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IF1503SY-1WR1
● High efficiency, with low output ripple and noise.
● Stable voltage output within the rated range
- Product Description
- Parameter Introduction
- Precautions
-
● Small size, high power density
● High efficiency, with low output ripple and noise.
● Stable voltage output within the rated range
● Low no-load power consumption and low quiescent current.
● Long-duration short-circuit protection
● Good thermal stability and excellent temperature characteristics.
● Operating temperature range: -40℃~ 85℃
● Isolation voltage up to 3000 VDC
● High reliability ( MTTF ≥ 350 Ten thousand hours)
● International Standard SIP Packaging, cost-saving PCB Installation space
● Eco-friendly design, compliant with RoHS Instruction
● 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)
IF0303SY-1WR1
3.3
3:15–3:45
3.3
303
63
3300
IF0305SY-1WR1
5
200
65
2200
IF0503SY-1WR1
5
4.75~5.25
3.3
303
67
3300
IF0505SY-1WR1
5
200
76
2200
IF0512SY-1WR1
12
83
75
2200
IF0515SY-1WR1
15
67
73
1000
IF0524SY-1WR1
24
42
72
1000
IF1203SY-1WR1
12
11.4–12.6
3.3
303
71
2200
IF1205SY-1WR1
5
200
76
2200
IF1212SY-1WR1
12
83
78
1000
IF1215SY-1WR1
15
67
73
1000
IF1224SY-1WR1
24
42
72
1000
IF1503SY-1WR1
15
14.25~15.75
3.3
303
65
2200
IF1505SY-1WR1
5
200
76
2200
IF1512SY-1WR1
12
83
76
2200
IF1515SY-1WR1
15
67
73
1000
IF1524SY-1WR1
24
42
72
1000
IF2403SY-1WR1
2
22.8~25.2
3.3
303
70
2200
IF2405SY-1WR1
5
200
75
2200
IF2412SY-1WR1
12
83
78
1000
IF2415SY-1WR1
15
67
74
1000
IF2424SY-1WR1
24
42
75
1000
Output characteristics
Project
Conditions
Minimum
Typical
Maximum
Unit
Output power
0.1
1
W
Line regulation of voltage
Under rated load, the input voltage varies by ±1%.
±0.5
%
Load Regulation Rate
Under nominal input conditions, the load varies from 10% to 100%.
±2
Output voltage accuracy
100% load
±3
Quiescent current
Under the rated input, with the output load at 0 Ω.
IF03XX
≤12
mA
Other
≤8
Temperature drift coefficient
Under rated load
±0.03
%/°C
Temperature drift coefficient
Ripple & Noise
Bandwidth: 20 MHz, using the parallel‑line method.
30
60
mVp-p
Ripple & Noise
Switching frequency
Rated input voltage
280
KHz
Switching frequency
Output short-circuit protection
Long-duration short-circuit protection
Output short-circuit protection
Input filter
Capacitor filtering
Input filter
Hot-swappable
Not supported
Hot-swappable
Insulating properties
Project
Test conditions
Minimum
Typical
Maximum
Unit
Insulation resistance
500VDC
1000
MΩ
Insulation voltage
Test duration: 1 minute; leakage current less than 1 mA.
3000
VDC
General Characteristics
Project
Conditions
Minimum
Typical
Maximum
Unit
Storage humidity
5
95
%
Operating temperature
-40
85
°C
Storage temperature
-55
125
Case 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
2.1
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 the module’s rated output power of 10% , it is recommended to connect a dummy load at the output or to select one with a lower rated power. of the module, the dummy load (resistor) can be set to 10% of the module’s rated power. % Calculate the resistance value R = U 2 /(10 % ×1W );
Avoid excessively large output bypass capacitors: The external capacitor C2 at the output should not have too large a capacitance; otherwise, it may easily cause overcurrent during module startup or result in poor startup performance. Specifically, Selection should be based on the external capacitance meter.
This product series does not support hot-swapping on the input side or parallel operation on the output side.
For applications with stringent ripple noise requirements, an external LC filter should be connected. Filter circuit, LC The resonant frequency of the filter must be much lower than the DC/ D C The switching frequency of the module, prevention To prevent mutual interference that could increase output ripple or damage the module, as shown in the figure:
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