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Pico Electronics: SERIES B/SB SURFACE MOUNT and PLUG-IN

SERIES B/SB
SURFACE MOUNT and PLUG-IN

Hi Reliability
Ultra-Miniature 
Isolated DC-DC Converters
Up to 2.5 Watts

This series of unregulated DC-DC 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.

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
     
  • Up to 2.5 watt output at 70º C ambient 
  • Encapsulated semiconductors, conservatively rated for maximum reliability 
  • Ultra-miniature 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 
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:


      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:

      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 

PICO
Plug-In
Part
Number
PICO
Surface
Mount
Part
Number
Input
Volt.
(V DC)
Output
Volt.
(V DC)
Max.
Load
Current
(mA)
Max.
Output
Power
(watts)
Eff. @
Full
Load
Typical
(%)
Input
Current
Full
Load
Typical
(mA)
Output
Volt.
Ripple
@ Full
Load*
(Vp-p max)
No Load
Current
Typical
(mA)
Full
Load
Output
Voltage
Tolerance
(V DC)
Price
(US $)
5B3.3S
5B5S
5B5.2S
5B9S
5B12S
5B15S
5B24S
5B28S
5B48S
5SB3.3S
5SB5S
5SB5.2S
5SB9S
5SB12S
5SB15S
5SB24S
5SB28S
5SB48S
5
5
5
5
5
5
5
5
5
3.3
5
5.2
9
12
15
24
28
48
454
300
288
167
125
100
63
54
31
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
60
67
67
73
75
75
78
78
79
500
447
447
411
400
400
385
385
380
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
90
90
90
90
90
90
90
90
90
±0.2
±0.25
±0.25
±0.3
±0.4
±0.4
±0.5
±0.5
±0.7
59.03
59.03
59.03
59.03
59.03
59.03
59.03
59.03
59.03
12B3.3S
12B5S
12B5.2S
12B9S
12B12S
12B15S
12B24S
12B28S
12B48S
12SB3.3S
12SB5S
12SB5.2S
12SB9S
12SB12S
12SB15S
12SB24S
12SB28S
12SB48S
12
12
12
12
12
12
12
12
12
3.3
5
5.2
9
12
15
24
28
48
454
300
288
222
167
133
83
71
42
1.5
1.5
1.5
2.0
2.0
2.0
2.0
2.0
2.0
60
69
69
76
78
78
80
80
80
208
182
182
219
214
214
208
208
208
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
40
40
40
40
40
40
40
40
40
±0.2
±0.25
±0.25
±0.3
±0.4
±0.4
±0.5
±0.5
±0.7
59.03
59.03
59.03
59.03
59.03
59.03
59.03
59.03
59.03
15B3.3S
15B5S
15B5.2S
15B9S
15B12S
15B15S
