Pengeluar Bekalan Kuasa

3W built-in bare board power supply

The QLA03A product is with easy installation and can be used on the mainboard with terminals directly.

  • Model:

    QLA03A
  • Voltan Masukan:

    85-264V AC or 110-370V DC.
  • Mod Kerja:

    AC-DC
  • Saiz:

    3.6*2.1*1.8cm
  • Power:

    3W
Penerangan produk

Product features:

1.The product is with easy installation and can be used on the mainboard with terminals directly.

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

3.The product has high efficiency with long use, high power density ,100% full load aging and high output voltage accuracy to 1%.

4.High isolation between input and output which adapt to Wide Environment Temperature – 25 – 70 degrees (CE Safety Standard with 40 degrees)

5.Types of protection: overcurrent protection, short circuit protection and temperature protection. Natural cooling has no noise and with long life.

6.Output built-in 105 degree with long life electrolytic capacitor.

7.The product meets to CE safety standard design, no load less than 0.1W, and with 75% Efficiency.

8.Ultra-low standby, six-level energy efficiency, ultra-thin design, three 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 )
QLA03A-0505QLA03A-0512QLA03A-0524

1 、Input Features

Working Voltage Range(VAC)85-264
Frequency Range(Hz)47-63
AC Input(VAC)85-264
DC Input(VDC)110-264
Input Current(mA)0.07/ 115VAC   0.03/230VAC
Surge current(A)Cold Boot:10A/230VAC
Efficiency(TYP .)68%70%70%
Stand-by power consumption(mW)≤ 100mW

2 、Output ciri-ciri

Output Voltage(VDC)Main Circuit 5VSubcircuit 5VMain Circuit5VSubcircuit 12VMain Circuit5VSubcircuit 24V
Output voltage accuracyDual-Channel ± 1%
Rated current(ADC)V01:0.4AV02:0.2AV01:0.24AV02:0. 15AV01:0. 12AV02:0. 1A
Rated power (W)3W3W3W
Ripple&Noise

(mvp-p)

Rated input

voltage , 20MHz

bandwidth

≤50mV≤ 100mV
Linear adjustment rateFull-load± 1%
Load regulation10- 100% Load±3%
Startup and rise timeFull-load2000ms, 30ms/ 115VAC    1000ms, 30ms/230VAC
Retention

time(ms)

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

protection

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

Rated input voltage

Automatic recovery after long-term short circuit
Over-current protection≥ 1.5 times Io
Start delay

time(ms)

 

 

Vin :230VAC

Power-off

protection time

(ms)

 

20ms

3 、General Features

Working      temperature(℃)/-25-70
Working humidity

(RH)

/20-90%, non-condensing
Temperature drift coefficient/±0.02%/℃
Storage temperature and humidity-40~+85℃ 10-95%RH
Switching frequency (KHz)5-65  (Frequency Conversion Control Chip)
Isolation voltage

(VAC)

Input-to-output,  test lasted 60s ,≤

5mA

 

3KV≤5mA  60S

Insulation     resistance(MΩ)Input-to-output,

500VDC

100
Leakage    current(mA)500VDCInput-to-output    ≤ 1mA/RMS
MTBF@25℃>250000H
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 25℃.

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.

EMC Circuit Recommendation

Application schematic diagram

Product selection and Notes:

1.Please refer to the specifications in detail for selection and use, otherwise the reliability of power supply will not be guaranteed.

2.All parameters of this specification are measured according to the internal standards of our company.

3.It is suggested that the load power of the power supply should not exceed 80% of the rated power of the power supply.

4.With multi-output power supply, each output circuit must be loaded and used at the same time according to the corresponding ratio.

5.Our company can provide customized products.

6.We reserve the right to change specifications without prior notice.

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