2B-X(S)D Series
Fixed Input,Isolated 2W Single Output DC/DC Converters
SELECTION GUIDE
Input
Voltage
(V)
Output
Voltage
(V)
Output
Current
(MA)
Input Current
(Rated Load)
(MA)
Efficiency
(%)
Isolation
Capacitance
(PF)
MTTF1
Order code
(KHRS)
2B0503XS
2B0505XS
2B0505XD
2B0509XS
2B0509XD
2B0512XS
2B0512XD
2B0515XS
2B0515XD
2B0524XS
2B0524XD
2B1205XS
2B1205XD
2B1209XS
2B1209XD
2B1212XS
2B1212XD
2B1215XS
2B1215XD
2B1224XS
2B1224XD
2B1515XS
2B1515XD
2B2405XS
2B2406XS
2B2409XS
2B2412XS
2B2415XS
2B2424XS
2B2405XD
2B2409XD
2B2412XD
2B2415XD
2B2424XD
5
3.3
5
400
400
400
222
222
167
167
133
133
83
470
470
470
455
455
450
450
450
450
442
442
200
200
190
190
190
190
185
185
99
85
81
81
84
84
84
84
84
84
82
84
81
81
83
83
85
85
85
85
84
83
85
85
80
82
83
84
84
84
80
83
84
84
84
30
33
33
40
40
40
40
40
40
40
40
40
40
61
61
74
74
68
68
68
69
68
70
60
58
65
78
58
68
60
65
78
58
68
3988
3956
3956
3682
3682
3299
3299
2833
2833
2766
2766
2519
2519
2405
2405
2235
2235
2011
2011
1800
1789
2012
2015
2000
1850
1980
1800
1760
1800
1850
1886
1986
1801
1850
5
FEATURES
5
5
5
9
◆RoHS compliant
5
9
◆I/O isolation voltage 1000VDC
◆Operating Temperature: -40℃～﹢85℃
◆High efficiency up to 81%
5
12
12
15
15
24
24
5
5
5
5
5
◆Fully encapsulated toroidal magnetics
◆Internal SMD construction
5
83
12
12
12
12
12
12
12
12
12
12
15
15
24
24
24
24
24
24
24
24
24
24
24
400
400
222
222
167
167
133
133
83
5
◆Power density up to 0.85W/cm3
◆No electrolytic or tantalum capacitors
◆5V,9V,12V and 15V output
9
9
12
12
15
15
24
24
15
15
5
◆No heat sink required
◆Dual output from a single input rail
◆UL 94V-0 package material
◆No external components required
◆Industry standard pinout
83
99
133
133
400
333.3
222
167
133
83
185
185
104
102
100
99
6
9
◆Power sharing on output
12
15
24
5
◆MTTF up to 3.9 million hours
99
99
400
222
167
133
83
104
100
99
MODEL SELECTION
①
②
③
④
⑤
9
2B 05 05 X S
12
15
24
99
①Product Series
③Output Voltage
⑤SIP Package
②Input Voltage
④Fixed Input
99
add Suffix “P” for Continuous Short Circuit Protection, e.g. 2B0505XDP
Input Characteristics
APPLICATIONS
Parameter
Conditions
Min Typ Max. Units
The 2B-X(S)D series of DC/DC converters
is particularly suited to isolating and or
converting DC power rails. The galvanic
isolation allows the device to be configured 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℃. Pin
compatibility with the B_XLS series ensures
ease of upgradeability.
Continuous operation,5V input types
4.5
5
5.5
Continuous operation,12V input types
Continuous operation,24V input types
10.8
21.6
12
24
13.2
26.4
Voltage range
V
Reflected ripple current
7.5
15
mA p-p
Absolute Maximum Ratings
Short-circuit protection2
1 second
Lead temperature 1.5mm from case for 10 seconds
300℃
Internal power dissipation
Input voltage VIN,B05 types
550mW
7V
Input voltage VIN,B12 types
15V
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.
MICRODC RESERVES THE COPYRIGHT
All specifications typical at TA=25°C,nominal input voltage and rated output current unless otherwise specified.
http://www.microdc.cn Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
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