SC4607 Datasheet - Semtech Corporation

SC4607 High Efficiency Synchronous Buck

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. The SC4607 is capable of producing an output voltage as low as 0.5V and has a maximum duty cycle of 97%. A high level of integration.

SC4607 Features

* 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

SC4607_SemtechCorporation.pdf