ZLDO1117G15TA

Product Overview

Category

ZLDO1117G15TA belongs to the category of low-dropout voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize the output voltage, ensuring a constant voltage supply to various components.

Characteristics

• Low dropout voltage: The ZLDO1117G15TA has a very low dropout voltage, which means it can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• High current capability: This regulator can handle high currents, making it suitable for applications that require a significant amount of power.
• Thermal protection: The ZLDO1117G15TA is equipped with thermal shutdown protection, which prevents the device from overheating and potentially damaging the circuit.
• Adjustable output voltage: The output voltage of this regulator can be adjusted within a specific range to meet the requirements of different applications.

Package

The ZLDO1117G15TA comes in a small surface-mount package, making it suitable for compact electronic devices. It is available in a TO-252 package.

Essence

The essence of the ZLDO1117G15TA lies in its ability to provide a stable and regulated output voltage, ensuring proper functioning of electronic circuits.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity of regulators per package. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.5V - 15V
• Output Voltage: 1.5V
• Dropout Voltage: 0.6V (typical)
• Maximum Output Current: 800mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ZLDO1117G15TA has three pins:

1. VIN (Input Voltage): This pin is connected to the input voltage source.
2. VOUT (Output Voltage): The regulated output voltage is obtained from this pin.
3. GND (Ground): This pin is connected to the ground reference of the circuit.

Functional Features

• Low dropout voltage ensures stable output even with small input-output voltage differentials.
• Thermal shutdown protection prevents overheating and damage to the regulator.
• Adjustable output voltage allows flexibility in meeting specific application requirements.
• High current capability enables the regulator to handle power-hungry components.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient power conversion.
• Thermal protection prevents damage due to excessive heat.
• Adjustable output voltage provides versatility for various applications.
• High current capability makes it suitable for power-demanding circuits.

Disadvantages

• Limited output voltage range may not be suitable for all applications.
• Higher cost compared to standard linear regulators.
• Requires external capacitors for stability, adding complexity to the circuit design.

Working Principles

The ZLDO1117G15TA 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. By maintaining a constant voltage drop across the pass transistor, the regulator ensures a stable output voltage.

Detailed Application Field Plans

The ZLDO1117G15TA can be used in various electronic applications, including but not limited to:

1. Battery-powered devices: It can regulate the battery voltage to provide a stable power supply for microcontrollers, sensors, and other components.
2. Automotive electronics: This regulator can be used in automotive systems to ensure a constant voltage supply to sensitive electronic modules.
3. Industrial control systems: It is suitable for powering control boards, PLCs, and other industrial automation equipment.
4. Communication devices: The ZLDO1117G15TA can be utilized in routers, modems, and other communication devices to maintain a stable voltage for reliable operation.

Detailed and Complete Alternative Models

1. LM1117: This is a popular alternative with similar specifications and features.
2. LT1763: Another alternative that offers low dropout voltage and high current capability.
3. ADP3339: A linear regulator with adjustable output voltage and thermal protection.

These alternative models provide similar functionality and can be used as substitutes for the ZLDO1117G15TA in various applications.

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