PQ1R33

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output voltage accuracy
  • Low quiescent current
  • Overcurrent protection
  • Thermal shutdown protection
• Package: TO-220
• Essence: Linear regulator
• Packaging/Quantity: Tape and Reel, 1000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.0V
• Output Current: 500mA
• Dropout Voltage: 200mV @ 500mA
• Quiescent Current: 50µA
• Line Regulation: ±0.2%
• Load Regulation: ±0.3%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PQ1R33 IC has the following pin configuration:

1. VOUT: Output Voltage Pin
2. GND: Ground Pin
3. VIN: Input Voltage Pin

Functional Features

• Provides a stable output voltage regardless of input voltage fluctuations
• Low dropout voltage ensures efficient power conversion
• Overcurrent protection safeguards the IC and connected components
• Thermal shutdown protection prevents overheating and damage

Advantages

• High output voltage accuracy ensures reliable performance
• Low quiescent current minimizes power consumption
• Compact TO-220 package allows for easy integration into various applications
• Wide operating temperature range enables usage in extreme environments

Disadvantages

• Limited output current capacity may not be suitable for high-power applications
• Dropout voltage may cause a slight decrease in efficiency

Working Principles

The PQ1R33 is a linear voltage regulator that maintains a constant output voltage by adjusting the resistance between its input and output. It operates by comparing the output voltage to a reference voltage and adjusting the resistance accordingly. This ensures a stable output voltage even when the input voltage varies.

Detailed Application Field Plans

The PQ1R33 is commonly used in various electronic devices where a stable and accurate voltage supply is required. Some of its typical applications include:

1. Battery-powered devices
2. Portable audio players
3. Mobile phones
4. Digital cameras
5. Wireless communication systems

Detailed and Complete Alternative Models

• PQ1R32: Similar specifications, but with a lower output current capacity of 300mA
• PQ1R34: Similar specifications, but with a higher output current capacity of 800mA
• PQ1R35: Similar specifications, but with an adjustable output voltage range

Note: These alternative models provide similar functionality but may have different specifications or package options.

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