Datasheet
UWE Series
Wide Input, Isolated
Eighth-Brick DC-DC Converters
MDC_UWE Series.E04 Page 3 of 23
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FUNCTIONAL SPECIFICATIONS, Q12 MODELS
UWE-3.3/20-Q12 UWE-5/15-Q12 UWE-12/6-Q12 UWE-15/5-Q12 UWE-24/3-Q12
Specs are typical unless noted.
INPUT
Input voltage range See ordering guide
Start-up threshold, Volts 9.5 9
Undervoltage shutdown, V. 8.5 8 8 8.2 8
Overvoltage shutdown, V. none
Refl ected (back) ripple current, mA pk-pk ②
25 10 40 1 40
Suggested external fast blow fuse, A 25 20 20 20 20
Input current
Full load conditions See ordering guide
Inrush transient, A
2
sec 0.1 A
2
sec
Input current if output is in short circuit, mA 250 200 250 250 250
No load, mA 160 185 200 270 110
Low line (Vin=min.), Amps 8.33 9.42 8.89 9.36 9.04
Standby mode, mA 85555
(Off, UV, OT shutdown)
Internal input fi lter type
L-C
Reverse polarity protection None, install external fuse
Remote On/Off control
Positive logic ("P" model suffi x)
OFF=Ground pin to +0.8V max.
ON=open pin or +3.5 to +15V max.
Negative logic ("N" model suffi x)
OFF=open pin or +5V to +15V max.
ON=Ground pin or 0 to +0.8V max.
Current, mA 1
OUTPUT
Voltage output range See ordering guide
Voltage output accuracy ±1% of Vnom., (50% load)
Adjustment range -10 to +10% of Vnom.
Temperature coeffi cient ±0.02% of Vout range per °C
Minimum loading No minimum load
Remote sense compensation +10% max.
Ripple/noise (20 MHz bandwidth) See ordering guide
Line/Load regulation See ordering guide
Effi ciency See ordering guide
Maximum capacitive loading, μF
low ESR, resistive load
10,000 10,000 4,700 4700 1500
Isolation voltage
Input to Output, Volts min. DC 1500
Input to baseplate, Volts min. DC 1500
Baseplate to output, Volts min. DC 750
Isolation resistance, MΩ 100
Isolation capacitance, pF 1500 1000 1000 1000 1000
Isolation safety rating Basic insulation
Current limit inception (98% of
Vout, after warmup), Amps
27 22.5 8.5 7.25 4.0
Short circuit protection method Current limiting, hiccup autorestart. Remove overload for recovery.
Short circuit current, Amps 0.5 1.0 1.5 1.5 1.0
Short circuit duration Continuous, output shorted to ground. No damage.
Overvoltage protection, Volts
(via magnetic feedback)
4.56 151829
18