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AC to DC Converter Dual Channel Step Down Power Supply Module AC 85V-265V to DC 5V/12V Board

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1>. Super small volume and low power consumption.
2>. International general wide communication input E: 85-264V AC or 110-370V DC.
3>. 100% loaded with aging.
4>. With flow protection, short circuit protection and temperature protection. When the load exception problem is lifted, it is normal.
5>. Double channel output isolation, the output voltage accuracy is high to 1%.
6>. The product conforms to the safety standard design.

Input Characteristic:

No. Input Value
1 AC input(VAC) 85-264
2 DC input(VDC) 110-370
3 Frequency range(Hz) 47-63
4 Input current(A) 0.07/115VAC  0.03/230VAC
5 Surge current(A) Cold start:10A/230VAC
6 Workpiece ratio(TYP.) 70
7 Stand-by consumption(mA) ≤100mW

Output Characteristic:

Input voltage(VDC) 5V/12V
Input voltage precision Dual way circuit:±1%
Rated current(ADC) V01:0.24V; V02:0.15V
Rated power (W) 3W
Ripple and noise(mvp-p> Rated input voltage, 20MHz band width  ≤50mV
Line Regulation Full load ±1%
Load Regulation 10-100% load ±3%
Start/up time Full load 2000ms, 30ms/115VAC
1000ms, 30ms/230VAC
Maintain (ms) Full load 16ms/115 VAC;
Overload protection Rated input voltage 115%-150% of rated output power
Protection mode: hiccup mode, the abnormal condition of abnormal load can be automatically returned.
Short-circuit protection Rated input voltage Long - term short circuit, self - recovery
Over-current protection >1.5 time Io
Start delay time(ms Vin:230 VAC 500ms
Power-off protection time(ms) 20ms

General Characteristic:

Working temperature(℃) / -25 to 75
Working humidity(RH) / 20 to 90%, non-condensing
Temperature drift coefficient / ±0.02%/℃
Storage temperature and humidity -40 to 85 Celsius 10-95%RH
Switching frequency(KHz) 5-65(Frequency conversion control chip)
Insulation voltage(VAC) Input to output
Test 60s, ≤5 mA
3KV≤5mA 60S
Insulation  resistance (M Ohm) Input to output500VDC 100
Leakage current(mA) 500VDC Input to output  ≤ImA/RMS Value
MTBF @25 Celsius >215000H
Safety class / Suitable for: CLASS B
Beam vibration / 10—500Hz 2G 10Minutes/cycle. X, Y, Z 60minutesrespectively
electromagnetic compatibility / Suitable for:EN55022(C1SPR22)Class B EN61000-3-2,-3
Remark 1. Except for special instructions, the parameters of this specification are measured at 230VAC, rated load and 25c ambient temperature.
2. Ripple and noise measurement method: use a 12 "twisted pair, and the terminal shall be connected in parallel with the capacitance of 0.1uf and 10uF, and shall be measured at 20MHz bandwidth.
3. Accuracy: including the rounding error, linear adjustment rate and load adjustment rate.
4. The power supply shall be regarded as part of the internal components of the system, which shall be confirmed by electromagnetic compatibility with the terminal equipment.
5. The output should be reduced under low input voltage.

Wiring Instruction:
1>. Typical circuit:


No. DLA03A-0512
Fuse( must connect) 1A/250V
NIC 5D-9
MOV1 14D561K
C1,C3 104/50V
C2,C4 220uF/35V
C4,C7 0.1uF

2>. Emergency solution--Recommended circuit:


Component No./ Recommended component Function Recommended value
FUSE Protect the circuit from damage when the power supply is abnormal. 1A/250V AC,Slow capacity(must connect)
NTC: thermistor Restrain surge current, protect module. 5D-8
MOV: varistor Protection module when lightning surges. 14D511K
C4:X2capacitance Suppression of differential mode interference. 0.22uF/275V AC
C5,C6:Y2 capacitance Inhibits common mode interference, improves the anti-jamming ability of the equipment and the reliability of the system. 1000pF/250V AC
LCM:H shape  inductance 4.7mH


Output voltage C2,C5 C3,C6 L1,L2 TVS TVS1
DLA03A-0512 330uF/25V 220uF/25V Inductance 8uF-15uF,
Copper wire diameter ≥0.45mm

Pin definition:



Tested by ICStation's Outstanding Partner 12voltvids:

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AC to DC Converter Dual Channel Step Down Power Supply Module AC 85V-265V to DC 5V/12V Board