PQ1U311M2ZPH

Basic Information Overview

• Category: Electronic Component
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current Output
• Package: TO-220
• Essence: Regulates voltage to a stable level
• Packaging/Quantity: Bulk packaging, 100 pieces per box

Specifications

• Input Voltage Range: 4.5V - 18V
• Output Voltage Range: 1.2V - 15V
• Maximum Output Current: 3A
• Dropout Voltage: 0.3V @ 1A
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The PQ1U311M2ZPH has a standard TO-220 package with three pins: 1. Pin 1: Input Voltage (VIN) 2. Pin 2: Ground (GND) 3. Pin 3: Output Voltage (VOUT)

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• High current output capability allows for powering various electronic devices.
• Excellent line and load regulation provide stable output voltage under varying conditions.
• Thermal shutdown protection prevents damage due to excessive temperature.

Advantages

• Wide input voltage range makes it suitable for a variety of applications.
• Compact TO-220 package enables easy integration into circuit designs.
• Low dropout voltage minimizes power dissipation and improves efficiency.
• High current output capability meets the demands of power-hungry devices.

Disadvantages

• Limited output voltage range may not be suitable for certain specialized applications.
• TO-220 package requires additional heat sinking for high-power applications.

Working Principles

The PQ1U311M2ZPH is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The PQ1U311M2ZPH is commonly used in various electronic devices, including: - Power supplies for consumer electronics - Automotive applications - Industrial control systems - Telecommunications equipment

Detailed and Complete Alternative Models

• PQ1U331M2ZPH: Similar specifications but with higher output current capability (5A)
• PQ1U321M2ZPH: Similar specifications but with adjustable output voltage
• PQ1U301M2ZPH: Similar specifications but with lower dropout voltage (0.2V)

In conclusion, the PQ1U311M2ZPH is a voltage regulator with excellent characteristics, such as low dropout voltage and high current output. Its compact TO-220 package and wide input voltage range make it suitable for various applications in consumer electronics, automotive, industrial, and telecommunications fields. While it has some limitations, there are alternative models available to meet specific requirements.