LH25-10B18 MORNSUN | Alldatasheet
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The copyright and authority for the interpretation of the products are reserved by MORNSUN Specifications subject to change without notice. LH25-10B18 A/0-2012 Page 1 of 2 LH25-10B18 25W, AC-DC CONVERTER LH---- is a compact size power converter offered by Mornsun for PCB mount installation applications. It features universal input voltage, taking both DC and AC input voltage, low power consumption, high efficiency, high reliability, safer isolation. It is used widely in industrial, office and civil applications. PRODUCT FEATURES 1. Universal Input :85 ~ 264VAC,50/60Hz 2. Low Ripple and Noise 3. AC and DC all in one (input from the same terminal) 4. Overload protection and short circuit protection 5. High efficiency, High power density 6. Low loss, green power 7. Multiple models available 8. industrial level specifications MODEL SELECTION LH25-10B18 PRODUCT PROGRAM Model Package Input Voltage (AC) Output (Vo/Io) Ripple and Noise (Typ) Efficiency (%)(Typ.) LH25-10B18 70×48×23.5mm 100~240V 18V/1.25A 50mV 80% INPUT SPECIFICATIONS Input voltage range 100～240VAC(85～264VAC) 140～340VDC(120～370VDC) Input current 0.6A (TYP) External input fuse 2A/250V OUTPUT SPECIFICATIONS Voltage set accuracy ±2% Input variation ±0.5% Load variation ±1% Ripple & noise(p-p) (20MHz Bandwidth) ≤100mV Short circuit protection Continuous, and auto resume Over current protection ≥110%Io Note : 1. Ripple and Noise were measured by the method of parallel lines; 2. Unless otherwise specified, all specifications above are measured at rated input voltage and rated output load, Ta=25 °C, humidity < 75%; COMMON SPECIFICATIONS Temperature ranges --- Operating : --- Power derating (above 50 °C) --- Storage: --- Case temperature: -25°C ~ +70°C 3.75%/°C -25°C ~ +105°C +90°C (max) Humidity (non condensing) 85% (max) Temperature coefficient 0.02%/°C Switching frequency 60KHz Efficiency 80%(typ) I/O-isolation voltage 3000VAC/1Min Case material UL94V-0 Install PCB MC compliance --- Electrostatic discharge ESD --- RF field susceptibility --- Electrical fast transients/bursts on mainsline --- Surge IEC/EN 61000-4-2 level 3 6KV/8KV IEC/EN 61000-4-3 IEC/EN 61000-4-4 level 3 2KV IEC/EN 61000-4-5 level 3 1KV / 2KV Safety standards IEC60950,EN60950,UL60950 Safety Class CLASS Ⅰ MTBF >300,000h @25°C
The copyright and authority for the interpretation of the products are reserved by MORNSUN Specifications subject to change without notice. LH25-10B18 A/0-2012 Page 2 of 2 PARALLEL LINES MEASURE Copper sheet Load Connect Oscillograph Probe Fuse AC-DC +Vo -Vo L C2C1 25.4mm 25.4mm TYPICAL APPLICATIONS EXTERNAL CAPACITORS TYPICAL VALUE C1 C2 FUSE 330μF/25V 0.1μF/50V (ceramic capacitor) 2A/250V C1 C2 3 +Vo -Vo TvS RL 100~240VAC N L Fuse Note: Output filtering capacitors C1 is electrolytic capacitors, It is recommended to use high frequency and low impedance electrolytic capacitors. For capacitance and current of capacitor please refer to manufacture ’s datasheet. Voltage derating of capacitor should be 80% or above. C2 is used to filter high frequency noise. TVS is recommended component to protect post-circuits (if converter fails). OUTLINE AND DIMENSIONS Note: Unit:mm[inch] Pin tolerances: ±0.10mm[±0.004inch] General tolerances: ±0.50mm[±0.020inch] diameter (Bottom View) (FrontView) Trim Note: grid 2.54*2.54mm. Ф1.50[0.059] 48.00 [1.890] 40.00 [1.574] 70.00 [2.756] 62.00 [2.440] 23.50 [0.925] 6.00 [0.236] 23.00 [0.906] Trim Ф1.00[0.039] AC(N) AC(L) -Vo +Vo No Pin No Pin No Pin Trim Trim FOOTPRINT DETAILS Pin Function PACKAGE DIAGRAM Inner packaging box dimensions: L*W*H=355*192*93mm Package quantity: 20pcs Outer package box dimensions: L*W*H=405*380*305mm Package quantity: 120pcs MORNSUN Science & Technology Co.,Ltd. Tel: 86-20-38601850 Fax:86-20-38601272 Http://www.mornsun-power.com LH25-10B18