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:
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:
Low Profile 0.3" Height! Up to 2.5 Watts
No Heat Sink or Electrical Derating Required
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
case temp)
FEATURES
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
Output voltage tolerance at full load:
Up to 2.5 watt output at 70º C ambient
Encapsulated semiconductors, conservatively rated
for maximum reliability
Ultraminiature size (0.3" Height)
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
5V models ± 0.25V
9V models ± 0.3V
12V & 15V models ± 0.4V
24V & 28V models ± 0.5V
48V models ± 0.7V
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
Max. Max.
Input
PICO
Eff. @
PICO
Input Output Load Output
Current
Surface
Full
PlugIn
Volt. Volt. Current Power
Full
Mount
Load
Part
(V
(V
per
per
Load
Part
Typical
Number
DC) DC) Output Output
Typical
Number
(%)
(mA) (watts)
(mA)
5B5D
5B9D
5B12D
5B15D
5B24D
5B28D
5B48D
12B5D
12B9D
12B12D
12B15D
12B24D
12B28D
12B48D
15B5D
15B9D
15B12D
15B15D
15B24D
15B28D
15B48D
24B5D
24B9D
24B12D
24B15D
24B24D
24B28D
24B48D
28B5D
28B9D
28B12D
28B15D
28B24D
28B28D
28B48D
48B5D
48B9D
48B12D
48B15D
48B24D
48B28D
5SB5D
5SB9D
5SB12D
5SB15D
5SB24D
5SB28D
5SB48D
12SB5D
12SB9D
12SB12D
12SB15D
12SB24D
12SB28D
12SB48D
15SB5D
15SB9D
15SB12D
15SB15D
15SB24D
15SB28D
15SB48D
24SB5D
24SB9D
24SB12D
24SB15D
24SB24D
24SB28D
24SB48D
28SB5D
28SB9D
28SB12D
28SB15D
28SB24D
28SB28D
28SB48D
48SB5D
48SB9D
48SB12D
48SB15D
48SB24D
48SB28D
5
5
5
5
5
5
5
12
12
12
12
12
12
12
15
15
15
15
15
15
15
24
24
24
24
24
24
24
28
28
28
28
28
28
28
48
48
48
48
48
48
5
9
12
15
24
28
48
5
9
12
15
24
28
48
5
9
12
15
24
28
48
5
9
12
15
24
28
48
5
9
12
15
24
28
48
5
9
12
15
24
28
150
83
62
50
31
27
15
150
111
83
66
41
35
21
150
111
83
66
41
35
21
150
111
83
66
52
45
26
150
111
83
66
52
45
26
150
111
83
67
52
45
0.75
0.75
0.75
0.75
0.75
0.75
0.75
0.75
1.0
1.0
1.0
1.0
1.0
1.0
0.75
1.0
1.0
1.0
1.0
1.0
1.0
0.75
1.0
1.0
1.0
1.25
1.25
1.25
0.75
1.0
1.0
1.0
1.25
1.25
1.25
0.75
1.0
1.0
1.0
1.25
1.25
68
73
76
78
80
78
79
71
76
81
81
83
80
80
71
76
81
81
83
80
80
71
76
80
81
82
81
82
67
75
77
77
81
81
82
71
76
82
82
84
83
441
411
394
384
375
385
380
176
219
205
205
200
208
208
141
175
165
165
161
167
167
88
110
104
102
127
129
127
80
95
93
93
110
110
109
44
55
51
51
62
63
Output
Full
Volt.
No
Load
Ripple Load
Price
Output
@ Full Current
(US
Voltage
Load* Typical
$)
Tolerance
(Vpp (mA)
(V DC)
max)
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.20
0.20
0.20
0.20
0.20
0.20
90
90
90
90
90
90
90
40
40
40
40
40
40
40
34
34
34
34
34
34
34
10
15
15
15
15
15
15
15
15
15
15
15
15
15
3
3
3
3
3
3
±0.25
±0.3
±0.4
±0.4
±0.5
±0.5
±0.7
±0.25
±0.3
±0.4
±0.4
±0.5
±0.5
±0.7
±0.25
±0.3
±0.4
±0.4
±0.5
±0.5
±0.7
±0.25
±0.3
±0.4
±0.4
±0.5
±0.5
±0.7
±0.25
±0.3
±0.4
±0.4
±0.5
±0.5
±0.7
±0.25
±0.3
±0.4
±0.4
±0.5
±0.5
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
66.72
71.60
71.60
71.60
71.60
71.60
71.60
* The output is measured with a 22µF, 75 volt high quality tantalum capacitor which is required across each output.
Ordering Instructions: No minimum. Net 30 days F.O.B. Pelham, New York
Deliverystock to one week for sample orders.
Series B/SB Single Output
B Single
Typical Weight: 8.0
Grams
SB Single
Pin no.
1
2
Single
INP
N/C
For immediate engineering assistance or to place an order:
Call Toll Free: 8004311064
PICO Electronics, Inc.
143 Sparks Ave. Pelham, NY 108031810
Tel: 9147381400 or Fax: 9147388225
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