ISL8018IRAJZ-T

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Regulator

Characteristics: - High efficiency - Low quiescent current - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Package: 16-Ld 3x3 DFN

Essence: The ISL8018IRAJZ-T is a voltage regulator IC designed for various applications that require stable and adjustable output voltages.

Packaging/Quantity: The ISL8018IRAJZ-T is available in a 16-Lead 3x3 DFN package. It is typically sold in reels of 2500 units.

Specifications

Input Voltage Range: 2.7V to 5.5V
Output Voltage Range: 0.6V to VIN
Output Current: Up to 8A
Quiescent Current: 17µA
Efficiency: Up to 95%
Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISL8018IRAJZ-T has the following pin configuration:

VIN: Input Voltage
GND: Ground
EN: Enable Pin
FB: Feedback Pin
SS: Soft-Start Pin
PG: Power Good Indicator
VOUT: Output Voltage
SW: Switching Node
BST: Bootstrap Capacitor Connection
COMP: Compensation Pin
AGND: Analog Ground
NC: No Connect
NC: No Connect
NC: No Connect
NC: No Connect
VCC: Supply Voltage

Functional Features

Wide input voltage range allows operation from various power sources.
Adjustable output voltage provides flexibility for different applications.
High efficiency minimizes power loss and maximizes battery life.
Overcurrent and thermal protection ensure safe operation.

Advantages

High efficiency results in reduced power consumption.
Wide input voltage range allows compatibility with different power sources.
Adjustable output voltage provides versatility for various applications.
Overcurrent and thermal protection enhance reliability and safety.

Disadvantages

Limited output current may not be suitable for high-power applications.
The 16-Lead 3x3 DFN package may require specialized equipment for soldering.

Working Principles

The ISL8018IRAJZ-T is a synchronous buck regulator that uses pulse-width modulation (PWM) to regulate the output voltage. It operates by switching the input voltage on and off at a high frequency, which is then filtered to provide a stable output voltage. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the switching signal to maintain the desired output voltage.

Detailed Application Field Plans

The ISL8018IRAJZ-T can be used in various applications, including but not limited to: 1. Battery-powered devices 2. Portable electronics 3. Industrial automation 4. Automotive systems 5. Telecommunications equipment

Alternative Models

LM2596S-ADJ: Adjustable Voltage Regulator, 3A Output Current
LT1763CS8-3.3: Low Dropout Regulator, 3.3V Output Voltage
TPS5430DDAR: Synchronous Buck Converter, 3A Output Current

These alternative models offer similar functionality and can be considered as alternatives to the ISL8018IRAJZ-T based on specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ISL8018IRAJZ-T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ISL8018IRAJZ-T in technical solutions:

Q: What is the maximum input voltage supported by ISL8018IRAJZ-T? A: The ISL8018IRAJZ-T supports a maximum input voltage of 36V.
Q: What is the typical output current capability of ISL8018IRAJZ-T? A: The typical output current capability of ISL8018IRAJZ-T is 8A.
Q: Can ISL8018IRAJZ-T operate in a wide temperature range? A: Yes, ISL8018IRAJZ-T can operate in a wide temperature range from -40°C to +125°C.
Q: Does ISL8018IRAJZ-T have built-in overcurrent protection? A: Yes, ISL8018IRAJZ-T has built-in overcurrent protection to safeguard against excessive load currents.
Q: Is ISL8018IRAJZ-T suitable for battery-powered applications? A: Yes, ISL8018IRAJZ-T is suitable for battery-powered applications as it has low quiescent current and high efficiency.
Q: Can ISL8018IRAJZ-T be used in automotive applications? A: Yes, ISL8018IRAJZ-T is AEC-Q100 qualified and can be used in automotive applications.
Q: Does ISL8018IRAJZ-T support adjustable output voltage? A: Yes, ISL8018IRAJZ-T supports adjustable output voltage through external resistors.
Q: What is the typical switching frequency of ISL8018IRAJZ-T? A: The typical switching frequency of ISL8018IRAJZ-T is 1.5MHz.
Q: Does ISL8018IRAJZ-T have a power-good indicator? A: Yes, ISL8018IRAJZ-T has a power-good indicator that provides a signal when the output voltage is within regulation.
Q: Can ISL8018IRAJZ-T be used in space-constrained applications? A: Yes, ISL8018IRAJZ-T is available in a compact 3mm x 4mm DFN package, making it suitable for space-constrained applications.

Please note that these answers are based on general information and may vary depending on specific application requirements.