BPM15 Series
Encapsulated Isolated Wide Input Bipolar 15-Watt DC-DC Converters
MDC_BPM15.A02 Page 15 of 29
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FUNCTIONAL SPECIFICATIONS, BPM15-050-Q48
ABSOLUTE MAXIMUM RATINGS
Conditions ➀
Minimum Typical/Nominal Maximum Units
Input Voltage, Continuous 0 75 Vdc
Input Voltage, Transient 100 mS max. duration 100 Vdc
Isolation Voltage Input to output 1600 Vdc
On/Off Remote Control Power on, referred to -Vin 0 15 Vdc
Output Power 1.48 15.23 W
Output Current
Current-limited, no damage, short-circuit
protected
0.15 1.5 A
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
Operating Voltage Range 18 48 75 Vdc
Recommended External Fuse Fast blow 2 A
Start-up Threshold Rising input voltage 15.5 16.5 17.5 Vdc
Undervoltage Shutdown (50% load) Falling input voltage 15 16 17 Vdc
Internal Filter Type C
Input Current
Full Load Input Current Vin = nominal 0.384 0.396 A
Low Line Input Current Vin = minimum 1.019 1.057 A
Inrush Transient 0.05 A2-Sec.
Short Circuit Input Current 0.05 0.1 A
Minimum Load Input Current Iout = minimum, unit = ON 50 100 mA
Shut-Down Input Current (Off, UV, OT) 12mA
Refl ected (Back) Ripple Current ➁
Measured at input with specifi ed fi lter 50 mA, p-p
GENERAL and SAFETY
Effi ciency
Vin = 48V, full load 80 81.4 %
Vin = min., full load 80 81.8 %
Isolation
Isolation Voltage Input to output 1600 Vdc
Isolation Resistance 10 M
Isolation Capacitance 1500 pF
Safety
Certifi ed to UL-60950-1, CSA-C22.2 No.
60950-1, IEC/60950-1, 2nd edition, with AM1
Approved
Calculated MTBF
Per Telcordia SR332, issue 1, class 3, ground
fi xed, Tambient = +25°C
5 Hours x 10
6
DYNAMIC CHARACTERISTICS
Fixed Switching Frequency 275 305 335 KHz
Startup Time Power on to Vout regulated 50 mS
Startup Time Remote ON to Vout regulated 50 mS
Dynamic Load Response
50-75-50% load step, settling time to within
1% of Vout
100 200 µSec
Dynamic Load Peak Deviation same as above ±100 ±150 mV
FEATURES and OPTIONS
Remote On/Off Control ➂
“N” suffi x
Negative Logic, ON state ON = Ground pin -0.7 0.8 V
Negative Logic, OFF state OFF = Pin open 10 15 V
Control Current Open collector/drain 1 mA
“P” suffi x
Positive Logic, ON state ON = Pin open 10 15 V
Positive Logic, OFF state OFF = Ground pin -0.7 0.8 V
Control Current Open collector/drain 1 mA
