Description
The SC4603 is a voltage mode step down (buck) regulator controller that provides accurate high efficiency power conversion from input supply range 2.25V to 5.5V.
Features
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BICMOS voltage mode PWM controller 2.25V to 5.5V Input voltage range Output voltages as low as 0.5V Sleep mode (Icc = 10µA typ) Lossless adjustable overcurrent protection Combination pulse by pulse & hiccup mode current limit High efficiency synchronous switching 0% to 100% Duty cycle range Synchronization to external clock Asynchronous start-up 1MHz frequency of operation 10-Pin MSOP surface mount package.
SC4603 Datasheet
