LM1771 Datasheet (National Semiconductor) - Low Voltage synchronous buck controller

LM1771, Low Voltage synchronous buck controller

The LM1771 is an efficient synchronous buck switching controller with a precision enable requiring no external compensation.

The constant on-time control scheme provides a simple design free of compensation components, allowing minimal component count and board space.

The precision enable pin allows

LM1771 Features

* n n n n n n n n n Input voltage range of 2.8V to 5.5V 0.8V reference voltage Precision enable No compensation required Constant frequency across input range Low quiescent current of 400 µA Internal soft-start Short circuit protection Tiny LLP-6 package and MSOP-8 package Applications n Simple To De