MP3389EF-LF-Z (In Stock:2434)

MP3389EF-LF-Z Product Overview

The MP3389EF-LF-Z is a high-performance DC-DC controller from Monolithic Power Systems Inc. Featuring a step-up (boost) topology, this controller provides 12 independent outputs, each delivering up to 60mA. It supports a wide input voltage range from 5V to 28V and offers PWM dimming control, making it ideal for backlight applications. Packaged in a 28-TSSOP exposed pad surface mount package, it operates reliably in temperatures ranging from -40°C to 125°C. The device does not include internal switches, enabling flexible external power stage designs.

✅ Datasheet

Download MP3389EF-LF-Z Datasheet (PDF)

✅ Features

• Step-Up (Boost) DC-DC Controller
• 12 Independent Output Channels
• Output Current per Channel: 60mA
• Wide Supply Voltage Range: 5V to 28V
• PWM Dimming Support
• No Internal Switches for Flexible Power Stage Design
• Surface Mount 28-TSSOP Package with Exposed Pad
• Operating Temperature Range: -40°C to 125°C

✅ Specifications

✅ Applications

The MP3389EF-LF-Z is widely used in backlight systems such as LCD TV displays, automotive dashboards, monitors, and portable electronics where multiple LED channels require precise current control and PWM dimming functionality.

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✅ FAQ

Q: What is the maximum input voltage supported by the MP3389EF-LF-Z?

A: The controller supports a maximum supply voltage of 28V.

Q: How many output channels does the MP3389EF-LF-Z have?

A: It provides 12 independent output channels.

Q: Does this device include internal power switches?

A: No, it does not include internal switches, allowing for flexible external power stage design.

Q: What is the operating temperature range?

A: The device operates between -40°C and 125°C (junction temperature).

✅ Summary

The MP3389EF-LF-Z from Monolithic Power Systems Inc. is a versatile and robust DC-DC controller optimized for backlight LED driver applications. Its multiple outputs, PWM dimming support, wide voltage range, and rugged temperature rating make it an excellent choice for demanding electronic displays and lighting systems. Available through Onzuu and other authorized distributors, it combines performance with reliability and ease of integration.