LM51551QDSSTQ1 - Texas Instruments

Manufacturer Part Number

LM51551QDSSTQ1

Manufacturer

Texas Instruments

Introduction

Automotive grade Power Management IC supporting DC DC Switching

Product Features and Performance

Step-Up, Step-Up/Step-Down Transistor Driver

Positive Output Configuration

Boost, Flyback, SEPIC Topology

Single Output with One Output Phase

Soft Start Control Feature

Clock Synchronization Capability

Supports 2.97V to 45V Supply Voltage

100kHz to 2.2MHz Switching Frequency

Up to 93% Duty Cycle

Thermal Shutdown

Overcurrent Protection

Product Advantages

High-Efficiency Power Conversion

Flexible Input Voltage Range

Adjustable Switching Frequency

Automotive Grade Reliability

Integrated Protection Features

Designed for Harsh Environments

Key Technical Parameters

Voltage Supply range 2.97V ~ 45V

Duty Cycle (Max) 93%

Switching Frequency 100kHz ~ 2.2MHz

Operating Temperature -40°C ~ 150°C

Qualification AEC-Q100

Grade Automotive

Quality and Safety Features

Over-Temperature Protection

AEC-Q100 Qualified for Automotive Applications

Under-Voltage Lockout

Compatibility

Compatible with a range of surface mount technologies

Suitable for 12-WFDFN Exposed Pad Mounting

Application Areas

Automotive Electronics

Industrial Power Supplies

Telecommunications Infrastructure

Product Lifecycle

Active Product Status

Long-term Availability and Support

Several Key Reasons to Choose This Product

Engineered for Rugged Automotive Environments

High Reliability with Integrated Safeguards

Flexibility in Power Supply Design

Support for High-Temperature Applications

Adaptive to a Wide Range of Input Voltages

Compact 12-WSON Package Suitable for Space-Constrained Applications