LM1771 Datasheet (Texas Instruments) - Low-Voltage Synchronous Buck Controller

LM1771, Low-Voltage Synchronous Buck Controller

The LM1771 device 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

LM1771 Features

* 1 Input Voltage Range of 2.8 V to 5.5 V

* 0.8-V Reference Voltage

* Precision Enable

* No Compensation Required

* Constant Frequency Across Input Range

* Low Quiescent Current of 400 µA

* Internal Soft-Start

* Short Circuit Protection