|Category||Power Management => Power Supply Controllers|
|Description||Wide Input Voltage Range With Automatic Voltage Selection. 15w, 30w, 50w, 100w, 150w|
|Company||Allegro Micro Systems, Inc.|
|Datasheet||Download SWSWASeries datasheet
Wide input voltage range with automatic voltage selection.
The SWA series is made up of general-purpose, single-output power supply units for world-wide use. Input voltages from 264 V may be used with no manual voltage selection required. The series has five advanced-design models ranging from 150 W. The 100 W and 150 W models are equipped with Power Factor Correction circuits, and take into account the IEC 555 Part 2 regulations on harmonic currents.FEATURES
Wide input voltage range High power factor of 0.95 achieved using a Power Factor Correction W, 150 W) New Barrierless Transformer technology for reduced size MOSFET-based main switching circuit for high efficiency Designed to meet UL, CSA, and VDE safety standards The 100 W and 150 W models are equipped with Power Factor Correction circuits.
LED Indicator +S INPUT 2(N) FG Line filter Rectifier Filter PFC Inrush current limiter Switching Rectifier and filter S OutputPhoto Coppler Overcurrent Detector Photo Coppler
* No power correction 50 W models. +S and + are connected with a short bar, as are -S and
Item Conditions Rated Input Voltage Input Voltage Range Rated Frequency Range Input Current (see Note 1) Inrush Current (see Note 1, 2) Efficiency (typ) (see Note 1) Rated Output Voltage Adjustable Output Voltage Range Rated Output Current Adjustable Output Current Range Maximum Output Power Ripple (mVp-p) (see Note 1, 4) Static Input Range 264V AC Static Load Range to 100% Time Driftt to 8 hours Ambient Temperature Range to +50°C Output Holdup Time (see Note 1) Startup Time (see Note 1) Leakage Current (see Note 1) Switching Method, Transformer Frequency Over Current Protection Over Voltage Protection Remote Sensing Remote On/Off Control Display Temperature Operating Temperature Storage Temperature Relative Humidity Operating Humidity Storage Humidity Insulation Withstand Voltage Between Input and Output (see Note 5) Between Input and Frame Between Output and Frame Insulation Resistance Between Input and Output Between Input and Frame Between Output and Frame Vibration Resistance Cooling Requirements External Appearance Size (dimensions in mm) Weight Safety Standards
10ms (min) 20ms (typ) 0.5mA (max) RCC topology, approx. 70 kHz (under rated input/output conditions) Detection above 105% of rated current (output cutoff) Detection above 145% of rated voltage (output cutoff) Not provided Not provided LED operation indicator to 50°C (no cover) to 90% (no condensation) to 90% (no condensation) V AC for 1 minute, V AC for 1 second (Leakage current mA or less) V AC for 1 minute, V AC for 1 second (Leakage current mA or less) 100 M (measured with V DC Megger) to 55 Hz, G, 1 hour (in X, Y, and Z directions) Natural air cooling Open frame (with optional cover) x H) (without cover) 265 g (open frame) Designed to meet UL 1950 Designed to meet CSA C22.2 No. 234 Designed to meet EN 60950 Designed to meet VDE 0871 Class 240 V AC) Designed to meet FCC Class 120 V AC)
Note 1: Rated input/output conditions means that the switching power supply is operated under the rated input voltage, rated frequency, rated output voltage, rated output current, and at an ambient temperature of 25°C and 60% humidity. Note 2: At cold start. (More current may flow at restart.) Note 3: All output characteristics are measured at a point 5 cm from the output connector, with 47 µF electrolytic capacitor attached at that point. Note 4: Ripple noise is measured with a 100 MHz oscilloscope, using a 1:1 probe. Note 5: At room temperature and normal humidity.
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