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220V to 24V20W regulated isolation power supply module 20M24 ACDC AC to DC step-down switch module
AC/DC-20W power module selection table
MULTIPLE SPECIFICATIONS AVAILABLE
Wide-voltage 85-265VAC/120-350VDC 20W power module, voltage stabilized single output
MODEL | POWER | VOLTAGE | ELECTRICITY |
HLK-20M05 | 20W | 5V | 4000mA |
HLK-20M09 | 20W | 9V | 2222mA |
HLK-20M12 | 20W | 12V | 1667mA |
HLK-20M15 | 20W | 15V | 1333mA |
HLK-20M24 | 20W | 24V | 833mA |
*The appearance and pin size of the same series of products are consistent | |||
*Product size 57x33x22.5mm(error ±8%) |
Global universal input voltage 90~265VAC
Input and output isolation withstand voltage 3000VAC
Low power consumption, environmental protection, no-load loss < 0.1W
High efficiency, high power density
High reliability, long life design, continuous working time> 100,000 hours
Good output short circuit and over current protection and self-recovery
The country uses high-quality environmentally friendly waterproof and thermal conductive glue for potting, which is dust-proof, moisture-proof, shock-proof and flame-retardant
Meet UL/CE/EMC and safety testing requirements
Can be used in medical, industrial control, electric power, instrumentation, communication, railway and other fields
Input part
Fuse/fuse: protection circuit when the module is abnormal (recommended: 0.5A/250Vac slow blow)
Varistor/ Varistor: Protection module during cumulative surge (recommended: 10D561K)
C1/Safety capacitor: filter, safety protection (EMC certification) (recommended: 0.1uF/275Vac)
L1/Common mode inductor: EMI filtering (recommended: inductance 10-15mH, current 70-500mA)
*Fuse and varistor are basic protection circuits (required)
*If certification is required, safety capacitors and common mode inductors cannot be omitted
Output section
C2/filter capacitor
Filtering, after adding this capacitor, the output ripple can be controlled within 30mV.
[Recommended] Aluminum electrolytic capacitors, with a capacitance value of 100-220uF, and withstand voltage derating greater than 75%.
RL/load
load
*The C2 filter capacitor can reduce the output ripple from the original 50mV to within 30mV.
Product design meets UL/CE and safety certification requirements.
(UL/CE certification must be completed by the customer)
Safety and electromagnetic compatibility
The input end design adopts UL certification 1A insurance
The PCB board is made of double-sided copper clad laminate, and the fire rating of the material is 94-V0
Safety standards comply with UL1012, EN60950, UL60950
Insulation voltage I/P-O/P: 2500Vac
Insulation resistance I/P-O/P>100M Ohms/500Vdc 25℃ 70% RH
Conduction and radiation comply with EN55011, EN55022 (CISPR22)
Safety standards comply with UL1012, EN60950, UL60950
Electrostatic discharge IEC/EN 61000-4-2 level 4 8kV/15kV
Radio frequency radiation immunity IEC/EN 61000-4-3 See application note for details
Temperature rise safety design
The maximum temperature rise of the inner surface of the power supply capacitor, main converter, etc. does not exceed 90°C at room temperature; the maximum temperature rise of the shell surface does not exceed 60°C.
Size error:
1. Length, width, height and lead pitch error ±8%
2. Lead length error ±1mm
3. Lead diameter error -0.2mm
Environmental conditions | |||
Operating temperature | -25 ~ +60 | °C | |
storage temperature | -40~+85 | °C | |
Relative humidity | 5-95 | % | |
Cooling method | Natural cooling | ||
Atmospheric pressure | 80-106 | Kpa | |
Altitude | ≤2000 | m | |
vibration | Vibration coefficient 10~500Hz,2G10min./1cycle,60min.each along X,Y,Z axes | Meet the requirements of secondary road transportation | |
Electrical characteristics | |||
Rated input voltage | 100~240 | Vac | |
Input voltage range | 85~265 | Vac | Or 120~350Vdc |
Maximum input current | ≤0.4 | A | |
Input surge current | ≤34 | A | typical |
Input slow start | ≤50 | mS | |
Long-term reliability | MTBF≥100,000 | h | |
External fuse recommendation | 2A/250V | Slow blow | |
Output features | |||
Output load | Load percentage 100%MAX | ||
Voltage regulation rate | ±0.2 | % | Tpy |
Load Regulation | ±0.5 | % | Tpy |
Output ripple and noise | ≤150mVp-p (Ripple noise test: rated input voltage, output full load. Use a 20MHz bandwidth oscilloscope, load end and 10uF and 0.1uF capacitors for testing. ) | ||
Output overcurrent protection | 110-150% of output maximum load | A | |
Output short circuit protection | Sustainable, self-healing | Do not damage the whole machine |