UVQ_SERIES Datasheet, PDF (1/25 Pages) Murata Manufacturing Co., Ltd. – Low Profi le, Isolated Quarter Brick 2.5 40 Amp DC/DC Converters

www.murata-ps.com
UVQ Series
Low Profile, Isolated Quarter Brick
2.5–40 Amp DC/DC Converters
ORDERING GUIDE SUMMARY
Model
VOUT Range
All Models
1.2V to 48V
IOUT Range
2.5A to 40A
VIN Range
18-36V or 36-75V
Efficiency
Up to 92.%, model dependent
Typical unit
INPUT CHARACTERISTICS
Parameter
Voltage Range
Current, full power
Isolation
Remote On/Off Control
Typ. @ 25°C, full load
18-36 or 36-75 Volts
Up to 5.6 Amps
2kVdc to 2250V
Switch or FET control
Notes
24V or 48V nominal
Model dependent
Model dependent
Positive or negative logic
FEATURES
■ _{Standard quarter-brick package/pinout}
■ _{Outputs from 1.5 to 48V up to 125W}
■ _{Low profile 0.42" height}
■ _{24 and 48Vdc nominal inputs}
■ _{Fully isolated, 2250Vdc (BASIC) insulation}
■ _{Designed for RoHS compliance}
■ _{Output overvoltage/short-circuit protected}
■ _{On/Off control, trim and sense functions}
■ _{High efficiency to 92%}
■ _{Protected against temp. and voltage limits}
■ _{Designed to meet UL/IEC/EN60950-1 safety}
approvals
OUTPUT CHARACTERISTICS
Parameter
Voltage
Current
Accuracy
Ripple & Noise (to 20MHz)
Line and Load Regulation
Overcurrent Protection
Overtemperature Protection
Efficiency (minimum)
GENERAL SPECIFICATIONS
Parameter
Dynamic Load Response
Operating Temperature Range
Safety
Typ. @ 25°C, full load
1.5 to 48 Volts ±10%
2.5 to 40 Amps fullscale
Down to 1% of VNOM
Down to 35mVp-p
Down to ±0.125%/±0.25%
150% of IOUT max.
+125°C
See Performance Specifications
Notes
Trimmable
No minimum load
Most models
Model dependent
Model dependent
With hiccup auto-restart
Typ. @ 25°C, full load
Down to 50μsec
–40 to +110°C
UL/IEC/EN 60950-1
Notes
Model dependent
With baseplate, see derating curve
and CSA C22.2-No.234
PRODUCT OVERVIEW
For efficient, fully isolated DC power in the small-
est space, Murata Power Solutions' UVQ series
quarter bricks offer output voltages from 1.5
to 48 Volts with currents up to 40 Amps. UVQs
operate over a wide temperature range (up to
+70°C at 200 lfm airflow) at full-rated power. The
optional mounting baseplate extends this to all
practical temperature ranges at full power.
UVQ’s achieve these impressive specifications
while delivering excellent electrical performance.
Overall noise is 35mVp-p (3.3V models) with fast
step response (down to 50μsec). These converters
MECHANICAL CHARACTERISTICS
With baseplate
1.45 x 2.30 x 0.5 inches (36.83 x 58.42 x 12.7 mm)
Without baseplate
1.45 x 2.30 x 0.42 inches (36.83 x 58.42 x 10.67 mm)
See Performance Specifications, page 2
offer high stability even with no load and tight out-
put regulation. The unit is fully protected against
input over and undervoltage, output overcur-
rent and short circuit. An on-board temperature
sensor shuts down the converter if thermal limits
are reached. Protection uses the “hiccup” (auto
restart) method.
A convenient remote On/Off control input oper-
ates by external digital logic, relay or transistor
input. To compensate for longer wiring and to
retain output voltage accuracy at the load, UVQ’s
include 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 closer than the
standard accuracy.
UVQ’s include industry-standard safety certi-
fications and BASIC I/O insulation provides 2250
Volt input/output isolation. Radiation emission
testing is performed to widely-accepted EMC
standards. The UVQ’s may be considered as
higher performance replacements for some MPS
USQ models.
Ḥ
For full details go to
www.murata-ps.com/rohs
Pb
Lead-free
construction/attach
www.murata-ps.com
Technical enquiries email: [e-mail], tel: [phone]
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