PQ1R47

Product Overview

Category: Integrated Circuit
Use: Voltage Regulator
Characteristics: Low Dropout, High Current Output
Package: TO-220
Essence: Linear Regulator
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Input Voltage Range: 2.5V to 6.0V
Output Voltage Range: 1.2V to 5.0V
Output Current: Up to 1A
Dropout Voltage: 200mV (typical)
Quiescent Current: 75µA (typical)
Line Regulation: ±0.2% (typical)
Load Regulation: ±0.3% (typical)
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PQ1R47 voltage regulator has the following pin configuration:

VIN: Input Voltage
GND: Ground
VOUT: Output Voltage

Functional Features

Low dropout voltage ensures stable output even with small input-output differentials.
High current output capability allows for powering a wide range of devices.
Excellent line and load regulation provide consistent performance under varying conditions.
Built-in overcurrent and thermal protection safeguards the regulator and connected components.

Advantages

Compact TO-220 package enables easy integration into various circuit designs.
Wide input voltage range allows for flexibility in power supply selection.
Low quiescent current minimizes power consumption during standby or idle modes.
Robust design ensures reliable operation in harsh environments.

Disadvantages

Limited output current may not be suitable for high-power applications.
Dropout voltage may cause efficiency loss in low input voltage scenarios.
Higher cost compared to non-linear voltage regulators.

Working Principles

The PQ1R47 is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized by using a low resistance pass element, allowing for efficient regulation even with small input-output differentials.

Detailed Application Field Plans

The PQ1R47 is commonly used in various electronic devices and systems, including:

Battery-powered devices: Portable audio players, handheld gaming consoles.
Automotive applications: Infotainment systems, dashboard displays.
Industrial equipment: Motor control circuits, sensor interfaces.
Communication devices: Wireless routers, network switches.

Detailed and Complete Alternative Models

PQ1R48: Similar specifications but with higher output current capability (up to 2A).
PQ1R46: Lower output current capability (up to 500mA) but with lower dropout voltage.
PQ1R45: Higher output voltage range (up to 12V) suitable for specific applications.

(Note: This list is not exhaustive and other alternative models may exist.)

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací PQ1R47 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of PQ1R47 in technical solutions:

Q1: What is PQ1R47? A1: PQ1R47 is a specific type of resistor commonly used in technical solutions. It has a resistance value of 47 ohms.

Q2: Where can PQ1R47 be used? A2: PQ1R47 can be used in various applications such as power supplies, amplifiers, audio equipment, and electronic circuits.

Q3: What is the power rating of PQ1R47? A3: The power rating of PQ1R47 is typically 1 watt, which means it can handle up to 1 watt of power without getting damaged.

Q4: Is PQ1R47 a fixed or variable resistor? A4: PQ1R47 is a fixed resistor, meaning its resistance value cannot be adjusted.

Q5: Can PQ1R47 be used in high-temperature environments? A5: Yes, PQ1R47 is designed to withstand high temperatures and can be used in applications where temperature fluctuations occur.

Q6: What is the tolerance of PQ1R47? A6: The tolerance of PQ1R47 is usually 5%, which means the actual resistance value can deviate by ±5% from the specified 47-ohm value.

Q7: Can PQ1R47 be used in both AC and DC circuits? A7: Yes, PQ1R47 can be used in both AC (alternating current) and DC (direct current) circuits without any issues.

Q8: How do I identify PQ1R47 on a circuit board? A8: PQ1R47 is typically labeled with its resistance value "47" and may have additional markings or color bands indicating its specifications.

Q9: Can PQ1R47 be used in high-frequency applications? A9: PQ1R47 is not specifically designed for high-frequency applications, but it can still be used in moderate frequency ranges without significant issues.

Q10: Are there any alternative resistors to PQ1R47 with similar specifications? A10: Yes, there are other resistors available with similar resistance values and power ratings. Some alternatives include PR1R47, PQ2R47, or PR2R47, but it's important to check their datasheets for specific details.

Please note that the answers provided here are general and may vary depending on the manufacturer or specific application requirements.