LM51561DSSR - Texas Instruments

Manufacturer Part Number

LM51561DSSR

Manufacturer

Texas Instruments

Introduction

This device is a DC DC switching controller designed for power management applications, housed in a 12-WFDFN exposed pad package.

Product Features and Performance

Step-Up, Step-Up/Step-Down functions

Positive output configuration

Supports Boost, Flyback, and SEPIC topologies

Single output with one output phase

Operates over a supply voltage range of 2.97V to 60V

Adjustable switching frequency from 100kHz to 2.2MHz

Maximum duty cycle of 93%

Features include Current Limit, Enable, Frequency Control, Power Good, Soft Start

Product Advantages

Versatile voltage range suitable for various applications

High flexibility in frequency adjustment for optimizing performance

Integrated control features enhance performance and safety

Key Technical Parameters

Output Type: Transistor Driver

Voltage Supply (Vcc/Vdd): 2.97V ~ 60V

Frequency Switching: 100kHz ~ 2.2MHz

Duty Cycle (Max): 93%

Quality and Safety Features

Operating temperature range from -40°C to 125°C ensures reliability under extreme conditions

Current Limit and Soft Start features protect against current surges and voltage spikes

Compatibility

Surface Mount mounting type allows integration into various circuit designs

Application Areas

Suitable for powering a range of industrial and consumer devices that require voltage step-up or step-down functionality

Product Lifecycle

Currently active product status

It is important to monitor the product lifecycle for future discontinuation notices or replacement options

Several Key Reasons to Choose This Product

Wide input voltage range supports a variety of power sources and needs

High maximum duty cycle allows for efficient operation at lower frequencies

Comprehensive control features facilitate enhanced performance tuning and safety

Operating temperature range allows for use in harsh environments ensuring durability and performance stability