Datasheet

UWE-100-120W Series
Wide Input, Isolated Eighth-Brick DC-DC Converters
MDC_UWE-100-120W.C02 Page 8 of 34
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FUNCTIONAL SPECIFICATIONS, UWE-5/20-Q48-C
ABSOLUTE MAXIMUM RATINGS
CONDITIONS AND COMMENTS ➀
MINIMUM TYPICAL/NOMINAL MAXIMUM UNITS
Input Voltage, Continuous Full power operation 80 Vdc
Input Voltage, Transient
Operating or non-operating,
100 mS max. duration
100 Vdc
Isolation Voltage Input to output 2250 Vdc
Input Reverse Polarity None, install external fuse None Vdc
On/Off Remote Control Power on or off, referred to -Vin 0 15 Vdc
Output Power 0 101 W
Output Current
Current-limited, no damage,
short-circuit protected
020A
Storage Temperature Range Vin = Zero (no power) -55 125 °C
Absolute maximums are stress ratings. Exposure of devices to greater than any of these conditions may adversely affect long-term reliability. Proper operation under conditions other than those
listed in the Performance/Functional Specifi cations Table is not implied or recommended.
INPUT
CONDITIONS AND COMMENTS ➀ ➂
Operating voltage range 18 48 75 Vdc
Recommended External Fuse Fast blow 10 A
Start-up threshold, Turn On Rising input voltage 17 17.5 17 Vdc
Undervoltage shutdown, Turn Off : @10A load Falling input voltage 15.5 16 17.5 Vdc
Turn-On/Turn-Off Hysteresis 1 1.5 Vdc
Overvoltage shutdown NA Vdc
Reverse Polarity Protection None, install external fuse None Vdc
Internal Filter Type L-C-type
Input current
Full Load Conditions Vin = nominal 2.30 2.36 A
Low Line Vin = minimum 6.11 6.27 A
Inrush Transient 0.1 A
2
-Sec.
Short Circuit Input Current 250 350 mA
No Load Input Current Iout = minimum, unit=ON 100 135 mA
Standby Mode Input Current (Off, UV, OT) 510mA
Refl ected (back) ripple current ➁
no fi ltering 500 600 mA, P-P
Refl ected (back) ripple current ➁
Measured at input with specifi ed fi lter 30 40 mA, P-P
Pre-biased startup Monotonic
GENERAL AND SAFETY
Effi ciency
Vin=24V, full load 90.5 92 %
Vin=min. to max. 89.5 91 %
Vin=48V, full load 89 90.5 %
Isolation
Isolation Voltage, input to output No baseplate 2250 Vdc
Isolation Voltage, input to output With baseplate 2250 Vdc
Isolation Voltage, input to baseplate With baseplate 1500 Vdc
Isolation Voltage, output to baseplate With baseplate 750 Vdc
Insulation Safety Rating basic
Isolation Resistance 100 M
Isolation Capacitance 1000 pF
Safety
Certifi ed to UL-60950-1, CSA-C22.2 No.60950-1,
IEC/EN60950-1, 2nd edition (pending)
Yes
Calculated MTBF
Per Telcordia SR332, issue 1, class 3, ground
fi xed, Tambient=+40C
TBD Hours x 10
3
DYNAMIC CHARACTERISTICS
Fixed Switching Frequency 200 225 250 KHz
Startup Time Power on, Vout regulated 20 30 mS
Startup Time Remote ON to Vout regulated 20 30 mS
Dynamic Load Response
50-75-50% load step, settling time to within
2% of Vout.
100 200 µSec
Dynamic Load Peak Deviation same as above ±450 mV
FEATURES AND OPTIONS
Remote On/Off Control ➃
“N” suffi x:
Negative Logic, ON state ON = Pin grounded or external voltage 0 0.8 V
Negative Logic, OFF state OFF = Pin open or external voltage 3.5 15 V
Control Current open collector/drain 1 2 mA
“P” suffi x:
Positive Logic, ON state ON = Pin open or external voltage 5 15 V
Positive Logic, OFF state OFF = Ground pin or external voltage 0 0.8 V
Control Current open collector/drain 1 2 mA
Base Plate "B" suffi x