LM2743MTC - Texas Instruments

Manufacturer Part Number

LM2743MTC

Manufacturer

Texas Instruments

Introduction

The LM2743MTC is a high-performance step-down (buck) switching controller for power management applications.

Product Features and Performance

Step-down switching controller

Transistor Driver output type

Supports single output phase

Positive output configuration

Buck topology

Supports voltage supply from 3V to 6V

Adjustable switching frequency from 50kHz to 1MHz

Maximum duty cycle of 80%

Incorporates synchronous rectification

Provides features such as Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking

Operating temperature range from -40°C to 125°C

Surface Mount 14-TSSOP package

Product Advantages

High efficiency due to synchronous rectification

Flexible switching frequency for optimization

Extended operating temperature range suitable for harsh environments

Compact 14-TSSOP packaging suitable for space-constrained applications

Integrated features for enhanced control and protection

Key Technical Parameters

3V ~ 6V supply voltage

50kHz ~ 1MHz frequency range

80% max duty cycle

Synchronous rectifier enabled

Quality and Safety Features

Built-in current limit for overcurrent protection

Soft start to prevent inrush current at startup

Thermal shutdown for over-temperature protection

Compatibility

Compatible with a range of external components for tailored circuit designs

Supports various applications due to adjustable parameters

Application Areas

Power supply modules

Telecommunications

Consumer electronics

Industrial equipment

Portable devices

Product Lifecycle

Last Time Buy status indicates nearing end of life

Potential discontinuation with possible replacements or upgrades available from Texas Instruments

Several Key Reasons to Choose This Product

High integration reducing external component count

Flexibility in design with adjustable frequency

Suitable for various applications due to broad supply voltage range

Protection features improve system reliability

Texas Instruments' reputation for quality and support