SC4609 buck equivalent, high efficiency synchronous buck.
Asynchronous start up Programmable switching frequency up to 1MHz BiCMOS voltage mode PWM controller 2.7V to 5.5V input voltage range Output voltage as low as 0.5V +/-1% .
where cost, size and efficiency are critical. The SC4609 is capable of producing an output voltage as low as 0.5V.
SC46.
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