MP3908DK-LF-Z - Monolithic Power Systems Inc.

Manufacturer Part Number

MP3908DK-LF-Z

Manufacturer

Monolithic Power Systems

Introduction

MP3908DK-LF-Z is a power management integrated circuit designed for DC-DC switching control.

Product Features and Performance

Output Type: Transistor Driver

Function includes Step-Up and Step-Up/Step-Down capabilities

Output Configuration: Positive, capable of Isolation

Topologies supported: Boost, Flyback, Forward Converter, SEPIC

Number of Outputs: 1

Output Phases: 1

Voltage Supply: Range from 4.5V to 10V

Switching Frequency: 260kHz

Duty Cycle: Maximum of 81%

Synchronous Rectification for improved efficiency

Clock Synchronization feature

Control Features include Current Limit, Enable, Soft Start

Product Advantages

High integration to support various topologies

Flexible voltage supply range

High switching frequency enabling smaller passive components

Supports synchronous rectification for greater efficiency

Soft Start function to reduce inrush current

Key Technical Parameters

Voltage - Supply (Vcc/Vdd): 4.5V ~ 10V

Frequency - Switching: 260kHz

Duty Cycle (Max): 81%

Synchronous Rectifier: Yes

Clock Sync: Yes

Operating Temperature Range: -40°C ~ 85°C

Quality and Safety Features

Built-in Current Limit feature protects against overcurrent conditions

Supports a wide operating temperature range for reliability

Compatibility

Packaged in a standard 10-MSOP suitable for surface mount techniques

Application Areas

Power supply modules

Battery operated electronics

Industrial power systems

Telecommunication infrastructure

Product Lifecycle

Product Status: Active

No indication of discontinuation, and replacements or upgrades should be available as needed.

Key Reasons to Choose This Product

Versatility in supporting multiple topologies

Efficient power conversion with synchronous rectification and clock synchronization

Useful control features such as soft start to minimize inrush current

Durable and reliable operation across a wide temperature range

Integrated circuit reduces the need for multiple components, saving PCB space.