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MORNSUN Automotive Compact Size High Isolation Transformer -TSHT5.8-01

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  MORNSUN launched a totally new product - automotive compact size high isolation transformer TSHT5.8-01. This new TSHT5.8-01 transformer not only has a high isolation voltage 3000VDC, features compact size and cost effective, but also meets AEC-Q200 standard.   This new transformer can be used with MORNSUN fixed input push-pull controller IC SCM1201  to achieve a 5 VDC input, 5VDC output, 1W rated power isolated DC/DC converter which is usually used to power and isolate the data interface such as RS232, RS485, CAN bus.   Application: Widely used in pure digital circuit, analog acquisition circuit, data exchange circuit.  Typical circuit block diagram as below, Features: > Meets AEC-Q200 standard that required by passive components automotive quality certification > Compact SMD package > Isolation voltage: 3000VDC > Operating temperature range: -40℃ to +125℃   MORNSUN as one of the most professional dc dc converter suppliers , we ...
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Current-mode PWM Controller Integrated Circuit SCM1733ASA with 75mW Standby Consumption And 650V Power MOS

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  Introduction of   current mode pwm controller  SCM1733ASA   In order to achieve wider application range and lower price requirements, MORNSUN launched a new current-mode PWM controller SCM1733ASA applied to small and medium-power flyback   AC/DC converter    with ultra-low standby consumption of ＜ 75mW, a maximum output power of 20W, built-in high-voltage MOS and better price-performance. It features low starting current and working currently to achieve reliable start-up and achieving low consumptions.   When the AC/DC integrated circuit (IC) is fully loaded, the PWM switching frequency is fixed; after the load is reduced, the green mode is entered, and the switching frequency will step down; during no-load and light load, it will switch the intermittent mode to reduce consumptions. Multiple control modes also can provide soft-start control that reduces MOS stress and frequency jitter control to obtain good EMI. The frequency of intermittent mod...
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Isolation or Non-isolation: How to Choose the Right Power Supply?

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  An important point to consider when choosing a power module is whether to use an isolated or non-isolated power solution. Before proceeding with the discussion, let us first understand the concept of isolated power supply and the main characteristics of isolated and non-isolated power.   What is the isolated power supply?  The isolated power supply is defined conceptually as the conversion of the voltage through a transformer to realize the isolation between input and output.     Then, what are the isolation features? For example, safety isolation, common-mode noise isolation, ground loop elimination, or for occasions with floating ground requirements, are its key features.   In addition to isolation, voltage conversion is also one of the important characteristics of power supply, including AC to DC, DC to AC, conversion between high and low voltage, and so on. What is more, with some peripheral devices, it can also stabilize the voltage, so as to protect...
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