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IF1205DY-1WR1
● High efficiency, with low output ripple and noise.
● Stable voltage output within the rated range
- Product Description
- Parameter Introduction
- Precautions
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● 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 and● Good thermal stability and excellent temperature characteristics.● Operating temperature range: -40°C to 85°C● Isolation voltage up to 3000 VDC● High reliability (MTTF ≥ 3.5 million hours)● International standard DIP 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)
IF0503DY-1WR1
5
4.75~5.25
3.3
303
72
3300
IF0505DY-1WR1
5
200
77
3300
IF0512DY-1WR1
12
83
82
1000
IF0515DY-1WR1
15
67
73
1000
IF0524DY-1WR1
24
42
72
1000
IF1203DY-1WR1
12
11.4–12.6
3.3
303
73
3300
IF1205DY-1WR1
5
200
80
3300
IF1212DY-1WR1
12
83
82
2200
IF1215DY-1WR1
15
67
73
1000
IF1224DY-1WR1
24
42
72
1000
IF1503DY-1WR1
15
14.25~15.75
3.3
303
75
3300
IF1505DY-1WR1
5
200
80
3300
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%.
±0.25
%
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.
IF05XX
≤12
mA
Other
≤8
Temperature drift coefficient
Under rated load
±0.03
%/°C
Ripple & Noise
Bandwidth: 20 MHz, using the parallel‑line method.
30
60
mVp-p
Switching frequency
Rated input voltage
100
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
Insulation 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: 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. 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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