Datasheet
PART NUMBER STRUCTURE
U VQ 3.3
20
D48
-
/ -
Quarter-Brick Package
Output Configuration
U = Unipolar/Single
Nominal Output Voltage
1.2 to 48 Volts
Maximum Rated Output
Current in Amps
Blank = No baseplate, standard
B = Baseplate installed, optional special order
Baseplate Pin 9, see Mechanical Drawings: (special order)
Blank = No pin 9, standard
9 = Pin 9 installed (see description on pg. 2), optional
Alternate Pin Length:
Blank = Standard pin length
L1 = 0.110 (2.79mm)
L2 = 0.145 (3.68mm)
Input Voltage Range:
D24 = 18-36 Volts (24V nominal)
D48 = 36-75 Volts (48V nominal)
* Note:
Some model number combinations may not be
available. Contact Murata Power Solutions.
Remote On/Off Control Logic:
Add "P" for positive logic
Add "N" for negative logic
Positive "P" logic is standard for D24 models and
optional special order for D48 models. Negative "N"
logic is standard for D48 models and optional special
order for D24 models.
B LX9
N
-
C
RoHS-6 hazardous substance compliant
(does not claim EU RoHS exemption 7b–lead in solder)
(special quantity order)
ORDERING GUIDE SUMMARY
Model Vout Range Iout Range Vin Range Efficiency
All Models 1.2V to 48V 2.5A to 40A 18-36V or 36-75V Up to 92.%, model dependent
INPUT CHARACTERISTICS
Parameter Typ. @ 25°C, full load Notes
Voltage Range 18-36 or 36-75 Volts 24V or 48V nominal
Current, full power Up to 5.6 Amps Model dependent
Isolation 2kVdc to 2250V Model dependent
Remote On/Off Control Switch or FET control Positive or negative logic
OUTPUT CHARACTERISTICS
Parameter Typ. @ 25°C, full load Notes
Voltage 1.5 to 48 Volts ±10% Trimmable
Current 2.5 to 40 Amps fullscale No minimum load
Accuracy Down to 1% of VNOM Most models
Ripple & Noise (to 20MHz) Down to 35mVp-p Model dependent
Line and Load Regulation Down to ±0.125%/±0.25% Model dependent
Overcurrent Protection 150% of IOUT max. With hiccup auto-restart
Overtemperature Protection +125°C
Efficiency (minimum) See Performance Specifications
GENERAL SPECIFICATIONS
Parameter Typ. @ 25°C, full load Notes
Dynamic Load Response Down to 50μsec Model dependent
Operating Temperature Range –40 to +110°C With baseplate, see derating curve
Safety UL/IEC/EN 60950-1 and CSA C22.2-No.234
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
MDC_UVQ Models.F04 Page 3 of 25
UVQ Series
Low Profile, Isolated Quarter Brick
2.5–40 Amp DC-DC Converters
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