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220V To 5V/3.3V/9/12V/24V Ac Dc Mini Power Supply Module Step Down Buck Module Ac To Dc Hlk-5M03 Hlk-5M05 Hlk-5M09 Hlk-

220V To 5V/3.3V/9/12V/24V Ac Dc Mini Power Supply Module Step Down Buck Module Ac To Dc Hlk-5M03 Hlk-5M05 Hlk-5M09 Hlk-

product reviews 

1.  Product features:                          

1. Meet UL, CE requirements,                                         

2. Ultra-thin, ultra-small

3. All voltage input (AC: 90 ~ 240V)                                  

4. Low ripple and low noise

5. Output overload and short circuit protection

6. High efficiency, high power density

7. The product is designed to meet the requirements of EMC and Safety Test

8. Low power consumption, environmental protection, no-load loss <0.1W

9.100% load aging and testing

10.1 year warranty perio


2. Environment Condition

Item Name

Technical Criteria


Operation Temperature



Store Temperature



Relative humidity



Cooling way

Cooling by radiation


Atmospheric pressure



Sea level elevation




Vibration coefficient 10~500Hz,2G10min./1cycle, 60min.each along X,Y,Z axes



3.Electrical Characteristic

1. Input characteristics (test at room temperature 20 C).


Item Name

Technical Criteria


Rated input voltage



Input voltage range



Maximum input current



Input current surge



maximum input voltage



Enter slow start



Input Low Voltage Efficiency

Vin=110VAc,Output full-load≥69


Input High Voltage Efficiency

Vin=220VAc,output full-load≥70


Long-term reliability



Load rated output voltage



Full rated output voltage



Short-term maximum output current



The maximum output current for a long time



Voltage Regulation



Load Regulation



Output ripple and noise



Rated input voltage, full load. Using 20MHz of bandwidth,

The load side 10uF and 0.1uF capacitor to be tested.


Switch overshoot amplitude

(Rated input voltage and output load plus 10%)≤5


Output over-current protection

150-200% of the output maximum load


Output short circuit protection

Direct short circuit at the normal output, automatically resume normal operation after a short circuit removal




4.Safety Characteristics:

4.1 Products designed to meet UL, CE safety certification requirements.

 4.2 Safety and electromagnetic compatibility

Designed with the input of 0.5A UL certified insurance;

PCB board using double-sided copper clad plate production, material for the 94-V0 fire rating level;

Safety standards: Compliance with UL1012, EN60950, UL60950

Insulation voltage: I / P-O / P: 2500VAC

Insulation resistance :I / PO / P> 100M Ohms / 500VDC 25 C  70% RH

Conduction and radiation :comply with EN55011, EN55022 (CISPR22)

Electrostatic discharge :IEC / EN 61000-4-2 level 4 8kV / 15kV

RF radiation Immunity: IEC / EN 61000-4-3 See Application Note

4.3 Temperature safety design

At room temperature,the capacitors of this power , the inner surface of the main converter maximum temperature does not exceed 90 C;

Shell maximum surface temperature does not exceed 60 C

5.Logo, packaging, transportation, storage

5.1 Logo

5.1.1 Product logo

In place of products labeled with signs, its content in line with national standards, industry standards.

5.1.2 Packaging logo

      Products marked with the manufacturer's name, address, zip code, product type, manufactured year, month, day on the box ;

Marked "up", "moisture" "Handle with care" and other transportation signs, all signs are in line with the provisions of GB 191.

5.2 Packaging

Products are separated using special plastic box packaging, with anti-vibration function, and in accordance with the provisions of GB 3873.

5.3 Transport

 packaged products can be shipped by any transportation service, there should be awnings in transport and no excessive vibration, impact, etc.

5.4 Storage

Products should be stored in compliance with GB 3873


220V To 5V/3.3V/9/12V/24V Ac Dc Mini Power Supply Module Step Down Buck Module Ac To Dc Hlk-5M03 Hlk-5M05 Hlk-5M09 Hlk-

Shipping info

Shipments will deliver in 10 to 20 business days.

Learn more about our shipping rates here and our returns, refunds, and exchanges policy here.
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