Datasheet

MDC_UVQ Models.F04 Page 8 of 25
UVQ Series
Low Profile, Isolated Quarter Brick
2.5–40 Amp DC-DC Converters
UVQ-2.5/40-D48 UVQ-3.3/35-D48 UVQ-5/20-D48 UVQ-12/10-D48 UVQ-15/7-D48 UVQ-18/6-D48 UVQ-24/4.5-D48 UVQ-48/2.5-D48
Output
Voltage output range See ordering guide.
Voltage output accuracy
(50% load)
±1.5% of Vnom ±1.25% of Vnom ±1% of Vnom
Adjustment range –20 to +10% of Vnom. +10% of Vnom.
Temperature coefficient ±0.02% of Vout range per °C
Minimum loading
No minimum
load
3 Amps
No minimum
load
No minimum load
Remote sense
compensation
+10%.
Ripple/noise See ordering guide.
Line/Load regulation See ordering guide.
Efficiency See ordering guide.
Maximum capacitive
loading, Low ESR
<0.02Ω max.,
resistive load, (μF)
10,000 4700 2200 1000
Current limit inception
(98% of Vout, after
warmup), (Amps)
46 48 26 12.5 8.5 7 6.5 3.3
Short circuit protection
method
Current limiting, hiccup autorestart. Remove overload for recovery.
Short circuit current,
(Amps)
5 0.1 1.5 3 3 3 3.5
Short circuit duration Output may be shorted continuously to ground (no damage).
Overvoltage protection, (via
magnetic feedback)
3 Volts max 4 Volts max 6 Volts max 14.4 Volts max 18.5 Volts max 22 Volts max 29 Volts max 55 Volts max
Isolation Characteristics
Isolation Voltage
Input to Output, (Volts min) 2250
Input to baseplate 1500
Baseplate to output,
(Volts min)
1500 1500
Isolation resistance 100 MΩ
Isolation capacitance, (pF) 1500 1000 50 50 1500
Isolation safety rating Basic insulation
Performance/Functional Specifications 48V Models
Typical @ Ta = +25°C under nominal line voltage, nominal output voltage, natural air convection, external caps and full-load conditions, unless noted. (1)
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