LM5020MM-2 - Texas Instruments

Manufacturer Part Number

LM5020MM-2

Manufacturer

Texas Instruments

Introduction

The LM5020MM-2 is a Pulse Width Modulation (PWM) controller tailored for DC-DC switching applications, facilitating step-up or step-down voltage conversion in a compact package.

Product Features and Performance

Flyback topology

Transistor driver output type

Ability to perform step-up, step-down voltage conversions

Configured for single output with a single output phase

Supports clock synchronization

Product Advantages

Wide input voltage range from 8V to 15V

Flexible switching frequency from 200kHz to 630kHz

Up to 50% max duty cycle

Designed for high-temperature operation up to 125°C

Features frequency control and soft start for enhanced performance and reliability

Key Technical Parameters

Voltage - Supply (Vcc/Vdd): 8V ~ 15V

Frequency - Switching: 200kHz ~ 630kHz

Duty Cycle (Max): 50%

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Operates effectively over a wide temperature range suitable for harsh environments

Flyback topology provides inherent over-voltage protection

Soft start functionality limits inrush current at startup to protect internal components

Compatibility

Compatible for use in applications requiring voltage step-up or step-down with a compact PCB footprint

Application Areas

Power supplies requiring either a step-up or step-down voltage conversion

Industrial equipment

Automotive electronics

Telecommunications infrastructure

Product Lifecycle

The LM5020MM-2 model is marked as obsolete

Users should seek replacement models or consider stock availability for ongoing applications

LM5020 series may offer similar functionalities as alternative models

Several Key Reasons to Choose This Product

Obsolete status offers potential cost advantages in surplus markets

Wide operating temperature range enhances suitability for industrial and automotive use

Adjustable frequency with clock synchronization options provides versatility in application tuning

Flyback topology offers inherent design advantages for variable load conditions

Soft start feature minimizes initial stress on power supply components, increasing longevity