ISL9021AIRUJZ-T

Product Overview

Category

ISL9021AIRUJZ-T belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a voltage regulator in various electronic devices.

Characteristics

• High efficiency
• Low dropout voltage
• Wide input voltage range
• Adjustable output voltage
• Overcurrent and thermal protection

Package

ISL9021AIRUJZ-T is available in a small, surface-mount package.

Essence

The essence of ISL9021AIRUJZ-T lies in its ability to regulate voltage efficiently and reliably.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0.8V to VIN
• Dropout Voltage: 200mV at 150mA load current
• Quiescent Current: 20µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ISL9021AIRUJZ-T has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin

Functional Features

• High power supply rejection ratio (PSRR)
• Low output voltage noise
• Fast transient response
• Short-circuit protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Wide input voltage range allows for versatile applications
• Adjustable output voltage provides flexibility
• Overcurrent and thermal protection ensure device safety

Disadvantages

• Limited output current capability
• Sensitive to input voltage fluctuations

Working Principles

ISL9021AIRUJZ-T operates based on the principle of a linear voltage regulator. It takes an input voltage and regulates it to a desired output voltage level. The internal circuitry of the IC ensures that the output voltage remains stable even when the input voltage or load conditions change.

Detailed Application Field Plans

ISL9021AIRUJZ-T finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Wearable devices - IoT devices

Detailed and Complete Alternative Models

Some alternative models to ISL9021AIRUJZ-T are: - LM1117-3.3 - LT1763-3.3 - TPS79633

These models offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, ISL9021AIRUJZ-T is a versatile voltage regulator IC with high efficiency, wide input voltage range, and adjustable output voltage. It provides reliable voltage regulation for various electronic devices. However, it has limitations in terms of output current capability and sensitivity to input voltage fluctuations. Alternative models such as LM1117-3.3, LT1763-3.3, and TPS79633 can be considered as substitutes.