/power
(up to 10A/30W) than currently available from either
package size.


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