85~305Vac Input AC/DC 3W 5V/9V/12V/15V/24V Step Down Mini Power Supply Converter Switch Power Module HLK-3LD05/3LD12/3LD24

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Product Features

Global universal input voltage(85-305Vac)
Input and output isolation voltage 3000VAC
Low power consumption, green enviroment protection, no-load loss＜0.1W
High efficiency, high power density
Long life design, continuous working time is greater then 100,000hours
High output-quality environmentally friendly waterproof thermal conductive glue potting, dustproof,moisture-proof, shockproof, flame-retardant
Meet UL/CE/EMC and safety testing requirenments
Can be used 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 coefficient	10~500Hz,2G10min./1cycle, 60min.each along X,Y,Z axes. Meets secondary road transportation requirements

Input Features( test at room temperature)

Rated input voltage	100-277Vac
Input vlotage range	85-305VAC/100-430VDC
The maximum input CURRENT	≤0.2A
Input frequency	47-63Hz
Input low start	≤200mS
Long-term reliablity	MTBF≥100000H
External fuse recommended	1A/250Vac or 10Ω wire wound resistance, Slow blow

Output Features 5V(5V/600mA)

No-load rated output voltage	5.0±0.1Vdc
Full-load rated output voltage	5.0±0.2Vdc
Short term maximum output current	≥700mA
Rated output current	600mA
Voltage regulation rate	±0.2%
Load regulation rate	±0.5%
Switching on/off overshoot amplitude	（Rated input voltage, output with 10% load) ≤5%VO
Ripple/Noise	≤300mV

Output Features 9V(9V/600mA)

No-load rated output voltage	9.0±0.1Vdc
Full-load rated output voltage	9.0±0.2Vdc
Short term maximum output current	≥430mA
Rated output current	330mA
Voltage regulation rate	±0.2%
Load regulation rate	±0.5%
Switching on/off overshoot amplitude	（Rated input voltage, output with 10% load) ≤5%VO
Ripple/Noise	≤300mV

Output Features 12V(12V/250mA)

No-load rated output voltage	12.0±0.1Vdc
Full-load rated output voltage	12.0±0.2Vdc
Short term maximum output current	≥350mA
Rated output current	250mA
Voltage regulation rate	±0.2%
Load regulation rate	±0.5%
Switching on/off overshoot amplitude	（Rated input voltage, output with 10% load) ≤5%VO
Ripple/Noise	≤300mV

Output Features 15V(15V/200mA)

No-load rated output voltage	15.0±0.1Vdc
Full-load rated output voltage	15.0±0.2Vdc
Short term maximum output current	≥300mA
Rated output current	200mA
Voltage regulation rate	±0.2%
Load regulation rate	±0.5%
Switching on/off overshoot amplitude	（Rated input voltage, output with 10% load) ≤5%VO
Ripple/Noise	≤300mV

Output Features 24V(24V/125mA)

No-load rated output voltage	24.0±0.1Vdc
Full-load rated output voltage	24.0±0.2Vdc
Short term maximum output current	≥220mA
Rated output current	125mA
Voltage regulation rate	±0.2%
Load regulation rate	±0.5%
Switching on/off overshoot amplitude	（Rated input voltage, output with 10% load) ≤5%VO
Ripple/Noise	≤300mV

Typical Application Circuit

EMC diagram

Parameter Recommendation

F1/Fuse:1A/250Vac or 10Ω wire wound resistor, slow fuse

MOV1/Varistor:10D561K(The cumulative surge is to protect the module from damage)

C1/Safety capacitance: 0.1uF/275VAC(Filtering/safety protection/EMC certification)

L1/Common-mode inductance:Sensible value 10-30mH(testing requirements 1KHZ/0.3V current:100-500mA). EMI filtering

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 1A insurance

The fire ration of PCB board is 94-V0

Safety standards comply with UL1012,EN60950,UL60950

Insulation voltage I/P-O/P＞2500Vac

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 level4 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℃