AS1353-18-T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Overcurrent protection - Short-circuit protection

Package: SOT-223

Essence: AS1353-18-T is a voltage regulator IC designed to provide a stable output voltage with low dropout. It is commonly used in various electronic devices to regulate and maintain a constant voltage level.

Packaging/Quantity: The AS1353-18-T is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Input Voltage Range: 2.5V - 6V
• Output Voltage: 1.8V
• Dropout Voltage: 200mV @ 100mA
• Output Current: Up to 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AS1353-18-T has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• High output current capability allows it to power a wide range of electronic components.
• Thermal shutdown protection prevents the IC from overheating under excessive load conditions.
• Overcurrent protection safeguards against excessive current flow, protecting both the IC and the connected circuitry.
• Short-circuit protection prevents damage caused by accidental short circuits.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient operation. - High output current capability enables it to power various components. - Thermal shutdown, overcurrent, and short-circuit protections enhance reliability and safety.

Disadvantages: - Limited output voltage options (only 1.8V in this case). - May require additional external components for specific applications.

Working Principles

The AS1353-18-T 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 internal circuitry monitors the input voltage, output voltage, and current to ensure stable operation and protect against potential faults.

Detailed Application Field Plans

The AS1353-18-T is widely used in various electronic devices that require a stable and regulated power supply. Some common application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players, etc.
2. Computer Peripherals: USB hubs, external hard drives, printers, etc.
3. Consumer Electronics: Digital cameras, gaming consoles, audio/video equipment, etc.
4. Industrial Equipment: Sensors, control systems, measurement devices, etc.
5. Automotive Electronics: Infotainment systems, navigation units, lighting controls, etc.

Detailed and Complete Alternative Models

1. AS1353-15-T: Output Voltage - 1.5V
2. AS1353-25-T: Output Voltage - 2.5V
3. AS1353-33-T: Output Voltage - 3.3V
4. AS1353-50-T: Output Voltage - 5.0V

These alternative models provide different output voltage options to suit various application requirements.

Note: The above information is subject to change. Please refer to the manufacturer's datasheet for the most accurate and up-to-date specifications.