LM5021MM-1 - Texas Instruments

Manufacturer Part Number

LM5021MM-1

Manufacturer

Texas Instruments

Introduction

The LM5021MM-1 is a versatile and efficient power management integrated circuit (PMIC) designed for AC DC converters and offline switches. It is part of Texas Instruments' extensive portfolio, focusing on power management solutions.

Product Features and Performance

Supports both Flyback and Forward converter topologies

Capable of operating at switching frequencies up to 1MHz

Designed for isolated output applications

Does not include internal switches, allowing for flexible design choices

Features a wide voltage supply range from 8V to 30V

Incorporates current limiting and overload fault protection

Implements frequency control and soft start for improved performance and reliability

Sync functionality for enhanced compatibility and efficiency

Product Advantages

High-efficiency operation reduces power loss and improves overall system performance

The flexibility of use in multiple topologies accommodates a broad range of application requirements

Advanced protection features ensure long-term reliability and safety under various fault conditions

High-frequency operation allows the use of smaller components, saving space and cost

Key Technical Parameters

Voltage Start Up: 20V

Voltage Supply (Vcc/Vdd): 8V ~ 30V

Duty Cycle: 80%

Frequency Switching: Up to 1MHz

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

Package / Case: 8-TSSOP, 8-MSOP

Quality and Safety Features

Current limiting and overload protection enhance safety and durability

Robust design ensures reliable operation within -40°C to 125°C temperature range

Compatibility

Sync functionality ensures compatibility with various applications and systems requiring synchronization

Adjustable frequency and soft-start features offer flexibility in design

Application Areas

AC/DC power supplies

Isolated converters

Forward and Flyback converters in telecom, industrial, and consumer electronics sectors

Product Lifecycle

The LM5021MM-1 is listed as obsolete, indicating that it is nearing discontinuation

When considering this product for new designs, it is important to look for available replacements or upgrades

Several Key Reasons to Choose This Product

High-level of integration and performance for AC DC converter applications

Versatility to support multiple converter topologies allows for design flexibility

Advanced protection and control features ensure safe and reliable operation

The capability to operate at high frequencies enables compact and cost-effective designs

Texas Instruments' reputation for quality and support provides assurance for product reliability and availability of technical assistance