SERIES B/SB
SURFACE MOUNT and PLUGIN
Hi Reliability
UltraMiniature
Isolated DCDC Converters
Up to 2.5 Watts
This series of unregulated DCDC converters comes in a miniaturized encapsulated package. 188
different models are available. The units feature single and isolated dual outputs. They will operate over
the temperature range of 25º C to +70º C. No heat sink is required.
TYPICAL CHARACTERISTICS:
Low Profile 0.3" Height! Up to 2.5 Watts
No Heat Sink or Electrical Derating Required
Test conditions: 25º C ambient and input voltage
at nominal value unless otherwise specified.
LINE REGULATION: OUTPUT IS DIRECTLY
PROPORTIONAL TO THE INPUT.
Input voltage range:
OPTIONS AVAILABLE
Per Mil. Std. 883
Expanded operating temp. (55º C to +85º C)
Stabilization Bake (125º C ambient)
Temperature Cycle (55º C to +125º C)
Hi Temp, full power burn in (100% power, 125º C
5V models: 4 to 6.5V DC
12V models: 9 to 15V DC
15V models: 12 to 18V DC
24V models: 17 to 28V DC
28V models: 21 to 32V DC
48V models: 25 to 50V DC
case temp)
Output voltage tolerance at full load:
FEATURES
Up to 2.5 watt output at 70º C ambient
Encapsulated semiconductors, conservatively rated
for maximum reliability
Ultraminiature size (0.3" Height)
5V models ± 0.25V
9V models ± 0.3V
12V & 15V models ± 0.4V
24V & 28V models ± 0.5V
48V models ± 0.7V
6 input voltage ranges 5, 12, 15, 24, 28 and 48V DC
100 megohm @ 500V DC isolation
Single and dual isolated output
No heat sink required
Converter frequency: 20 40 KHz
Output temperature coefficient: 0.02%/ºC
Operating temperature: 25º C to +70º C ambient.
No heat sink is required.
Storage temperature: 55º C to +125º C
Isolation: 100 megohms min. @ 500V DC
Short circuit protection: Temporary
SERIES B/SB SINGLE OUTPUT
