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F0303SY-2WR1
● High efficiency with low output ripple and noise
● Low no-load power consumption and low quiescent current
- Product Description
- Parameter Introduction
- Precautions
-
● 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 3000 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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Model number
Rated Input Voltage (V)
Rated output
Typical Efficiency (%)
Maximum capacitive load
(uF)
Nominal
Scope
Voltage (V)
Current (mA)
F0303SY-2WR1
3.3
3.0~3.6
3.3
606
74
2200
F0305SY-2WR1
5
400
82
2200
F0324SY-2WR1
24
83
86
1000
F0503SY-2WR1
5
4.5~5.5
3.3
606
81
3300
F0505SY-2WR1
5
400
84
3300
F0507SY-2WR1
7.2
278
85
3300
F0509SY-2WR1
9
222
87
2200
F0512SY-2WR1
12
167
87
1000
F0515SY-2WR1
15
133
87
1000
F0518SY-2WR1
18
111
86
1000
F0524SY-2WR1
24
83
87
820
F1205SY-2WR1
12
10.8~13.2
5
400
85
3300
F1207SY-2WR1
7.2
278
87
2200
F1209SY-2WR1
9
222
84
2200
F1212SY-2WR1
12
167
87
1000
F1215SY-2WR1
15
133
89
1000
F1224SY-2WR1
24
83
89
1000
F1505SY-2WR1
15
13.5~16.5
5
400
85
2200
F1512SY-2WR1
12
167
87
1000
F1515SY-2WR1
15
133
88
1000
F2403SY-2WR1
24
21.6~26.4
3.3
606
81
3300
F2405SY-2WR1
5
400
85
2200
F2409SY-2WR1
9
222
90
2200
F2412SY-2WR1
12
167
89
2200
F2415SY-2WR1
15
133
89
1000
F2418SY-2WR1
18
111
87
1000
F2424SY-2WR1
24
83
89
1000
Output characteristics
Project
Conditions
Minimum
Typical
Maximum
Unit
Output power
0.2
2
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.
F03XX/F05XX
≤25
mA
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
Minimum
Typical
Maximum
Unit
Insulation resistance
500VDC
1000
MΩ
Insulation voltage
Test time between input and output: 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
2.4
Kerl
Cooling method
Natural air cooling
Housing material
Flame-retardant, heat-resistant plastic (UL94-V0)
-
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 % ×2W);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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