L6997STR - STMicroelectronics

Manufacturer Part Number

L6997STR

Manufacturer

stmicroelectronics

Introduction

The L6997STR is a high-performance, single-phase, synchronous step-down DC-DC switching controller that operates from a 3V to 5.5V input voltage range. It is designed to provide a regulated DC output voltage from an unregulated DC input source, making it suitable for a wide range of power supply applications.

Product Features and Performance

Single-phase, synchronous step-down DC-DC switching controller

Input voltage range: 3V to 5.5V

Integrated high-side and low-side MOSFET drivers

Selectable fixed-frequency or adjustable-frequency operation

Adjustable output voltage from 0.8V to 95% of input voltage

Internal compensation for fast transient response

Cycle-by-cycle current limit

Soft-start function

Power good signal

Thermal shutdown protection

Product Advantages

High efficiency up to 95%

Wide input voltage range

Small solution size with integrated MOSFET drivers

Adjustable switching frequency for optimal design

Comprehensive protection features for reliable operation

Key Reasons to Choose This Product

Highly efficient power conversion for extended battery life

Flexible configuration options to meet diverse application requirements

Compact design for space-constrained applications

Robust protection features ensure reliable and safe operation

Quality and Safety Features

Meets industrial temperature range of -40°C to 125°C

Overcurrent, overvoltage, and thermal protection features

RoHS-compliant and halogen-free package

Compatibility

The L6997STR is compatible with a wide range of power supply applications, including:

Portable electronics

Industrial equipment

Automotive systems

Telecommunications equipment

Application Areas

DC-DC power conversion

Point-of-load regulation

Distributed power systems

Battery-powered devices

Product Lifecycle

The L6997STR is an obsolete product and has been discontinued by the manufacturer. Customers are advised to contact our website's sales team for information on equivalent or alternative models that may be available.