MPQ4559DN-LF-Z

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: DFN-8 (Dual Flat No-Lead)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.3V
• Maximum Output Current: 1.5A
• Quiescent Current: 50µA
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MPQ4559DN-LF-Z has a total of 8 pins arranged as follows:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. SW: Switch Node
6. PGND: Power Ground
7. VOUT: Output Voltage
8. LX: Inductor Connection

Functional Features

• High Efficiency: The MPQ4559DN-LF-Z offers high efficiency power conversion, minimizing energy loss.
• Low Power Consumption: With a quiescent current of only 50µA, it ensures low power consumption during standby or light load conditions.
• Wide Input Voltage Range: The IC can accept input voltages ranging from 2.7V to 5.5V, making it suitable for various applications.
• Adjustable Output Voltage: The output voltage can be adjusted from 0.6V to 3.3V, providing flexibility for different requirements.

Advantages and Disadvantages

Advantages

• High efficiency power conversion
• Low power consumption during standby or light load conditions
• Wide input voltage range
• Adjustable output voltage

Disadvantages

• Limited maximum output current (1.5A)

Working Principles

The MPQ4559DN-LF-Z is a voltage regulator IC that utilizes a synchronous buck converter topology. It operates by converting the input voltage to a lower, regulated output voltage. The integrated control circuitry ensures efficient power conversion and stable output voltage.

Detailed Application Field Plans

The MPQ4559DN-LF-Z is commonly used in various applications, including:

1. Portable Electronic Devices: It can be employed in smartphones, tablets, portable media players, and other battery-powered devices to regulate the voltage for different components.
2. IoT Devices: The IC finds application in Internet of Things (IoT) devices such as sensors, wearables, and smart home devices, providing stable power supply.
3. Industrial Equipment: It can be utilized in industrial equipment like automation systems, motor drives, and control circuits to ensure reliable and efficient power management.

Detailed and Complete Alternative Models

1. MPQ4450DN-LF-Z: Similar specifications and pin configuration, but with a higher maximum output current of 2A.
2. MPQ4650DN-LF-Z: Offers similar features and pin configuration, but with an extended input voltage range of 2.7V to 6V.

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