LM2748MTCX - Texas Instruments

Manufacturer Part Number

LM2748MTCX

Manufacturer

Texas Instruments

Introduction

The LM2748MTCX is a monolithic, high-speed pulse-width-modulation (PWM) controller for a power-efficient DC to DC buck converter.

Product Features and Performance

High-frequency operation from 50kHz to 1MHz

Supports step-down (buck) topology

Transistor driver output type

Single output phase with maximum 86% duty cycle

Integrated synchronous rectifier for improved efficiency

Frequency synchronization capability

Current limit, enable, frequency control, power good, soft start, and tracking control features

Safely operates at a temperature range of -40°C to 125°C

Product Advantages

Highly efficient power conversion

Versatile frequency adjustment for diverse applications

Precision enabling and power monitoring for reliable operation

Thermal regulation for safety and performance

Key Technical Parameters

Voltage - Supply (Vcc/Vdd): 3V ~ 6V

Single output configuration

Output: Positive polarity

Topology: Buck Converter

Number of Outputs: 1

Duty Cycle (Max): 86%

Synchronous Rectifier: Yes

Clock Sync: Yes

Control Features: Include various modulation and safety features

Operating Temperature Range: -40°C ~ 125°C

Quality and Safety Features

Built-in current limit protection

Soft start function to prevent power surge

Thermal shutdown capability

Robust design with an extended operating temperature

Compatibility

14-TSSOP surface mount package

Compatible with a variety of power management applications

Application Areas

Various electronic devices requiring efficient power conversion

Portable and battery-powered equipment

Industrial and telecommunications systems

Product Lifecycle

Product Status: Obsolete

Potential for replacements or upgrades subject to Texas Instruments' current offerings

Several Key Reasons to Choose This Product

Wide input voltage range catering to different power sources

High-efficiency design to conserve battery life

Flexible control features enabling precise power management

Robust construction for harsh environmental conditions

Obsolete status may favor legacy systems in need of compatible components