ISL89165FBECZ

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High-efficiency synchronous buck regulator - Wide input voltage range - Adjustable output voltage - Low quiescent current - Overcurrent protection - Thermal shutdown protection

Package: QFN (Quad Flat No-leads)

Essence: The ISL89165FBECZ is a power management IC designed for high-efficiency synchronous buck regulation. It offers a wide input voltage range and adjustable output voltage, making it suitable for various applications.

Packaging/Quantity: The ISL89165FBECZ is available in a QFN package. The quantity per package may vary depending on the supplier.

Specifications

Input Voltage Range: 4.5V to 60V
Output Voltage Range: 0.8V to VIN
Quiescent Current: 25µA
Switching Frequency: 500kHz
Maximum Duty Cycle: 100%
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ISL89165FBECZ has the following pin configuration:

VIN: Input voltage pin
PGND: Power ground pin
SW: Switching node pin
FB: Feedback voltage pin
EN: Enable pin
SS/TR: Soft-start/Tracking pin
VCC: Supply voltage pin
PG: Power good indicator pin

Functional Features

High efficiency: The ISL89165FBECZ utilizes synchronous buck regulation to achieve high efficiency in power conversion.
Wide input voltage range: It can handle input voltages ranging from 4.5V to 60V, making it suitable for a wide range of applications.
Adjustable output voltage: The output voltage can be adjusted from 0.8V to the input voltage, providing flexibility in power supply design.
Overcurrent protection: The IC incorporates overcurrent protection to safeguard against excessive current flow.
Thermal shutdown protection: It includes thermal shutdown protection to prevent overheating and potential damage.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Disadvantages: - Limited maximum duty cycle (100%) - Requires external components for operation

Working Principles

The ISL89165FBECZ operates as a synchronous buck regulator, converting a higher input voltage to a lower output voltage efficiently. It utilizes pulse-width modulation (PWM) to control the switching of the internal power MOSFETs. By adjusting the duty cycle of the PWM signal, the output voltage can be regulated. The IC also incorporates various protection features to ensure safe operation.

Detailed Application Field Plans

The ISL89165FBECZ is suitable for a wide range of applications, including but not limited to: - Industrial automation systems - Automotive electronics - Telecommunications equipment - Power supplies - LED lighting - Battery-powered devices

Detailed and Complete Alternative Models

TPS54332: Synchronous buck converter with similar specifications and features.
LT8614: High-efficiency synchronous buck regulator with adjustable output voltage.
MP2307: Step-down converter with wide input voltage range and adjustable output voltage.

These alternative models offer similar functionality and can be considered as alternatives to the ISL89165FBECZ based on specific application requirements.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням ISL89165FBECZ у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of ISL89165FBECZ in technical solutions:

Q: What is ISL89165FBECZ? A: ISL89165FBECZ is a high-performance, low-side load switch designed for use in various technical solutions.
Q: What is the maximum voltage rating of ISL89165FBECZ? A: The maximum voltage rating of ISL89165FBECZ is typically 5.5V.
Q: What is the typical current limit of ISL89165FBECZ? A: The typical current limit of ISL89165FBECZ is around 1.5A.
Q: Can ISL89165FBECZ be used in battery-powered applications? A: Yes, ISL89165FBECZ can be used in battery-powered applications as it has a low quiescent current and supports low-voltage operation.
Q: Does ISL89165FBECZ have built-in protection features? A: Yes, ISL89165FBECZ includes built-in protection features such as overcurrent protection and thermal shutdown.
Q: Can ISL89165FBECZ be used in automotive applications? A: Yes, ISL89165FBECZ is suitable for automotive applications as it meets the necessary requirements for automotive-grade components.
Q: What is the operating temperature range of ISL89165FBECZ? A: The operating temperature range of ISL89165FBECZ is typically -40°C to +85°C.
Q: Is ISL89165FBECZ compatible with both digital and analog signals? A: Yes, ISL89165FBECZ is compatible with both digital and analog signals, making it versatile for various applications.
Q: Can ISL89165FBECZ be used in high-frequency switching applications? A: Yes, ISL89165FBECZ is designed to support high-frequency switching applications with minimal losses.
Q: What package options are available for ISL89165FBECZ? A: ISL89165FBECZ is available in a small footprint 6-lead SC-70 package, which is suitable for space-constrained designs.

Please note that the answers provided here are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.