ISL9518AHRTZ-T

Product Overview

Category

ISL9518AHRTZ-T belongs to the category of voltage regulators.

Use

It is primarily used for power management in electronic devices.

Characteristics

• High efficiency
• Low quiescent current
• Wide input voltage range
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection

Package

ISL9518AHRTZ-T comes in a compact and durable package, suitable for surface mount applications.

Essence

The essence of ISL9518AHRTZ-T lies in its ability to efficiently regulate voltage levels, ensuring stable and reliable power supply to electronic devices.

Packaging/Quantity

ISL9518AHRTZ-T is typically packaged in reels, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 3A
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. PG: Power good indicator pin
6. VOUT: Output voltage pin

Functional Features

• Integrated synchronous buck regulator
• Adjustable output voltage through external resistors
• Soft-start function for controlled startup
• Overcurrent protection prevents damage to the device
• Thermal shutdown protection safeguards against overheating
• Power good indicator for monitoring the output voltage status

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Wide input voltage range allows compatibility with various power sources
• Adjustable output voltage provides flexibility for different applications
• Overcurrent and thermal shutdown protection enhance device safety

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Quiescent current, although low, still contributes to power consumption

Working Principles

ISL9518AHRTZ-T operates as a synchronous buck regulator, converting the input voltage to a lower, regulated output voltage. The feedback pin (FB) is used to set the desired output voltage, which can be adjusted using external resistors. The enable pin (EN) controls the device's operation, while the power good indicator (PG) monitors the output voltage status.

Detailed Application Field Plans

ISL9518AHRTZ-T finds application in various electronic devices requiring efficient power management. Some potential fields of application include:

1. Mobile devices: Smartphones, tablets, and portable media players.
2. IoT devices: Wearable devices, smart home appliances, and connected sensors.
3. Industrial equipment: Control systems, motor drives, and instrumentation devices.
4. Automotive electronics: Infotainment systems, navigation units, and advanced driver-assistance systems.

Detailed and Complete Alternative Models

1. ISL9519AHRTZ-T: Similar to ISL9518AHRTZ-T with higher maximum output current of 5A.
2. ISL9520AHRTZ-T: Synchronous buck regulator with adjustable output voltage and integrated power good indicator.
3. ISL9521AHRTZ-T: Low quiescent current buck regulator with wide input voltage range and overcurrent protection.

These alternative models offer similar functionality and can be considered based on specific requirements.

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