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B2415SY-1WR1
● High efficiency with low output ripple and noise
● Low no-load power consumption and low quiescent current
- Product Description
- Parameter Introduction
- Precautions
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● Small size, high power density● High efficiency with low output ripple and noise.● Low no-load power consumption and low quiescent current.● Long-duration short-circuit protection with auto-recovery● Good thermal stability and excellent temperature characteristics.● Operating temperature range: -40°C to +85°C● Isolation voltage up to 1500 VDC● High reliability (MTTF ≥ 3.5 million hours)● International-standard SIP package, saving PCB mounting space.● Environmentally friendly design, compliant with the RoHS Directive.● 100% Full-load aging
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Product Model List
Model number
Rated Input Voltage (V)
Rated output
Typical Efficiency (%)
Maximum capacitive load
(uF)
Nominal
Scope
Voltage (V)
Current (mA)
B0303SY-1WR13.3
3.0~3.6
3.3
303
81
2200
B0305SY-1WR15
200
80
2200
B0312SY-1WR112
83
80
1000
B0503SY-1WR1
5
4.5~5.5
3.3
303
78
2200
B0505SY-1WR1
5
200
85
2200
B0506SY-1WR1
6
167
85
2200
B0507SY-1WR1
7.2
138
83
2200
B0509SY-1WR1
9
111
84
1000
B0512SY-1WR1
12
83
84
1000
B0515SY-1WR1
15
67
80
1000
B0524SY-1WR1
24
42
83
680
B0909SY-1WR1
9
8.1~9.9
9
111
83
1000
B0924SY-1WR1
24
42
82
680
B1203SY-1WR1
12
10.8~13.2
3.3
303
80
2200
B1205SY-1WR1
5
200
84
2200
B1206SY-1WR1
6
167
84
2200
B1209SY-1WR1
9
111
85
2200
B1212SY-1WR1
12
83
84
1000
B1215SY-1WR1
15
67
87
2200
B1218SY-1WR1
18
56
86
1000
B1224SY-1WR1
24
42
86
680
B1505SY-1WR1
15
13.5~16.5
5
200
84
2200
B1512SY-1WR1
12
83
85
1000
B1515SY-1WR1
15
67
83
1000
B1524SY-1WR1
24
42
87
820
B2403SY-1WR1
24
21.6~26.4
3.3
303
80
3300
B2405SY-1WR1
5
200
82
3300
B2409SY-1WR1
9
111
85
1000
B2412SY-1WR1
12
83
83
1000
B2415SY-1WR1
15
83
83
820
B2418SY-1WR1
18
55
83
820
B2424SY-1WR1
24
42
86
680
Output characteristics
Project
Conditions
smallest
Typical
Maximum
Unit
Output power
0.1
1
W
Line regulation of voltage
Under rated load, the input voltage varies by ±1%.
±1.2
±1.5
%
Load Regulation Rate
Under nominal input conditions, the load varies from 10% to 100%.
10
15
Quiescent current
Under nominal input, with the output load at 0 Ω.
B03XX
≤30
mA
B05XX
≤25
B09XX
≤20
Other
≤10
Temperature drift coefficient
Under rated load
±0.03
%/°C
Ripple & Noise
Bandwidth: 20 MHz, using the parallel‑line method.
50
100
mVp-p
Switching frequency
Rated input voltage
250
KHz
Output short-circuit protection
Long-duration short-circuit protection
Input filter
Capacitor filtering
Hot-swappable
Not supported
Output voltage accuracy
See the error envelope plot.
Insulation properties
Project
Test conditions
smallest
Typical
Maximum
Unit
Insulation resistance
500VDC
1000
MΩ
Insulation voltage
Test duration: 1 minute; leakage current less than 1 mA.
1500
VDC
General Characteristics
Project
Conditions
smallest
Typical
Maximum
Unit
Storage humidity
5
95
%
Operating temperature
-40
85
°C
Storage temperature
-55
125
Shell temperature rise during operation
15
25
Pin soldering temperature resistance
Solder joint is 1.5 mm from the housing; apply for 10 seconds.
300
MTTF
MIL-HDBK-217F@25℃
350
Ten thousand hours
Weight
1.33
Kerl
Cooling method
Natural air cooling
Housing material
Flame-retardant, heat-resistant plastic (UL94-V0)
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Avoid operating under no-load conditions whenever possible: When the load power consumption is less than 10% of the module’s rated output power. % It is recommended to connect a dummy load at the output or to select a module with a lower rated power; the dummy load (resistor) can be set to 10% of the module’s rated power. % Calculate: resistance value R = U 2 /(10 % ×1W);Avoid excessively large output bypass capacitors: The external capacitor C2 at the output should not have an excessively large capacitance; otherwise, it may cause overcurrent during module startup or result in poor startup performance. The specific value should be selected based on the capacitor’s datasheet.This product series does not support hot-swapping on the input side or parallel operation on the output side.In applications with stringent ripple‑noise requirements, an external LC filter should be used. The resonant frequency of the LC filter must be significantly lower than the switching frequency of the DC/DC converter to prevent mutual interference that could increase output ripple or damage the module, as shown in the figure.
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