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Features l 9V to 100V input voltage range l 5A continuous output current l 96% Peak Efficiency l 600µA operating quiescent current l Peak Current mode control l 150 kHz Fixed Frequency l Internal compensation for ease of use l Up to 91% duty cycle l 0.8V voltage reference l 10µA shutdown current l 150ms Hiccup mode short circuit protection Function l Thermal shutdown Function l QFN-20 package Applications l Charger in vehicle l Battery Chargers l Power adapter Description The MST8A50QN is a high voltage, synchronous step-down controller operates over a wide range input voltage 9V to 100V. The MST8A50QN delivers 5A continuous load current with up to 96% efficiency. The MST8A50QN operates with fixed frequency peak current control with built-in compensation eliminates the need for external components. Cycle-by-cycle current limit in high-side MOSFET protects the converter in an overload condition. Hiccup mode protection is triggered if the over-current condition has persisted for longer than the present time. The MST8A50QN exhibits protection features that protect the load from faults like under- voltage,over-current and over-temperature. The MST8A50QN is available in an QFN-20. Device Information PART NUMBER | PACKAGE | BODY SIZE (NOM) | | | |
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创芯大讲堂
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发表于 2022-8-26 13:58:39
