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10-15Watt BSI Series
Ultra High Efficiency Step Down DC-DC Converters/BSI 10-15Watt Series
Ultra High Efficiency (90-95%), Minimum Size, Step-Down DC-DC Converter |
Input : 2.5V , 3.3V , 5V
Input : 5V , 12V
Input : 6V , 12V , 15V |
Output: 2.5V(1.5V-2.5V)
Output: 3.3V(1.8V-3.3V)
Output: 5.0V(3.3V-5.0V) |
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| - Input Voltage Range 2.5V-16.5V |
| - Output Voltage Range 1.5V-5V |
| - Latest Technology,Synchronous |
| Rectification Circuit |
| - Efficiency 90%-95% |
| - Adjustable Output Voltage |
| - Non-Isolated Type Converter |
| - Short Circuit, Over-Current |
| Protection |
| - No Electrolytic Capacitor, |
| No Tantalum Capacitor |
| - Heat Sink Not Required |
| - Minimum Size |
| - Remote ON/OFF Control |
| - Low Standby Current 100μA |
| (3A output type product) |
| - MTBF 1,000,000Hrs |
| - Operating Temp. Range |
| -10°C to +70°C |
| (Temp. derating required from 50°C） |
| - High Reliability, High Performance |
-Note!
This catalogue is an outline of the products.
When designing , be sure to refer to the data sheets.
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Models
BSI Series |
Input V
Vdc |
Output V
Vdc |
Output I
A |
Input Reg
%(typ) |
Load Reg
%(typ) |
Ripple/Noise
mVpp(typ) |
Efficiency
%(typ) |
| BSI-2.5S4R0A |
2.5-5.25 |
2.5
(1.5-2.5) |
0-4 |
0.2 |
0.2 |
40 |
90 |
| BSI-2.5S4R0FA |
| BSI-3.3S3R0 |
4.75-13.6 |
3.3
(1.8-3.3) |
0-3 |
0.5 |
1.5 |
50 |
91 |
| BSI-3.3S3R0F |
| BSI-5.0S3R0A |
6.0-16.5 |
5.0
(3.0-5.0) |
0.2 |
0.2 |
95 |
| BSI-5.0S3R0FA |
Note 1: The output voltage inside the ( ) indicates the adjustable range.
Note 2: External capacitors are required.
Note 3: Suffix "A" stands for verision. |
| < Outline > (SIP type) |
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| BSI-2.5S4R0A |
(t=9.8typ) |
| BSI-3.3S3R0 |
(t=10.3typ) |
| BSI-5.0S3R0A |
(t=8.8typ) |
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- External resinous coating
- Tolerance when nothing specified: ±0.5 |
Weight: 10g typ
Dimensions: mm |
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| < Outline > (DIP type) |
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| BSI-2.5S4R0FA |
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(h=11.3max) |
| BSI-3.3S3R0F |
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(h=11.3typ) |
| BSI-5.0S3R0FA |
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(h=9.3typ) |
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- External resinous coating
- Tolerance when nothing specified: ±0.5 |
Weight: 10g typ
Dimensions: mm |
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| < Standard Connection Circuit Diagram >
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- External Capacitors (SH, FA type OS-CON Recommended)
3.3V, 5V Output Product
C1=100uF20WVx2pcs or more
C2=220uF10WVx1pce or more
2.5V Output Product
C1=220uF10WVx2pcs or more
C2=330uF6.3WVx2pcs or more
- ON/OFF Control
ON/OFF control is controlled by opening and shortening between 5pin(ON/OFF)
and 3, 4pin (-Vin) pin.
- Adjustable Output Voltage
The output voltage is adjustable by connecting a resistor between
14pin (V.ADJ) and 17, 18pin(+Vout).When 14pin is open, the following rating
voltage is output.
BSI-2.5S = +2.5V±5%
BSI-3.3S = +3.3V±5%
BSI-5.0S = +5.0V±5%
- 0.6V or more Input/ Output voltage difference is required for output
current 4A type.
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*Pin part for this product is lead-free.
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