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    15V DC 3.4A 50W Switching Power Supply

    $42.15
    High quality and low cost 50W switching power supply converts 110V/220V AC to 15V DC, with 3.4A rated current, cooling by free air convection, high performance SMPS widely used in lighting, household appliances, monitoring equipment and indstrial control.
    SKU: ATO-SMPS-50-15
    Free shipping
    Delivery date: 6-12 days

    Features

    • Universal AC input / Full range AC input
    • Short circuit, overload and overvoltage protections
    • Cooling by free air convection
    • LED indicator for power on
    • 100% full load burn-in test
    • High reliability, low price and wide range of applications

    SMPS Power Supply Applications

    • Power Tools
      Electric Saw, Drilling Machine, Ginder, Sand Blast Machine, Puching Machine, Weeding Machine, Air Compressor, etc.
    • Offices Devices
      Computer, Printer, LCD Monitor, Scanning Machine, etc.
    • Electrics & Household Appliance
      TV, VCRS, Radio, Dust Collector, Fan Lamp or LED Strip, Sewing Machine, Microwave Oven, Fridge/Freezr, Coffemarker, etc.
    • Industrial Equipemnt
      Monitoring Equipment, Shipping, Vehicle, Metalhalide Lamp, Solar System, Wind Power Generation, etc.

    15V DC 50W SMPS Specification

    Model ATO-S-50-15
    Output
    DC Voltage 15V
    Rated Current 3.4A
    Current Range 0 ~ 3.4A
    Rated Power 51W
    Ripple & Noise (Max.)(Note 2) 100mVp-p
    Voltage Adjust Range 13.5 ~ 16.5V
    Voltage Tolerance (Note 3) ±1.0%
    Line Regulation ±0.5%
    Load Regulation ±0.5%
    Setup, Rise, Holdup Time 200ms, 100ms, 30ms
    Input Voltage Range 85 ~ 132VAC/170V~260VAC (selected by a switch) or 240 ~ 370V DC
    Frequency Range 47~63Hz
    Efficiency (Typ.) 78%
    AC Current (Typ.) 1.3A/115V AC     0.65A/230V AC
    Inrush Current (Typ.) Cold start: 18A/115V AC     36A/230V AC
    Leakage Current <1mA/240V AC
    Protection Overload 105~150% rated output power
    Protection type: Hiccup mode, recovers automatically after fault condition is removed.
    Environment Working Temperature -10 ~ +60℃
    Working Humidity 20~90% RH non-condensing
    Storage Temperature -20~+85℃
    Storage Humidity 10~95% RH non-condensing
    Temperature Coefficient ±0.03%/℃ (0~50℃)
    Vibration 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes
    Safety & EMC (Note 4) Safety Standards UL1012 Approved
    Withstand Voltage I/P-O/P: 1.5KVAC     I/P-FG: 1.5KVAC   O/P-FG: 0.5KVAC
    Isolation Resistance I/P-O/P, I/P-FG, O/P-FG: 100M Ohms/500VDC/25℃/70% RH
    EMC Emission Compliance to FCC Part15 Jconduction Class B
    Others MTBF ≥408.3K hrs MIN. MIL-HDBK-217F (25℃)
    Dimension 159*97*38mm (L*W*H)
    Weight 0.51kg
    Note 1. All parameters NOT specially mentioned are measured at 230V AC input, rated load and 25°C of ambient temperature.
    2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.
    3. Tolerance includes set up tolerance, line regulation and load regulation.
    4. The switching power supply is considered a component which will be installed into final equipment. Please make sure that the final equipment still meets EMC directives.

    50W Switching Power Supply Dimension (Unit: mm)

    50W switch-mode power supply dimensionSMPS terminal pin number definitions

    Tips: Circuit structure of switching power supply (SMPS)

    Switching power supply (SMPS) is composed of main circuit, control circuit, detection circuit, and auxiliary power supply.

    1. Main circuit
      Amplitude limiter for surge current: limits input surge current when connected to power supply.
      Input filter: filters noise wave of power grid and prevent noise wave generated by the input filter from being fed back to the power grid.
      Rectification and smoothing: make AC rectified into smooth DC.
      Inversion: convert rectified DC into high-frequency AC, which is a core part of high-frequency switching power supply.
      Output rectification and smoothing: provide stable and reliable DC according to load demands.
    2. Control circuit
      Take a sample at output end to make a comparison with set value and regulate output current by changing pulse width or pulse frequency through inverter. Protect power supply according to data provided by test circuit and identified by protective circuit.
    3. Detection circuit
      Specify parameters and instrument data of the protective circuit.
    4. Auxiliary power supply
      Enable software (remote) startup of the power supply. Supply power to the protective and control circuits (PWM and other chips).
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