ISL95857IRTZ-T

Product Overview

Category

ISL95857IRTZ-T belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for power management purposes.

Characteristics

• Integrated circuit
• Power management functionality
• High efficiency
• Compact size

Package

ISL95857IRTZ-T is available in a small package, typically a thin quad flat no-leads (QFN) package.

Essence

The essence of ISL95857IRTZ-T lies in its ability to efficiently manage power within electronic devices, ensuring optimal performance and energy consumption.

Packaging/Quantity

This product is usually packaged in reels or trays, with a specific quantity per package depending on the manufacturer's specifications.

Specifications

The following are the specifications of ISL95857IRTZ-T:

• Input voltage range: 2.7V to 5.5V
• Output voltage range: 0.6V to 3.3V
• Maximum output current: 4A
• Number of channels: 1
• Switching frequency: 1MHz
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of ISL95857IRTZ-T is as follows:

1. VIN: Input voltage
2. GND: Ground
3. VOUT: Output voltage
4. EN: Enable control
5. FB: Feedback voltage
6. COMP: Compensation
7. SS: Soft-start
8. PG: Power good indicator

Functional Features

ISL95857IRTZ-T offers the following functional features:

• High-efficiency synchronous buck converter
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection
• Power good indicator
• Soft-start function

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Compact size allows for integration into small electronic devices
• Adjustable output voltage provides flexibility in various applications
• Overcurrent and thermal shutdown protection enhance device safety

Disadvantages

• Limited number of channels (only 1)
• Relatively high switching frequency may cause electromagnetic interference in sensitive applications

Working Principles

ISL95857IRTZ-T operates as a synchronous buck converter, converting the input voltage to a lower, adjustable output voltage. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage based on feedback from the FB pin. The integrated circuit incorporates various protection mechanisms, such as overcurrent and thermal shutdown, to ensure safe operation.

Detailed Application Field Plans

ISL95857IRTZ-T finds application in a wide range of electronic devices, including but not limited to:

1. Mobile phones
2. Tablets
3. Portable gaming consoles
4. Digital cameras
5. Portable media players

In these devices, ISL95857IRTZ-T efficiently manages power supply, optimizing performance and extending battery life.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ISL95857IRTZ-T include:

1. LTC3636: Synchronous buck converter with adjustable output voltage and high efficiency.
2. TPS54332: Integrated circuit for power management with overcurrent protection and adjustable output voltage.
3. MAX17503: Compact buck converter with high efficiency and thermal shutdown protection.

These alternative models can be considered based on specific requirements and compatibility with the target application.

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