MP2109DQ-LF-Z - Monolithic Power Systems Inc.

Manufacturer Part Number

MP2109DQ-LF-Z

Manufacturer

Monolithic Power Systems

Introduction

Voltage regulator for precise power management applications

Product Features and Performance

Step-Down (Buck) Converter

Dual output for powering multiple devices

Adjustable output voltage

High efficiency due to synchronous rectification

High-frequency switching at 1.24MHz for small size filtering components

Thermal overload and short-circuit protection

Product Advantages

Compact 10-QFN (3x3) package for space-saving

Stable operation with ceramic capacitors

Low RDS(on) internal switches improve efficiency

Key Technical Parameters

Input Voltage range: 2.5V to 6V

Output Voltage range: 0.6V to 6V

Output Current: 800mA

Operating Temperature range: -40°C to 85°C

Switching Frequency: 1.24MHz

Quality and Safety Features

Over-temperature protection

Under-voltage lockout

Over-current protection

Built-in soft-start minimizes inrush current

Compatibility

Compatible with various microcontrollers and digital interfaces

Application Areas

Portable devices

Wireless communication equipment

Battery-powered equipment

Point-of-load conversions

Product Lifecycle

Not For New Designs

Potential for replacement or upgrades within Monolithic Power Systems portfolio

Several Key Reasons to Choose This Product

Highly efficient for extended battery life

Dual outputs offer design flexibility

Robust thermal and current protection increases device longevity

High switching frequency allows for smaller external components

Ease of integration in a wide range of electronic circuits