15B24S
15B28S
15B48S
15SB3.3S
15SB5S
15SB5.2S
15SB9S
15SB12S
15SB15S
15SB24S
15SB28S
15SB48S
15
15
15
15
15
15
15
15
15
3.3
5
5.2
9
12
15
24
28
48
454
300
288
222
167
133
83
71
42
1.5
1.5
1.5
2.0
2.0
2.0
2.0
2.0
2.0
60
69
69
76
78
78
80
80
80
167
145
145
175
171
171
167
167
167
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
34
34
34
34
34
34
34
34
34
±0.2
±0.25
±0.25
±0.3
±0.4
±0.4
±0.5
±0.5
±0.7
59.03
59.03
59.03
59.03
59.03
59.03
59.03
59.03
59.03
24B3.3S
24B5S
24B5.2S
24B9S
24B12S
24B15S
24B24S
24B28S
24B48S
24SB3.3S
24SB5S
24SB5.2S
24SB9S
24SB12S
24SB15S
24SB24S
24SB28S
24SB48S
24
24
24
24
24
24
24
24
24
3.3
5
5.2
9
12
15
24
28
48
454
300
288
222
167
133
104
89
52
1.5
1.5
1.5
2.0
2.0
2.0
2.5
2.5
2.5
60
69
69
76
78
78
82
81
82
104
91
91
110
107
107
127
129
127
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
10
10
10
15
15
15
15
15
15
±0.2
±0.25
±0.25
±0.3
±0.4
±0.4
±0.5
±0.5
±0.7
59.03
59.03
59.03
59.03
59.03
59.03
59.03
59.03
59.03
28B3.3S
28B5S
28B5.2S
28B9S
28B12S
28B15S
28B24S
28B28S
28B48S
28SB3.3S
28SB5S
28SB5.2S
28SB9S
28SB12S
28SB15S
28SB24S
28SB28S
28SB48S
28
28
28
28
28
28
28
28
28
3.3
5
5.2
9
12
15
24
28
48
454
300
288
222
167
133
104
89
52
1.5
1.5
1.5
2.0
2.0
2.0
2.5
2.5
2.5
60
67
67
75
77
77
81
81
82
89
80
80
95
93
93
110
110
109
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
15
15
15
15
15
15
15
15
15
±0.2
±0.25
±0.25
±0.3
±0.4
±0.4
±0.5
±0.5
±0.7
59.03
59.03
59.03
59.03
59.03
59.03
59.03
59.03
59.03
48B3.3S
48B5S
485.2S
48B9S
48B12S
48B15S
48B24S
48B28S
48SB3.3S
48SB5S
48SB5.2S
48SB9S
48SB12S
48SB15S
48SB24S
48SB28S
48
48
48
48
48
48
48
48
3.3
5
5.2
9
12
15
24
28
454
300
288
222
167
133
104
89
1.5
1.5
1.5
2.0
2.0
2.0
2.5
2.5
60
71
71
76
82
82
84
83
52
44
44
55
51
51
62
63
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
3
3
3
3
3
3
3
3
±0.2
±0.25
±0.25
±0.3
±0.4
±0.4
±0.5
±0.5
63.33
63.33
63.33
63.33
63.33
63.33
63.33
63.33
* The ripple is measured with a 22µF, 75 volt high quality tantalum capacitor which is required across the output.
Ordering Instructions: No minimum. Net 30 days F.O.B. Pelham, New York Delivery--stock to one week for sample orders.

