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UHE-18-10000-D48NR-C

Description
Isolated DC/DC Converters 18W 48V to 1.8V 10A NEG POL SENSE PIN
Categorysemiconductor    Power management   
File Size781KB,16 Pages
ManufacturerMurata
Websitehttps://www.murata.com
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UHE-18-10000-D48NR-C Overview

Isolated DC/DC Converters 18W 48V to 1.8V 10A NEG POL SENSE PIN

UHE-18-10000-D48NR-C Parametric

Parameter NameAttribute value
Product CategoryIsolated DC/DC Converters
ManufacturerMurata
RoHSDetails
Number of Outputs1 Output
Output Power18 W
Input Voltage36 V to 75 V
Output Voltage-Channel 11.8 V
Output Current-Channel 110 A
Isolation Voltage1.5 kV
Length2 in
Width1.6 in
Height0.4 in
PackagingTube
ProductIsolated
Factory Pack Quantity99
Unit Weight1.654349 oz
LAST TIME BUY: 3/31/2015. CLICK HERE FOR OBSOLESCENCE NOTICE OF 10/31/2014.
www.murata-ps.com
UHE Series
Isolated, High Efficiency, 1.6" × 2"
2-10
Amp, 12-30 Watt DC/DC Converters
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.
Typical units
FEATURES
n
most I
OUT
/P
OUT
in this format
The
n
Lower priced than bricks
n
Small 1.6" x 2" x 0.4" plastic package
with standard 2" x 2" pinout
n
Output configurations:
1.2/1.5/1.8/2.5V
OUT
@ 10 Amps
3.3/5V
OUT
@ 25 Watts
5/12/15V
OUT
@ 30 Watts
n
input ranges from 9-75 Volts
Five
n
Efficiencies as high as 91.5%
n
Stable no-load operation
n
Optional Sense pins for low V
OUT
n
Thermal shutdown, I/O protected
n
Vdc I/O BASIC Insulation
1500
n
UL/EN60950-1 certified (2nd Edition);
CE marked for Q48 models
n
compliant
RoHS
+INPUT
(1)
PRODUCT OVERVIEW
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
V
in
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 V
out
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 48V
in
(75V max.) models carry the CE mark.
Selected models are RoHS compliant (Reduction
of Hazardous Substances).
+OUTPUT
(6)
SWITCH
CONTROL
+SENSE
(5)
–OUTPUT
(7)
OPTO
ISOLATION
OVERVOLTAGE
COMPARATOR
PWM
CONTROLLER
UVLO & OVLO
COMPARATORS
ON/OFF
CONTROL
(4)
–SENSE
(8)
–INPUT
(2)
THERMAL
SHUTDOWN
OPTO
ISOLATION
REFERENCE &
ERROR AMP
V
OUT
TRIM
(9)
Typical topology is shown.
Optional comparator feedback. Contact MPS.
Sense pins are optional on 1.2-5V
OUT
models ("R" suffix).
For full details go to
www.murata-ps.com/rohs
*
Figure 1. Simplified Block Diagram
One phase of two is shown.
www.murata-ps.com/support
MDC_UHE_12-30W Series.D01
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