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  5. F1505S-2WR3/F1503S/F1512S/F1515S/F1524S-2WR3 DC to DC 15V to 3.3V/5V/9V/12V/15V/24V 2W power module/converter
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F1505S-2WR3/F1503S/F1512S/F1515S/F1524S-2WR3 DC to DC 15V to 3.3V/5V/9V/12V/15V/24V 2W power module/converter

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DC to DC power module:












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Product Feature

1. characteristic:Constant voltage input, isolated non stabilized voltage single output,2W 

2. Isolation voltage 3000VDC

3. Low no-load power consumption 0.025W(Typ.)

4. Transfer efficiency up to 90%

5. Output short-circuit protection: continuous short circuit protection, automatic recovery 

6. The voltage of the input power supply is relatively stable.(Voltage variation range±10%Vin) 

7. Operating temperature range :-40°C~+85°C 

8. Small SIP package 

9. International standard pin,direct installation of PCB board. 

10. High reliability and long life design,continuous working time MTBF≥3.5 million hours (3500000Hrs)

Enviroment Condition

Project nameQualificationUnitNotes
Working enviroment temperature-40—+85
Storage temperture-40—+125 ℃
Relative humidity5—95%
Heat dissipation modenatural cooling

Atmospheric pressure80—106 KpaKpa
Ripple & Noise30/80(max)Mvp-p

Input Characteristics

ItemWorking conditionsMin.Typ.Max.Unit
Input current (full load/no load)5VDC Input Series--454/5--/10m'A
9VDC Input Series--249/3--/5
12VDC Input Series--186/2--/5
15VDC Input Series--148/2--/4
24VDC Input Series--92/1--/2
Reflection ripple current
Impulse voltage3.3VDC Input Series-0.7--5VDC
5VDC Input Series-0.7--9
9VDC Input Series-0.7--15
12VDC Input Series-0.7--18
15VDC Input Series-0.7--21
24VDC Input Series-0.7--30
Input filter type
Capacitance filter type
Hot plugged

Output Characteristics

Project nameWorking and testing conditionMin.Typ.Max.Unit
Output loadload percentage10--100%
Output Voltage AccuracySee Error Envelope Curve----±15.0%
Linear adjustment rateInput voltage variation ±1%3.3V Input----±1.5%
Load adjustment rate10%~100% load3.3VDC Output--18--%
5VDC Output--12--%
9VDC Output--8--%
12VDC Output--7--%
15VDC Output--6--%
24VDC Output--5--%
Ripple & NoisePure resistive load, 20HMz bandwidth, peak-to-peak--3080mVp-p
Temperature Drift CoefficientFull load
Output short circuit protectionContinuous short circuit protection, automatic recovery

Notes: Ripple and Noise Test Methods Twisted Pair Test Method


1、The above is only a list of typical products. If you need products beyond the list, please contact our sales. 2、The maximum capacitive load indicates the maximum capacitive load that + VO or - vo can be connected to,If the value is exceeded, the product will not start normally..

Typical Application Circuits

1. Routine application:

If it is required to further reduce the input and output ripple, a capacitive filter network can be connected at the input and output terminals, and the application circuit is shown in Figure 1.

However, attention should be paid to the selection of appropriate filtering capacitors. If the capacitor is too large, it is likely to cause startup problems. For each output, the recommended capacitive load value is shown in Table 1 under the condition of safe and reliable operation.


2.EMI typical application circuit


Component No.FunctionRecommended value
 Cin CapacitanceFilter capacitor4.7μA/50V
Cout CapacitanceFilter capacitorRefer to usual application
Lin inductanceFilter inductanceInductance: 4.7uH
Lout inductanceCin CapacitanceInductance: 4.7uH

3. Output Load Requirements 

In order to ensure that the module can work efficiently and reliably, the minimum output load should not be less than 10% of the rated load.If the power you need is really small, please connect a resistor in parallel between the positive and negative poles of the output terminal (the sum of the actual power used by the resistor is greater than or equal to 10% of the rated power and the rated power of the selected resistor must be greater than 5 times of the actual power used, otherwise the temperature of the resistor will be higher)    

Product appearance size and pin definition, suggested printing layout


*Note: If the definition of each pin of the power module is inconsistent with the selection manual, the label on the  physical label shall prevail.

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