SERIES B/SB - DUAL OUTPUT

PICO
Plug-In
Part
Number
PICO
Surface
Mount
Part
Number
Input
Volt.
(V DC)
Output
Volt.
(V DC)
Max.
Load
Current
per
Output
(mA)
Max.
Output
Power
per
Output
(watts)
Eff. @
Full
Load
Typical
(%)
Input
Current
Full
Load
Typical
(mA)
Output
Volt.
Ripple
@ Full
Load*
(Vp-p max)
No Load
Current
Typical
(mA)
Full
Load
Output
Voltage
Tolerance
(V DC)
Price
(US $)
5B5D
5B9D
5B12D
5B15D
5B24D
5B28D
5B48D
5SB5D
5SB9D
5SB12D
5SB15D
5SB24D
5SB28D
5SB48D
5
5
5
5
5
5
5
5
9
12
15
24
28
48
150
83
62
50
31
27
15
0.75
0.75
0.75
0.75
0.75
0.75
0.75
68
73
76
78
80
78
79
441
411
394
384
375
385
380
0.15
0.15
0.15
0.15
0.15
0.15
0.15
90
90
90
90
90
90
90
±0.25
±0.3
±0.4
±0.4
±0.5
±0.5
±0.7
66.72
66.72
66.72
66.72
66.72
66.72
66.72
12B5D
12B9D
12B12D
12B15D
12B24D
12B28D
12B48D
12SB5D
12SB9D
12SB12D
12SB15D
12SB24D
12SB28D
12SB48D
12
12
12
12
12
12
12
5
9
12
15
24
28
48
150
111
83
66
41
35
21
0.75
1.0
1.0
1.0
1.0
1.0
1.0
71
76
81
81
83
80
80
176
219
205
205
200
208
208
0.15
0.15
0.15
0.15
0.15
0.15
0.15
40
40
40
40
40
40
40
±0.25
±0.3
±0.4
±0.4
±0.5
±0.5
±0.7
66.72
66.72
66.72
66.72
66.72
66.72
66.72
15B5D
15B9D
15B12D
15B15D
15B24D
15B28D
15B48D
15SB5D
15SB9D
15SB12D
15SB15D
15SB24D
15SB28D
15SB48D
15
15
15
15
15
15
15
5
9
12
15
24
28
48
150
111
83
66
41
35
21
0.75
1.0
1.0
1.0
1.0
1.0
1.0
71
76
81
81
83
80
80
141
175
165
165
161
167
167
0.15
0.15
0.15
0.15
0.15
0.15
0.15
34
34
34
34
34
34
34
±0.25
±0.3
±0.4
±0.4
±0.5
±0.5
±0.7
66.72
66.72
66.72
66.72
66.72
66.72
66.72
24B5D
24B9D
24B12D
24B15D
24B24D
24B28D
24B48D
24SB5D
24SB9D
24SB12D
24SB15D
24SB24D
24SB28D
24SB48D
24
24
24
24
24
24
24
5
9
12
15
24
28
48
150
111
83
66
52
45
26
0.75
1.0
1.0
1.0
1.25
1.25
1.25
71
76
80
81
82
81
82
88
110
104
102
127
129
127
0.15
0.15
0.15
0.15
0.15
0.15
0.15
10
15
15
15
15
15
15
±0.25
±0.3
±0.4
±0.4
±0.5
±0.5
±0.7
66.72
66.72
66.72
66.72
66.72
66.72
66.72
28B5D
28B9D
28B12D
28B15D
28B24D
28B28D
28B48D
28SB5D
28SB9D
28SB12D
28SB15D
28SB24D
28SB28D
28SB48D
28
28
28
28
28
28
28
5
9
12
15
24
28
48
150
111
83
66
52
45
26
0.75
1.0
1.0
1.0
1.25
1.25
1.25
67
75
77
77
81
81
82
80
95
93
93
110
110
109
0.15
0.15
0.15
0.15
0.15
0.15
0.15
15
15
15
15
15
15
15
±0.25
±0.3
±0.4
±0.4
±0.5
±0.5
±0.7
66.72
66.72
66.72
66.72
66.72
66.72
66.72
48B5D
48B9D
48B12D
48B15D
48B24D
48B28D
48SB5D
48SB9D
48SB12D
48SB15D
48SB24D
48SB28D
48
48
48
48
48
48
5
9
12
15
24
28
150
111
83
67
52
45
0.75
1.0
1.0
1.0
1.25
1.25
71
76
82
82
84
83
44
55
51
51
62
63
0.20
0.20
0.20
0.20
0.20
0.20
3
3
3
3
3
3
±0.25
±0.3
±0.4
±0.4
±0.5
±0.5
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
Delivery--stock to one week for sample orders.

 
 

Series B/SB Single Output

B Single 


Bottom View

Larger Size Drawing

Typical Weight: 8.0 Grams 

Larger Size Schematic

SB Single 


Bottom View

Larger Size Drawing

Pin no.
Single 
1
-INP 
2
N/C 
3
N/C 
4
+INP 
5
+OUT 
6
-OUT 
7
N/C 
8
N/C 

 


Series B/SB Dual Output

B Dual 


Bottom View

Larger Size Drawing

Typical Weight: 8.5 Grams

Larger Size Schematic

SB Dual 


Bottom View

Larger Size Drawing

Pin no.
Dual 
1
-INP 
2
N/C 
3
N/C 
4
+INP 
5
+OUT 1 
6
-OUT 1 
7
+OUT 2 
8
-OUT 2 

 

SINGLE & DUAL 48V - 5V 

Larger Size Graph

SINGLE & DUAL 5V - 5V 

Larger Size Graph

SINGLE & DUAL 24V - 24V 

Larger Size Graph


 
 
RECOMMENDED LAND PATTERN DIMENSIONS


For immediate engineering assistance or to place an order:
Call Toll Free: 800-431-1064

PICO Electronics, Inc.

143 Sparks Ave. Pelham, NY 10803-1810
Tel: 914-738-1400 or Fax: 914-738-8225