softstart, an open-drain PWRGD signal with power good blanking, and an enable input. Programmable current limiting shuts down the SC453 after 32 current limit pulses. SC.

Low Power Notebook and Laptop Computers Embedded Applications PowerStep IV™ and Smart Driver™ are trademarks of Semtech .

The SC453 IC is a single chip high-performance Hysteretic PWM controller. With its integrated SmartDriver™, it powers advanced graphics and core processors. It provides sleep mode and boot voltage support. Automatic "powersave" is present to prevent .

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