High Efficiency, Ultra Small Size, Non-Isolated Type POL DC-DC Converter
Succeeded in low price!
RoHS
1.2A BSI24-mini Series
Compliance
High Efficiency (87%), TO-3PL Size Step-Down DC-DC Converter
Input: +8V to +36V Output: +3.3V or +5V
Input V
Output V
Output I
Line Reg
Vdc
Vdc
A
%(typ.)
%(typ.)
mVpp(typ.)
%(typ.)
8-36
3.3/5
0-1.2
2.0/ 2.5
0.4
40
83/ 87
BSI24-3/5S1R2F
Note 1: For DIP type add a suffix "F".
Note 2: External capacitors are required.
BSI24-3/5S1R2 SIP type
t 0.8
4.5typ.
2.5typ.
2.54
2.54
6
15.24
0.5
22.25±0.6
DC-DC CONVERTER
BSI24-3/5S1R2
b
1
3.5±1.5
09
5
1
24 max.
21.5(+1/-0.5)
DC-DC CONVERTER
9
1
09
5
2.54×4=10.16
25.4(+0.8/-0.5)
0.25
2.54×4=10.16
- RoHS Compliance
0.5
pin
Function
8.5max.
3.5±1.5
(Temp Derating Required)
8.3max. BSI24-3/5S1R2F DIP type
25.4(+0.8/-0.5)
1
- Operating Temp Range
-10°C to +70°C
Load Reg Ripple/Noise Efficiency
BSI24-3/5S1R2
BSI24-3/5S1R2
Bellnix
BIC1421
Models
BSI24-mini Series
b
- High Efficiency 87%
- Latest Technology, Synchronous
Rectification Circuit
- TO-3PL Wide Package
- Output Voltage Select 3.3V/5V
- Heat Sink Not Required
- Input Voltage Range 8V-36V
- Simple Structure and High
Reliability
- MTBF 1,000,000Hrs
- Thin Type, Ultra Small Type
- Remote ON/ OFF Control
- Over-Current Protection
- Non-Isolated Type
- Switchable Output Voltage
- High Reliability, High Performance
- New Development MCM Power-IC
pin
1
Function
ON/OFF
1
Weight: 4g typ.
ON/OFF
2
+Vin
2
+Vin
3
GND
3
GND
Weight: 4.2g typ.
4
Units: mm
4
+Vout
Units: mm
5
+Vout .Select
External: non-coated.
5
+Vout .Select
External: non-coated.
6-9
NC
Easy Usage
C1
ON/OFF
- Note!
This catalogue is an outline of the products.
1
BSI24-3/5S1R2
- Output Voltage Select
5pin Open: Output=3.3V
5pin-3pin Short: Output=5.0V
Bellnix
+Vin
+Vout
- ON/OFF Control
1pin-3pin Short: Output=ON
1pin-3pin Open: Output=OFF
+Vout
5
C2
GND
3.3/5V
Load
- Recommended Capacitors
C1=120µF, 50WV ZL Series （Rubycon）
C2=220µF, 10WV SH type OS-CON （Sanyo)
+Vout Select
When the wiring to the load is long, the noise lowers
further by adding a 2.2µF-4.7µF to the load pin.
When designing, be sure to refer to the
data sheets.
DC-DC CONVERTERS
BDD2008.12A
