Switching Power Supply Controller

LYW1921L is a high performance PSR Switching Mode Power Supply Controller that can provide high precision constant voltage and constant current output performance, especially suitable for small power offline charger applications.\nAt the same time, LYW1921L also supports quasi-resonant step-down LED 1. Integration of 650V MOSFET\n\n2. Adjustable line loss compensation\n\n3. Support flyback and buck topological applications\n\n4. Constant current compensation of integrated line voltage and load voltage\n\n5. Perfect protection function:\n\n Short circuit;

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Low-Voltage, 400mA Step-Down DC-DC Converters in SOT23

General Description The MAX1920/MAX1921 step-down converters deliver over 400mA to outputs as low as 1.25V. These converters use a unique proprietary current-limited control scheme that achieves over 90 efficiency. These devices maintain extremely low quiescent supply current (50μA), and their hi

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PLASTIC ENCAPSULATED DEVICES

General Description The MAX1920/MAX1921 step-down converters deliver over 400mA to outputs as low as 1.25V. These converters use a unique proprietary current-limited control scheme that achieves over 90 efficiency. These devices maintain extremely low quiescent supply current (50μA), and their hi

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Maxim

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Low-Voltage, 400mA Step-Down DC-DC Converters in SOT23

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