Datasheet
UWE Series
Wide Input, Isolated
Eighth-Brick DC-DC Converters
MDC_UWE Series.E04 Page 5 of 23
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FUNCTIONAL SPECIFICATIONS, Q48 MODELS, CONTINUED
OUTPUT
UWE-3.3/20-Q48 UWE-5/15-Q48 UWE-12/6-Q48 UWE-15/5-Q48
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 <0.02Ω max., resistive load
4,700 10,000 4,700 3300
Isolation voltage
Input to Output, Volts min. DC
2250
Input to baseplate, Volts min. DC
1500
Baseplate to output, Volts min. DC
750
Isolation resistance, MΩ
100
Isolation capacitance, pF
1000 1500 1000 1000
Isolation safety rating
Basic insulation
Current limit inception (98% of
Vout, after warmup), Amps
26.5 21.0 8.0 7.05
Short circuit protection method
Current limiting, hiccup autorestart. Remove overload for recovery.
Short circuit current, Amps
5.0 1.5 1.0 1.5
Short circuit duration
Continuous, output shorted to ground. No damage.
Overvoltage protection, Volts
(via magnetic feedback)
4 6.5 15 18
DYNAMIC CHARACTERISTICS
Dynamic load response, μSec
(50-75-50% load step) to fi nal value
50 (to ± 2%) 50 (to ± 2%) 50 (to ± 1%) 50 (to ± 1%)
Start-up time
Vin to Vout regulated, mSec
20 20 30 30
Remote On/Off to Vout regulated, mSec
10 20 20 25
Switching frequency, KHz
215±20 240±20 220±20 225±25
ENVIRONMENTAL
Operating temperature range, no baseplate
with derating, °C (see Derating curves)
-40 to +85 with derating
Storage temperature range, °C
-55 to +125
Maximum baseplate operating temperature, °C
+100 +105 +100 +105
Thermal protection/shutdown, °C
+120 +120 +120 +120
Relative humidity
to +85°C/85% non-condensing
PHYSICAL
Outline dimensions
See mechanical specs
Pin material
Copper alloy
Pin Finish
Nickel underplate with gold overplate (see mechanical specs for details)
Pin diameter, inches
0.04/0.062
Pin diameter, mm
1.016/1.575
Weight, ounces
0.7
Weight, grams
20
Electromagnetic interference (conducted)
Meets EN55022 and CISPR22 class B with external fi lter.
Safety
Certifi ed to UL/cUL 60950-1, CSA-C22.2 No.60950-1, IEC/EN 60950-1, 2nd Edition