Bellnix High Efficiency, Ultra Small Size, Non-Isolated Type POL DC-DC Converter
3A/4A BSI Series
RoHS
Compliance
Ultra High Efficiency (90-95%), Minimum Size Step-Down DC-DC Converter
Input: +5V, +12V
Input: +6V, +12V, +15V
Output: +3.3V (+1.8V to +3.3V)
Output: +5.0V (+3.0V to +5.0V)
15.24
21.5max
(Temp Derating required)
- High Reliability, High Performance
- RoHS Compliance
Bellnix
1
5
14
18
51max
Bellnix
1
5
14
18
0.64
2.25
pin Function
P2.54×4=10.16 P2.54×4=10.16
1
+Vin
2
+Vin
3
-Vin
Weight: 10g typ.
4
-Vin
Units: mm
5 on/off
14 V.ADJ
- Externally coated by resinous
- Note!
15 -Vout
This catalogue is an outline of the products. - Tolerances unless otherwise specified: ±0.5
16 -Vout
17 +Vout
When designing, be sure to refer to the
18 +Vout
22.86
FET1
18
2
C1
-Vin
17
3
PWM.OCP.CONT
ON/OFF CONT
4
16 C2
FET2
15
ON/OFF 5
ON = Open
OFF= Short
(0 to 0.5V)
2.54×4=10.16
Weight: 10g typ.
Units: mm
- Externally coated by resinous
- Tolerances unless otherwise specified: ±0.5
pin Function
1
+Vin
2
+Vin
3
-Vin
4
-Vin
5
on/off
14 V.ADJ
15 -Vout
16 -Vout
17 +Vout
18 +Vout
NC
19
36
NC
- External Capacitors (SH, FA type OS-CON Recommended)
3.3V, 5V Output Product
C1=100µF20WV×2pcs or more
C2=220µF10WV×1pcs or more
- ON/OFF Control
1
0.64
22.86
2.54×4=10.16
data sheets.
+Vin
21.5max
- Input Voltage Range 4.75V-16.5V
Models
Input V
Output V
Output I Line Reg Load Reg Ripple/Noise Efficiency
- Output Voltage Range 1.8V-5V
BSI Series
Vdc
Vdc
A
%(typ.)
%(typ.) mVpp(typ.) %(typ.)
- Latest Technology,Synchronous BSI-3.3S3R0A
3.3
4.75-13.6
0.2
0.3
91
Rectification Circuit
(1.8-3.3)
BSI-3.3S3R0FA
0-3
50
- Efficiency 90% to 95%
5.0
BSI-5.0S3R0A
6.0-16.5
0.2
0.2
95
- Adjustable Output Voltage
(3.0-5.0)
BSI-5.0S3R0FA
- Non-Isolated Type Converter
Note 1: The output voltage inside the ( ) indicates the adjustable range.
- Short Circuit, Over-Current
Note 2: External capacitors are required.
Protection
Note 3: Suffix "A" stands for version.
- No Electrolytic Capacitor used
No Tantalum Capacitor used
(SIP type)
(DIP type)
- Heat Sink Not Required
(h=9.3typ.)
BSI-3.3S3R0A (t=8.8typ.)
BSI-3.3S3R0FA
- Minimum Size
(h=9.3typ.)
BSI-5.0S3R0A (t=8.8typ.)
BSI-5.0S3R0FA
- Remote ON/OFF Control
- Low Standby Current 100μA
11.3max
C/L
(3A output type product)
36
19
10.8 max
- MTBF 1,000,000Hrs
51max
0.8 2.5typ
- Operating Temp Range
C/L
6.5typ
-10°C to +70°C
ON/OFF control is controlled by opening and shortening between
+Vout
5pin(ON/OFF) and 3, 4pin (-Vin).
Adjustable
Output Voltage
C3
Load The output voltage is adjusted by connecting a resistor between
14pin (V.ADJ) and 17, 18pin (+Vout).
When 14pin is open, the rated output voltage is as follows:
-Vout
14
V.adj
Open = 2.5V,3.3V,5V
BSI-3.3S = +3.3V±5%
BSI-5.0S = +5.0V±5%
- A voltage difference of 0.6V or more between the Input/ Output is
required for output current 4A type.
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- 国内价格
- 1+173.96079
- 5+149.35170
- 10+148.50311
- 国内价格 香港价格
- 1+251.117271+31.40410
- 10+228.6033110+28.58856
- 50+225.5392850+28.20538
- 100+216.34719100+27.05584
- 500+205.02360500+25.63974
- 1000+199.828071000+24.99000