LM3478MM - Texas Instruments

Manufacturer Part Number

LM3478MM

Manufacturer

Texas Instruments

Introduction

The LM3478MM is a versatile DC-DC controller intended for power management, specifically designed to support step-up, step-down, and SEPIC power applications. Its flexibility makes it suitable for a wide range of voltage and power requirements.

Product Features and Performance

Supports a wide input voltage range from 2.97V to 40V, accommodating various power sources.

Capable of operating at frequencies from 100kHz to 1MHz, allowing optimization for efficiency or component size.

Offers a maximum of 100% duty cycle for continuous conduction mode.

Incorporates features like Enable and Frequency Control for enhanced power management.

Designed for Boost, Flyback, and SEPIC topologies.

Single output phase design simplifies circuit architecture.

Operates across a wide temperature range from -40°C to 125°C, supporting environments with extreme conditions.

Product Advantages

Highly adaptable to different power configurations, helping in the design of efficient power supply schemes.

Extended input voltage range ensures compatibility with a broad spectrum of power sources.

High-frequency operation capability enables the use of smaller passive components, reducing overall design size.

The ability to function in extreme temperatures enhances reliability in challenging environments.

Last Time Buy status indicates an opportunity to purchase before discontinuation.

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 2.97V ~ 40V

Frequency Switching: 100kHz ~ 1MHz

Duty Cycle (Max): 100%

Topology: Boost, Flyback, SEPIC

Number of Outputs: 1

Output Phases: 1

Quality and Safety Features

Operates reliably within a wide temperature range, ensuring consistent performance under varying environmental conditions.

Designed with industry standards in mind, reflecting Texas Instruments' commitment to quality and safety.

Compatibility

The LM3478MM's versatile topologies and wide voltage range make it compatible with various power applications, from small gadgets to larger electronic devices requiring efficient power conversion.

Application Areas

Power management for portable devices

Industrial power supplies

Automotive electronics

Renewable energy systems

Telecommunications equipment

Product Lifecycle

Currently listed as Last Time Buy, indicating it is nearing the end of its production life. This status suggests evaluating the need for future purchases or exploring replacements and upgrades.

Several Key Reasons to Choose This Product

The flexibility in voltage and topology supports a wide range of application designs.

High-frequency operation allows for smaller, more compact designs.

Operability in extreme temperature conditions enhances product reliability.

Last Time Buy status provides a clear signal for stock management and future planning.

Backed by Texas Instruments' reputation for quality and performance in power management technologies.