SELECTION GUIDE
Order code
Input
Voltage
(V)
Output
Voltage
(V)
Output Current (MA)
Input Current (Rated Load)
(MA)
Efficiency
(%)
Isolation Capacitance
(PF) MTTF1
(KHRS) 2B0505XM 5 5 400 513 78 19 2327
2B0509XM 5 9 222 492 81 27 1393
2B0512XM 5 12 167 479 84 32 832
2B0515XM 5 15 133 481 83 27 481
2B1205XM 12 5 400 207 81 28 716
2B1209XM 12 9 222 198 84 42 593
2B1212XM 12 12 167 197 85 46 461
2B1215XM 12 15 133 197 85 54 328
2B2405XM 24 5 400 104 80 60 315
2B2409XM 24 9 222 100 83 65 302
2B2412XM 24 12 167 99 84 78 295
2B2415XM 24 15 133 99 84 58 282
MODEL SELECTION
2B
①05②05③X
④ M
⑤
①Product Series ②Input Voltage
③Output Voltage ④Fixed Input
⑤Package Style
MICRODC R ESERVES THE COPYRIGHT
Isolated 2W Single Output DC/DC Converters
FEATURES
◆Footprint from 1.05cm2 ◆I/O isolation voltage 1000VDC
◆Operating Temperature: -40℃～﹢85℃
◆High efficiency up to 85%
◆Fully encapsulated toroidal magnetics ◆Internal SMD construction ◆Custom solutions available ◆No electrolytic or tantalum capacitors ◆5V,9V,12V and 15V output ◆No heatsink required ◆Pin compatible with B-X(S)D-1W series ◆UL 94V-0 package material ◆No external compo nents required ◆Industry standard pinout ◆Power density 2.01W/cm3 ◆MTTF up to 2.3 million hours
APPLICATIONS
The 2B-XM series of DC/DC Converters is
particularly suited to isolating and/or
converting DC power rails. The galvanic
isolation allows the device to be con?gured to
provide an isolated negative rail in systems
where only positive rails exist.The wide
temperature range guarantees startup from
–40°C and full 2 watt output at 85°C. Pin
compatibility with the B-X(S)D-1W ensures ease of upgradeability.
Input Characteristics
Parameter Conditions Min Typ Max. Units
Voltage range Continuous operation,5V input types 4.5 5 5.5 Continuous operation,12V input types V 10.8 12 13.2 Continuous operation,24V input types 21.6 24 26.4 Reflected ripple current 5V input types 33 mA p-p
12V input types 38 mA p-p
Isolation characteristics
Parameter Conditions Min. Typ Max. Unit
Isolation test voltage 1 second 1000 VDC
Resistance Viso= 500VDC 10 G?
1.Calculated using MIL-HDBK-217FN2 calculation model with nominal input voltage at full load. 2.Supply voltage must be disconnected at the end of the short circuit duration. All specifications typical at TA=25°C,nominal input voltage and rated output curre
