1. Home
  2. Products
  3. AC DC Power Module
  4. AC DC 3W
  5. HLK-PM09 AC to DC 9v 3w Step Down mini Power Supply Module Converter Intelligent household switch power module
  • j

HLK-PM09 AC to DC 9v 3w Step Down mini Power Supply Module Converter Intelligent household switch power module

  • Visitor
  • Buycount:
  • Price


Manual link:

Product Features

Wide range input 85-264VAC/70-350VDC

Input and output isolation voltage 3000VAC

No-load power consumption ≤0.1W

Working temperature range:-25℃

Fully enclosed plastic housing, in keeping with UL94V-0 level

High output short circuit and over-current protection and self recovery glue potting, dustproof, moisture-proof, shockproof, flame-retardant

Meet UL/CE/EMC and safety testing requirements

Using high-quality enviromentally friendly waterproof thermal conductive

Can be suing in medical, industrial control, electric power, instrumentation, communication, railway and other fields

Environment Condition

Working Temerature   -25—+60 ℃

Storage temperature       -40—+80 ℃

Relative humidity     5—95 %

Thermal methods Natural cooling

Atmospheric pressure 80—106 Kpa

Altitude ≤2000 m

Vibration Vibration coefficient 10~500Hz,2G10min./1cycle, 60min.each along X,Y,Z axes Meets requirements for secondary road transportation

Input Features( test at room temperature)

Rated input voltage        100-240Vac

Input vlotage range         85-264VAC/70-350VDC

The maximum input voltage             270VAC

The maximum input CURRENT        ≤0.1A

Input inrush current                         ≤10A

Input low start                                 ≤50mS

Input voltage efficiency                   ≤69%/70%(110/220VAC)

External fuse recommended           1A/250Vac or 10Ω wire wound resistance, Slow blow

Output Features

Full-load rated output voltage          9.0±0.2%

Load regulation                                      ±0.5%

Switching on/off overshoot amplitude                5mS(115VAC/60mS,220VAC)

Output over-current protection Output maximum load             110-150% A

Ripple/Noise                   ≤70mVp-p(Typ:50)

Input Voltage & Load Characteristics


Working Environment Temperture & Load Characteristics


Typical Application Circuit


Safety Characteristics

Meet UL/CE requirements

(UL/CE certification requires customers to self-certify)

Safe compatible with battery

The input end design adopts UL certification 0.5A insurance

The fire ration of PCB board is 94-V0

Safety standards comply with UL1012,EN60950,UL60950

Insulation resistance I/P-O/P>100M 0hms/500Vdc 25℃ 70%RH

Conforms to radiation EN55011, EN55022(CISPR22)

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

Temperature rise safety design

Under normal conditons, the maximum temperature rise of the inner surface  of the power supply capacitor, 

main converter, etc. does not exceed 90℃,and the maximum temperature rise of the shell surface does not exceed 60℃

Dimension and Weight


© 2021 Shenzhen Hi-Link Electronic Co., Ltd. All Rights Reserved.