ISL8117FRZ

Product Overview

Category

ISL8117FRZ belongs to the category of integrated circuits (ICs).

Use

The ISL8117FRZ is commonly used as a voltage regulator in various electronic devices and systems.

Characteristics

• High efficiency: The ISL8117FRZ offers high conversion efficiency, minimizing power loss.
• Wide input voltage range: It can handle a wide range of input voltages, making it versatile for different applications.
• Adjustable output voltage: The output voltage can be adjusted according to the specific requirements of the system.
• Overcurrent protection: The IC incorporates overcurrent protection to safeguard against excessive current flow.
• Thermal shutdown protection: It includes thermal shutdown protection to prevent overheating.

Package

The ISL8117FRZ is available in a small form factor package, which facilitates easy integration into compact designs.

Essence

The essence of the ISL8117FRZ lies in its ability to regulate voltage efficiently and reliably, ensuring stable power supply to connected devices.

Packaging/Quantity

The ISL8117FRZ is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.8V to 24V
• Maximum Output Current: 3A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ISL8117FRZ has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin to control the operation of the IC
5. SW: Switching node pin for connecting the external inductor
6. PGND: Power ground pin
7. VCC: Supply voltage pin for internal control circuitry

Functional Features

• Voltage regulation: The ISL8117FRZ provides precise voltage regulation, ensuring a stable output voltage.
• Soft-start: It incorporates a soft-start feature to minimize inrush current during startup.
• Current limit: The IC includes a current limit function to protect against excessive current flow.
• Frequency synchronization: It allows synchronization with an external clock signal for noise reduction and system optimization.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Wide input voltage range enables compatibility with various power sources.
• Adjustable output voltage offers flexibility for different applications.
• Overcurrent and thermal shutdown protection enhance system reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Higher switching frequency may introduce additional noise in sensitive systems.

Working Principles

The ISL8117FRZ operates as a buck converter, converting a higher input voltage to a lower output voltage. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage. The IC controls the duty cycle of the switching transistor to maintain the desired output voltage level.

Detailed Application Field Plans

The ISL8117FRZ finds applications in various fields, including but not limited to: 1. Industrial automation systems 2. Automotive electronics 3. Telecommunications equipment 4. Power supply units 5. LED lighting systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the ISL8117FRZ are: 1. LM2596S-ADJ 2. LT1763-3.3 3. TPS54331

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

In conclusion, the ISL8117FRZ is a versatile voltage regulator IC with high efficiency, wide input voltage range, and adjustable output voltage. It provides reliable voltage regulation for various applications in different fields. While it has certain limitations, alternative models are available to suit specific needs.