LM5157QRTERQ1 - Texas Instruments

Manufacturer Part Number

LM5157QRTERQ1

Manufacturer

Texas Instruments

Introduction

Automotive-grade DC/DC switching regulator for power management applications, capable of step-up, step-down operation.

Product Features and Performance

Versatile topology support: Boost, Flyback, SEPIC

Adjustable output voltage

Integrated synchronous rectifier for efficiency

High frequency switching capability: 100kHz to 2.2MHz

Wide input voltage range: 1.5V to 45V

Output up to 48V and capable of delivering switch current up to 6.5A

Supports automotive requirements with high-temperature operation up to 150°C

Product Advantages

Enables compact and efficient power supply designs

Flexible and suitable for a wide array of applications due to adjustable topology

High switching frequency allows use of smaller passive components

Key Technical Parameters

Number of Outputs: 1

Voltage Input (Min): 1.5V

Voltage Input (Max): 45V

Voltage Output (Min/Fixed): 1.5V

Voltage Output (Max): 48V

Current Output: 6.5A (Switch)

Frequency Switching: 100kHz ~ 2.2MHz

Operating Temperature Range: -40°C ~ 150°C

Quality and Safety Features

AEC-Q100 qualified for automotive applications

Robust thermal performance with exposed pad package

High-temperature operational reliability

Compatibility

Compatible with a wide range of input voltages and output requirements

Surface mount device for compatibility with modern PCB manufacturing techniques

Application Areas

Automotive power supplies

Power conditioning systems for sensors, microcontrollers, and other automotive components

Industrial and telecommunications power systems

Product Lifecycle

Currently active product

Continuous support and supply from Texas Instruments assured

Several Key Reasons to Choose This Product

Compliant with stringent automotive-grade reliability and quality standards

Flexible power solution adaptable to boost, flyback, or SEPIC designs

Texas Instruments' reputation for high-quality components and support

High-efficiency operation reduces thermal stress and increases system longevity

Ability to maintain performance over a wide range of input voltages and temperatures