Power Supplies Manufacturers

QFA15A series built-in bare board open frame power supply 15 Watts

The productis with easy installation. And pre-installed terminals (HB 611-6.35mm) are usedon the motherboard for direct connection.

  • Model:

    QFA15A
  • Input Voltage:

    85-264V AC or 110-370V DC.
  • Working Mode:

    AC-DC
  • Power:

    15W
  • High Isolation with Voltage:

    3000VAC
Products description

Product features:

1.Fixed mounting holes are arranged at the four corners to prevent the product from power

failure due to movement/vibration. The straight length of the fixed holes is 3.2mm.

2.Iternational Universal input voltage: 85-264V AC or 110-370V DC.

3.High efficiency, high power density and Low output ripple noise

4.High isolation between input and ouput

5.Overcurrent protection, short circuit protection and temperature protection.

6.The output is built-in LC-pi filter without external filter circuit.

7.  3 years of quality assurance

Item 

Condition

Common models of this series we have (we can customize any products with different output voltage and current

or other requirements according to customer’s requirements)

QFA15A-05QFA15A-09QFA15A- 12QFA15A- 15QFA15A-24QFA15A-36
1 、Input Features
AC Input(VAC)85-264
DC Input(VDC)110-370
Frequency Range (Hz)47-63
Input Current(A)1A/ 115VAC   0.5A/230VAC
Surge current(A)Cold Boot:10A/230VAC
Efficiency(TYP.)80%83%85%86%86%85%
Stand-by power consumptio(mW)≤500mW
2 、Output Features
Output Voltage(VDC)5V9V12V15V24V36V
Output voltage accuracy± 1%
Rated current(ADC)3A1.6A1.2A1A0.63A0.42A
Rated power(W)15W15W15W15W15W15W
Ripple&Noise(mv

p-p)

Rated input

voltage, 20MHz

bandwidth

≤50mV
Linear adjustment rateFull-load± 1%
Load regulation10- 100% Load±3%
Start up and rise timeFull-load300ms, 30ms/ 115VAC    200ms, 30ms/230VAC
Retention

time(ms)

Full-load16ms/ 115VAC  50ms/230VAC
Overload

protection

Rated input voltage115%- 150% of the rated output power
Protection mode: hiccup mode, auto-response after removal of abnormal load
Short-circuit protection 

Rated input voltage

Automatic recovery after long-term short circuit
Over-current protection≥ 1. 1 Times Io
Start delay

time(ms)

 

 

Vin :230VAC

200ms
Power-off

protection

time(ms)

 

20ms

3 、General Features
Working      temperature(C)/– 100
Working     humidity(RH)/20-90%, non-condensing
temperature coefficient/±0.02%/C
Storage temperature and humidity-40~+85C 10-95%RH
Switching frequency(KHz)20 – 65
Isolation     voltage(VAC)Input-to-output,  test lasted 60s ,≤

5mA

 

3000

Insulation     resistance(MΩ)Input to output,

500VDC

100
Leakage    current(mA)500VDCInput to output     ≤5mA/RMS
MTBF@25C>215000h
Safety level/Adaptation:CLASS B
Vibration

resistance

/10—500Hz 2G 10 minutes/cycle. 60 minutes each for X, Y and Z.
Electro-magnetic compatibility/Adaptation:EN55022(CISPR22) Class B  EN61000-3-2,-3
 

 

Remarks

1. Except for special instructions, the parameters of this specification are measured at 230VAC input, rated load and 25C.

2. Measurement of ripple and noise: Using a  12” twisted pair, and the terminal has two capacitors, 0. 1uF and 10uF in parallel. Measured at 20MHz bandwidth.

3.Accuracy: Including errors, linear adjustment rate and load adjustment rate.

4. The power supply should be regarded as part of the components in the system, and electro-magnetic compatibility related confirmation should be carried out with the terminal equipment.

5. Reduced output is required under low input voltage. Please refer to the reduction graph.

 

Product Packaging and Pin Definition Diagram

Product selection and Notes:

  • Please refer to the specifications in detail for selection and use, otherwise the reliability of power supply will not be guaranteed.
  • All parameters of this specification are measured  according to the internal standards of our company.
  • It is suggested that the load power of the power supply should not exceed 80% of the rated power of the power  supply.
  • With multi-output power supply, each output circuit must be loaded and used at the same time according to the corresponding ratio.
  • Our company can provide customized products.
  • We reserve the right to change specifications without prior notice.
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