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(888) IPD-CONVerters
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(888) 473-2668
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www.ipdconverters.com
BWD SERIES - DUAL OUTPUT, 2.5 WATT
DESCRIPTION
FEATURES
• Wide Range Input
• Input Pi Filter
• 500V Isolation
BWD dual output DC/DC converters offer excellent
regulation and isolation in an industry standard DIP
package. With several input voltage ranges, the BWD
is perfect for industrial, telecom, and networking
applications. The BWD features short circuit
• Industry Standard Dip
Package
• Industry Standard Pinout
• 85°C Case Operation
• Short Circuit Protection
protection, low profile, and 500 VDC isolation. Please
see the BWS series for single output applications.
Efficiency vs. Load (24V Input)
85
80
75
70
65
60
55
50
45
40
EFF.
BWD2415
EFF.
BWD2412
TECHNICAL SPECIFICATIONS
Input
Voltage Range
10
20
30
40
50
60
70
80
90
100
5 VDC Nominal
12 VDC Nominal
24 VDC Nominal
48 VDC Nominal
4.5 - 9 VDC
9 - 18 VDC
19 - 36 VDC
36 - 72 VDC
LOAD %
Reflected Ripple
20% Iin Max.
100% Iin Max.
Reverse Input Current
Efficiency vs. Load (48V Input)
Output
Setpoint Accuracy
±1%
±1.5% Vout
±2.5% Vout
10 % lout Rated
25% Iout
90
Line Regulation Vin Min. - Vin Max., Iout Rated
Load Regulation Iout Min. - Iout Max., Vin Nom.
Minimum Output Current
85
80
75
70
65
60
55
50
45
40
Dynamic Regulation, 1/4 to Full Load Step
Pk Deviation
Settling Time
Temperature Coefficient
Ripple and Noise, 20 MHz BW
Short Circuit Protection
4% Vout
500 µs
0.02%/°C
EFF.
BWD4812
EFF.
BWD4808
150 mV
Continuous Auto-restart
180%
1
Current Limit
10
20
30
40
50
60
70
80
90
100
LOAD %
General
No Load Input Power
Switching Frequency
Isolation
0.7 W
200 kHz
Input - Output
Input - Case
Output - Case
500 VDC
500 VDC
500 VDC
109 Ohms
80 pF
Notes
1 Continuous short circuit protection is provided. Long-term continuous operation in
this mode is not recommended. Converter will auto-restart once fault has been
removed
Isolation Resistance - Input to Output
Isolation Capacitance - Input to Output
Case Temperature
Standard Operating Range
Industrial Range (add -I to p/n)
Storage Range
Humidity Max., Non-Condensing
Vibration, 3 Axes, 5 Min Each
Safety
Specifications typically at 25°C, normal line, and full load, unless otherwise
stated.
-25 to +85°C
-40 to +85°C
-40 to +125°C
95%
5 g, 10 - 55 Hz
UL, CUL, TUV
0.7 oz
Soldering Conditions: I/O pins, 260°C, ten seconds; fully compatible with
commercial wave-soldering equipment.
Safety: Agency approvals may vary from model to model. Please consult factory
for specific model information.
Weight (Approx.)
1