Description
The SC4607 is a voltage mode step down (buck) regulator controller that provides accurate high efficiency power conversion from an input supply range of 2.25V to 5.5V.
Features
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Asynchronous start up BiCMOS voltage mode PWM controller Operation of frequency to 1MHz 2.25V to 5.5V input voltage range Output voltages as low as 0.5V +/-1% reference accuracy Sleep mode (Icc = 10µA typ) Adjustable lossless short circuit current limiting Combination pulse by pulse & hiccup mode current limit High efficiency synchronous switching Up to 97% duty cycle 1A peak current driver 10-pin MSOP package
The SC4607 drives external, N-channel MOSFETs with a peak g.
SC4607_SemtechCorporation.pdf
