MP2309DS-LF-Z

Product Overview

Category: Voltage Regulator
Use: Power Management
Characteristics: High Efficiency, Low Dropout Voltage
Package: SOP-8
Essence: Buck Converter
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.75V to 23V
• Output Voltage Range: 0.923V to 20V
• Output Current: Up to 3A
• Switching Frequency: 500kHz
• Dropout Voltage: 300mV at 3A
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP2309DS-LF-Z features an SOP-8 package with the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. COMP: Compensation pin
6. SS/TR: Soft-start/Tracking pin
7. LX: Switching node pin
8. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows for versatile applications
• High efficiency conversion minimizes power loss
• Low dropout voltage ensures stable output voltage even under load
• Adjustable output voltage provides flexibility in various scenarios
• Overcurrent protection safeguards against excessive current draw
• Thermal shutdown protection prevents overheating

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings - Compact size and lightweight design - Wide input voltage range enhances compatibility - Excellent load regulation for stable output voltage - Overcurrent and thermal protection ensure device safety

Disadvantages: - Limited output current capacity compared to higher-rated models - Higher cost compared to basic linear regulators

Working Principles

The MP2309DS-LF-Z is a buck converter, which operates by stepping down the input voltage to a lower output voltage. It utilizes a high-frequency switching transistor to control the energy flow and regulate the output voltage. The device employs pulse width modulation (PWM) techniques to achieve high efficiency and low dropout voltage.

Detailed Application Field Plans

The MP2309DS-LF-Z finds applications in various fields, including:

1. Portable electronic devices: Provides efficient power management for smartphones, tablets, and portable gaming consoles.
2. Industrial equipment: Suitable for powering sensors, actuators, and control systems in industrial automation.
3. Automotive electronics: Used in automotive infotainment systems, lighting modules, and other vehicle electronics.
4. LED lighting: Enables efficient power conversion for LED drivers, ensuring stable illumination.

Detailed and Complete Alternative Models

1. MP2310DS-LF-Z: Similar specifications with enhanced output current capability of up to 5A.
2. MP2307DS-LF-Z: Lower cost alternative with slightly reduced input voltage range and output current capacity.
3. MP2365DS-LF-Z: Higher output voltage range and increased switching frequency for specific applications.

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