ZLDO1117K15TC - English Editing Encyclopedia Entry

Product Overview

Category

ZLDO1117K15TC belongs to the category of voltage regulators.

Use

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

Characteristics

• Package: The ZLDO1117K15TC comes in a compact surface-mount package.
• Essence: It is a low-dropout linear voltage regulator.
• Packaging/Quantity: Typically, this product is packaged in reels or tubes, with varying quantities depending on the supplier.

Specifications

The ZLDO1117K15TC has the following specifications:

• Input Voltage Range: 2.5V to 15V
• Output Voltage: 1.5V
• Maximum Output Current: 800mA
• Dropout Voltage: 0.9V (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ZLDO1117K15TC has three pins:

1. Vin (Input Voltage): This pin is used to connect the input voltage source.
2. Vout (Output Voltage): This pin provides the regulated output voltage.
3. GND (Ground): This pin is connected to the ground reference.

Functional Features

• Low Dropout: The ZLDO1117K15TC exhibits a low dropout voltage, allowing it to regulate voltage even when the input voltage is close to the desired output voltage.
• High Accuracy: With excellent line and load regulation, this voltage regulator ensures precise output voltage stability.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Compact size and surface-mount package make it suitable for space-constrained applications.
• Low dropout voltage enables efficient voltage regulation.
• High accuracy ensures stable output voltage.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Operating temperature range may restrict usage in extreme environments.

Working Principles

The ZLDO1117K15TC operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The device compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

The ZLDO1117K15TC finds applications in various electronic systems, including but not limited to:

1. Battery-powered devices: This voltage regulator can be used to provide a stable voltage supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Automotive electronics: It is suitable for regulating voltage in automotive applications like infotainment systems, lighting controls, and sensors.
3. Industrial control systems: The ZLDO1117K15TC can be employed in industrial automation, motor control, and power management applications.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the ZLDO1117K15TC include:

1. LM1117-1.5: A popular voltage regulator with a fixed 1.5V output voltage.
2. LT1763-1.5: Another low-dropout voltage regulator with a 1.5V output voltage.
3. ADP3339-1.5: A precision voltage regulator capable of delivering 1.5V output voltage.

These alternatives can be considered based on specific requirements and availability.

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