LM25148RGYR - Texas Instruments

Manufacturer Part Number

LM25148RGYR

Manufacturer

Texas Instruments

Introduction

The LM25148RGYR is a highly integrated DC DC switching controller from Texas Instruments designed for efficient step-down voltage regulation with a synchronous rectifier and multiple control features.

Product Features and Performance

Integrated transistor driver for enhanced output control

Step-down (Buck) topology for efficient voltage conversion

Supports a single output phase with a positive output configuration

Wide input voltage range from 3.5V to 42V

Adjustable switching frequency from 100kHz to 2.2MHz

Max duty cycle of 100% for full-range operation

Synchronous rectification for improved efficiency

Clock synchronization capability to reduce noise

Incorporated current limit, power good indicator, ramp, and soft start features for stable operation

Operates over a temperature range of -40°C to 125°C

Product Advantages

High integration facilitates reduced external component count

Flexible power management with adjustable features

Enhanced thermal performance with exposed pad package

Robust power handling capabilities

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Voltage Supply (Vcc/Vdd): 3.5V to 42V

Frequency Switching: 100kHz to 2.2MHz

Duty Cycle (Max): 100%

Synchronous Rectifier: Yes

Clock Sync: Yes

Quality and Safety Features

Built-in safety features including over-current protection

Thermal management facilitated by 24-VFQFN Exposed Pad package

Wide operating temperature range ensuring reliability under varying environmental conditions

Compatibility

Compatible with a wide range of input voltages and adaptable to various power requirements

Application Areas

Ideal for power management in consumer electronics, telecommunications, and industrial applications

Product Lifecycle

Currently active product status with no reported discontinuation

Long-term availability and support anticipated

Several Key Reasons to Choose This Product

High efficiency and flexibility in voltage regulation

Comprehensive control features enhancing system stability and performance

Wide input voltage range suitable for various applications

Robust design suitable for challenging environments

Future-proof with active product support and long lifecycle