PQ05DZ11

Product Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: Compact, High Efficiency, Low Dropout Voltage
Package: TO-252-3 (DPAK)
Essence: Integrated Circuit
Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage: 1.2V to 15V
• Output Current: 500mA
• Dropout Voltage: 0.25V (typical)
• Line Regulation: ±0.5% (typical)
• Load Regulation: ±1.0% (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PQ05DZ11 voltage regulator has three pins:

1. Pin 1 (VIN): Input voltage pin.
2. Pin 2 (GND): Ground reference pin.
3. Pin 3 (VOUT): Output voltage pin.

Functional Features

• Provides a stable output voltage regardless of input voltage fluctuations.
• Low dropout voltage enables efficient power conversion.
• Built-in overcurrent protection safeguards the circuit from excessive current flow.
• Thermal shutdown feature prevents overheating and damage to the device.
• Reverse polarity protection ensures safe operation even if the input voltage is connected incorrectly.

Advantages and Disadvantages

Advantages: - Compact size allows for easy integration into various electronic devices. - High efficiency minimizes power loss during voltage regulation. - Low dropout voltage enables operation with low input voltages. - Wide input voltage range provides flexibility in different applications.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Temperature range may restrict usage in extreme environments.

Working Principles

The PQ05DZ11 is a linear voltage regulator that utilizes an integrated circuit to regulate the output voltage. It operates by comparing the input voltage with a reference voltage and adjusting the internal circuitry to maintain a stable output voltage. The dropout voltage is minimized, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The PQ05DZ11 is commonly used in various electronic devices and systems, including:

1. Mobile phones and smartphones
2. Portable audio players
3. Digital cameras
4. Wireless communication devices
5. Battery-powered devices
6. Automotive electronics
7. Industrial control systems

Detailed and Complete Alternative Models

1. PQ05DZ01: Similar specifications, but with a higher output current of 1A.
2. PQ05DZ21: Similar specifications, but with a lower dropout voltage of 0.15V.
3. PQ05DZ31: Similar specifications, but with a wider input voltage range of 2.7V to 18V.

These alternative models provide options for different application requirements while maintaining similar characteristics to the PQ05DZ11.

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