Datasheet

BEI15 Series
Isolated Wide Input Bipolar 15-Watt DC/DC Converters
MDC_BEI15W.A18 Page 3 of 15
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INPUT CHARACTERISTICS BEI15-050-Q12 BEI15-050-Q48 BEI15-120-Q12 BEI15-120-Q48 BEI15-150-Q12 BEI15-150-Q48
Input voltage range See ordering guide
Start-up threshold, Volts typ. 9.0 17.0 9.5 17.0 8.9 17.0
Undervoltage shutdown, Volts 8.5 16.0 8.4 16.2 8.4 16.0
Overvoltage shutdown, Volts none
Refl ected (back) ripple current mA pk-pk 5303030530
Input current
Full load conditions See ordering guide
Inrush transient, A2sec 0.05 0.05 0.05 0.05 0.05 0.05
Output short circuit, mA 50 50 50 50 50 50
Output at min. load, mA 90 50 95 50 30 50
Low line (Vin=min.), Amps 2.03 1.0 2.01 0.97 1.97 0.96
Standby mode, mA (Off, UV, OT shutdown) 2511111
Recommended fuse, Amps 424242
Internal input fi lter type Capacitive
Reverse polarity protection None, install external fuse
Remote On/Off Control
Positive logic ("P" model suffi x)
OFF=Gnd pin or
-0.7 to +0.8V max.
ON=open pin or
+10 to +15V max.
Negative logic ("N" model suffi x)
OFF=open pin or
+10 to +15V max.
ON=Gnd pin or
-0.7 to +0.8V max.
On/Off Current, mA max. 1
OUTPUT CHARACTERISTICS BEI15-050-Q12 BEI15-050-Q48 BEI15-120-Q12 BEI15-120-Q48 BEI15-150-Q12 BEI15-150-Q48
Voltage output range See ordering guide
Voltage output accuracy, % of Vnom. (50% load) ±1
Temperature coeffi cient, % of Vout range/°C ±0.02
Minimum loading, percent of full power 10
Ripple/noise (20 MHz bandwidth)
See ordering guideLine/Load regulation
Effi ciency
Capacitive loading, μF max.,
low ESR <0.02Ω max., resistive load
500 500 150 150 100 100
Overvoltage protection, Volts
(hiccup auto restart after fault removal)
6.5 7 15.8 16 18 20
OV protection method Magnetic feedback
Isolation voltage
Input to Output, Volts DC min. 2000 2250 2000 2250 2000 2250
Isolation resistance, MΩ min. 10 10 10 10 10 10
Isolation capacitance, pF 1000 1000 600 700 1000 1000
Isolation safety rating Basic insulation
Miscellaneous
Current limit inception, Amps (Vout
actual ≤ 98% of Vnom.) after warmup
2.6 2.5 1 1.1 0.9 0.9
Short circuit protection method Current limiting, hiccup autorestart
Short circuit current, Amps max. 0.3
Short circuit duration (output shorted to ground)➀
Continuous
FUNCTIONAL SPECIFICATIONS