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	63.17 63.17 63.17 63.17 63.17 63.17 63.17 63.17 63.17
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	63.17 63.17 63.17 63.17 63.17 63.17 63.17 63.17 63.17
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	63.17 63.17 63.17 63.17 63.17 63.17 63.17 63.17 63.17
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	63.17 63.17 63.17 63.17 63.17 63.17 63.17 63.17 63.17
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	63.17 63.17 63.17 63.17 63.17 63.17 63.17 63.17 63.17
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	67.77 67.77 67.77 67.77 67.77 67.77 67.77 67.77
* 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--Sample orders typically ship within two weeks.

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	76.38 76.38 76.38 76.38 76.38 76.38 76.38
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	76.38 76.38 76.38 76.38 76.38 76.38 76.38
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	76.38 76.38 76.38 76.38 76.38 76.38 76.38
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	76.38 76.38 76.38 76.38 76.38 76.38 76.38
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	76.38 76.38 76.38 76.38 76.38 76.38 76.38
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	81.98 81.98 81.98 81.98 81.98 81.98
* 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--Sample orders typically ship within two weeks.