PQ05RD1B

Product Overview

Category

PQ05RD1B belongs to the category of voltage regulators.

Use

This product is primarily used for regulating and stabilizing voltage levels in electronic circuits.

Characteristics

• Compact size
• High efficiency
• Low dropout voltage
• Wide input voltage range
• Overcurrent protection
• Thermal shutdown protection

Package

PQ05RD1B is available in a small surface-mount package, making it suitable for space-constrained applications.

Essence

The essence of PQ05RD1B lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with varying quantities depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage: 1.8V
• Output Current: 500mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 85μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

PQ05RD1B features a standard three-pin configuration:

1. VIN (Input Voltage): This pin is connected to the power supply input.
2. GND (Ground): This pin is connected to the ground reference.
3. VOUT (Output Voltage): This pin provides the regulated output voltage.

Functional Features

• Voltage Regulation: PQ05RD1B ensures a stable output voltage despite variations in input voltage and load conditions.
• Overcurrent Protection: The device incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature rise, the regulator shuts down to prevent damage.
• Low Dropout Voltage: The low dropout voltage minimizes power dissipation and extends battery life.
• Wide Input Voltage Range: PQ05RD1B can operate within a wide range of input voltages, enhancing its versatility.

Advantages and Disadvantages

Advantages

• Compact size allows for easy integration into space-constrained designs.
• High efficiency results in minimal power loss during voltage regulation.
• Overcurrent and thermal shutdown protection enhance circuit reliability.
• Wide input voltage range accommodates various power supply sources.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Single fixed output voltage restricts flexibility in voltage selection.

Working Principles

PQ05RD1B utilizes a voltage reference, error amplifier, and pass transistor to regulate the output voltage. The error amplifier compares the feedback voltage with the reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

PQ05RD1B finds application in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - IoT devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

• PQ05RF1B: Similar specifications but with an output voltage of 3.3V.
• PQ05RG1B: Similar specifications but with an output voltage of 5.0V.
• PQ05RH1B: Similar specifications but with an output voltage of 12.0V.

These alternative models provide different output voltage options while maintaining similar characteristics and features as PQ05RD1B.

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