ZLDO485T8TA - English Editing Encyclopedia Entry

Product Overview

Category

ZLDO485T8TA belongs to the category of voltage regulators.

Use

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

Characteristics

• Package: The ZLDO485T8TA comes in a compact and durable package.
• Essence: It is designed to provide stable and reliable voltage regulation.
• Packaging/Quantity: The product is typically packaged in reels or trays, with varying quantities depending on the supplier.

Specifications

The ZLDO485T8TA has the following specifications:

• Input Voltage Range: 2.5V to 6V
• Output Voltage: 4.85V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ZLDO485T8TA has the following pin configuration:

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

Functional Features

• Low Dropout Voltage: The ZLDO485T8TA exhibits a low dropout voltage, ensuring efficient voltage regulation even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: With a low quiescent current, this voltage regulator minimizes power consumption during standby or idle modes.
• Overcurrent Protection: The device incorporates overcurrent protection, safeguarding the circuit from excessive current flow and potential damage.
• Thermal Shutdown: In case of excessive temperature rise, the ZLDO485T8TA includes a thermal shutdown feature that prevents overheating and ensures safe operation.

Advantages and Disadvantages

Advantages

• Compact Size: The small form factor of the ZLDO485T8TA makes it suitable for space-constrained applications.
• High Efficiency: The low dropout voltage and quiescent current contribute to high efficiency in voltage regulation.
• Robust Protection Features: The overcurrent protection and thermal shutdown features enhance the reliability and longevity of the device.

Disadvantages

• Limited Output Current: The maximum output current of 500mA may not be sufficient for power-hungry applications.

Working Principles

The ZLDO485T8TA operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This ensures that the output voltage remains stable, even with variations in the input voltage or load conditions.

Detailed Application Field Plans

The ZLDO485T8TA finds applications in various fields, including:

1. Consumer Electronics: It can be used in portable devices, such as smartphones, tablets, and digital cameras, to provide stable voltage supply.
2. Industrial Automation: The voltage regulator is suitable for controlling sensors, actuators, and other electronic components in industrial automation systems.
3. Automotive Electronics: It can be employed in automotive applications, such as infotainment systems, dashboard displays, and lighting control modules.

Detailed and Complete Alternative Models

Some alternative models to the ZLDO485T8TA include:

1. LM1117-4.85: A popular voltage regulator with similar specifications and performance characteristics.
2. LT1763-4.85: Another reliable voltage regulator known for its low dropout voltage and high accuracy.
3. TPS7A4901: A high-performance voltage regulator offering excellent line and load regulation.

These alternative models can be considered based on specific application requirements and availability.

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