PQ1R38

Product Overview

Category: Integrated Circuit
Use: Power Management
Characteristics: Low Dropout Voltage Regulator
Package: TO-220
Essence: High-performance voltage regulator with low dropout voltage and high output current capability.
Packaging/Quantity: Available in reels of 1000 units.

Specifications

Input Voltage Range: 2.5V to 6.0V
Output Voltage Range: 1.2V to 5.0V
Output Current: Up to 3A
Dropout Voltage: 200mV (typical)
Quiescent Current: 75µA (typical)
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The PQ1R38 integrated circuit has the following pin configuration:

VIN: Input voltage pin
GND: Ground pin
VOUT: Output voltage pin

Functional Features

Low dropout voltage ensures stable output even with small input-output voltage differentials.
High output current capability allows for powering a wide range of devices.
Built-in overcurrent protection safeguards the circuit from excessive current flow.
Thermal shutdown protection prevents damage due to overheating.
Short-circuit protection ensures safe operation during fault conditions.

Advantages and Disadvantages

Advantages

Low dropout voltage enables efficient power conversion.
High output current capability supports various applications.
Overcurrent, thermal, and short-circuit protections enhance reliability.
Wide operating temperature range allows for use in extreme environments.

Disadvantages

Limited input voltage range may restrict compatibility with certain systems.
Higher quiescent current compared to some competing models.

Working Principles

The PQ1R38 is a linear voltage regulator that regulates the output voltage by maintaining a constant voltage drop across its internal pass transistor. It achieves this by comparing the reference voltage with the feedback voltage and adjusting the pass transistor accordingly. The low dropout voltage is achieved through advanced circuit design and optimized component selection.

Detailed Application Field Plans

The PQ1R38 is suitable for various applications, including but not limited to:

Battery-powered devices
Portable electronics
Automotive systems
Industrial equipment
Communication devices

Detailed and Complete Alternative Models

PQ1R33: Low Dropout Voltage Regulator, 1A Output Current
PQ1R36: Low Dropout Voltage Regulator, 2A Output Current
PQ1R310: Low Dropout Voltage Regulator, 3A Output Current, Adjustable Output Voltage

These alternative models offer similar functionality with varying output current capabilities to cater to different application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av PQ1R38 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of PQ1R38 in technical solutions:

Q1: What is PQ1R38? A1: PQ1R38 is a specific model or part number of a component used in technical solutions, typically in electronic circuits.

Q2: What is the purpose of PQ1R38? A2: The purpose of PQ1R38 is to provide power regulation or voltage conversion in electronic devices or systems.

Q3: What are the key features of PQ1R38? A3: Some key features of PQ1R38 may include high efficiency, low power dissipation, small form factor, and wide input voltage range.

Q4: In which applications can PQ1R38 be used? A4: PQ1R38 can be used in various applications such as power supplies, battery chargers, LED lighting, consumer electronics, and industrial automation.

Q5: What is the input voltage range of PQ1R38? A5: The input voltage range of PQ1R38 can vary depending on the specific model, but it typically covers a wide range such as 4.5V to 40V.

Q6: What is the output voltage range of PQ1R38? A6: The output voltage range of PQ1R38 also varies based on the model, but it can be adjusted or fixed within a specific range, such as 1.2V to 36V.

Q7: How much current can PQ1R38 handle? A7: The current handling capacity of PQ1R38 depends on the specific model, but it can typically handle currents ranging from a few hundred milliamperes (mA) to several amperes (A).

Q8: Is PQ1R38 suitable for high-temperature environments? A8: Yes, PQ1R38 is designed to operate reliably in high-temperature environments and can withstand elevated temperatures up to a certain limit, typically around 125°C.

Q9: Does PQ1R38 have built-in protection features? A9: Yes, PQ1R38 often includes built-in protection features such as overcurrent protection, overvoltage protection, and thermal shutdown to ensure safe operation and prevent damage.

Q10: Can PQ1R38 be used in automotive applications? A10: Yes, some models of PQ1R38 are specifically designed for automotive applications and comply with relevant automotive standards, making them suitable for use in vehicles.

Please note that the specific details and answers may vary depending on the manufacturer and model of PQ1R38. It's always recommended to refer to the datasheet or consult the manufacturer for accurate information.