PQ05DZ51

Product Overview

Category

PQ05DZ51 belongs to the category of voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

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

Package

PQ05DZ51 comes in a small surface-mount package, making it suitable for space-constrained applications.

Essence

The essence of PQ05DZ51 lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

PQ05DZ51 is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 4.5V - 18V
• Output Voltage: 5V
• Output Current: Up to 500mA
• Dropout Voltage: 0.3V (typical)
• Quiescent Current: 50μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

PQ05DZ51 has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. VOUT (Output Voltage)

Functional Features

• Voltage regulation: PQ05DZ51 ensures a stable output voltage regardless of input voltage fluctuations.
• Overcurrent protection: It safeguards the circuit by limiting the current in case of excessive load.
• Thermal shutdown protection: PQ05DZ51 automatically shuts down when the temperature exceeds a certain threshold, preventing damage due to overheating.

Advantages and Disadvantages

Advantages

• Small form factor enables usage in compact designs.
• High efficiency minimizes power loss.
• Wide input voltage range allows compatibility with various power sources.
• Overcurrent and thermal protection enhance circuit reliability.

Disadvantages

• Limited output current capacity (up to 500mA).
• Dropout voltage may affect performance in low input voltage scenarios.

Working Principles

PQ05DZ51 operates based on a feedback mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

PQ05DZ51 finds applications in various electronic devices and systems, including but not limited to: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices - IoT devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to PQ05DZ51 include: - LM1117-5.0 - XC6205 - LT1763 - TPS736

These models can be considered as alternatives based on specific requirements and design constraints.

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