Datasheet4U Logo Datasheet4U.com

LM1771 - Low-Voltage Synchronous Buck Controller

General Description

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 allows flexibility in sequencing multiple rails and setting UVLO.

Overview

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM1771 SNVS446D – JUNE 2006 – REVISED JANUARY 2016 LM1771 Low-Voltage Synchronous Buck Controller With Precision Enable and No.

Key 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.
  • 6-Pin WSON Package and 8-Pin VSSOP Package 2.