BEI15 Series
Isolated Wide Input Bipolar 15-Watt DC/DC Converters
FUNCTIONAL SPECIFICATIONS
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.
Undervoltage shutdown, Volts
9.0
8.5
17.0
16.0
9.5 17.0
8.4 16.2
8.9
8.4
17.0
16.0
Overvoltage shutdown, Volts
none
Re?ected (back) ripple current mA pk-pk
5
30
30 30
5
30
Input current
Full load conditions
See ordering guide
Inrush transient, A2sec
Output short circuit, mA
Output at min. load, mA
Low line (Vin=min.), Amps
Standby mode, mA (Off, UV, OT shutdown)
Recommended fuse, Amps
0.05
50
90
2.03
25
4
0.05
50
50
1.0
1
2
0.05 0.05
50 50
95 50
2.01 0.97
1 1
4 2
0.05
50
30
1.97
1
4
0.05
50
50
0.96
1
2
Internal input ?lter type
Reverse polarity protection
Remote On/Off Control
Positive logic ("P" model suf?x)
Negative logic ("N" model suf?x)
On/Off Current, mA max.
Capacitive
None, install external fuse
OFF=Gnd pin or
-0.7 to +0.8V max.
ON=open pin or
+10 to +15V max.
OFF=open pin or
+10 to +15V max.
ON=Gnd pin or
-0.7 to +0.8V 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
Voltage output accuracy, % of Vnom. (50% load)
Temperature coef?cient, % of Vout range/°C
Minimum loading, percent of full power
Ripple/noise (20 MHz bandwidth)
Line/Load regulation
Ef?ciency
See ordering guide
±1
±0.02
10
See ordering guide
Capacitive loading, μF max.,
low ESR <0.02Ω max., resistive load
Overvoltage protection, Volts
(hiccup auto restart after fault removal)
500
6.5
500
7
150
15.8
150
16
100
18
100
20
OV protection method
Isolation voltage
Magnetic feedback
Input to Output, Volts DC min.
Isolation resistance, MΩ min.
Isolation capacitance, pF
2000
10
1000
2250
10
1000
2000
10
600
2250
10
700
2000
10
1000
2250
10
1000
Isolation safety rating
Miscellaneous
Basic insulation
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
Short circuit current, Amps max.
Short circuit duration (output shorted to ground) ?
Current limiting, hiccup autorestart
0.3
Continuous
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MDC_BEI15W.A16 Page 3 of 15
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