ISL88021IU8FAZ

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low power consumption - Small form factor - Wide input voltage range - Multiple protection features

Package: IU8FAZ

Essence: The ISL88021IU8FAZ is a power management integrated circuit designed for efficient power conversion and management in various electronic devices.

Packaging/Quantity: The ISL88021IU8FAZ is available in a small, surface-mount package. The quantity per package may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 0.6V to VIN
• Maximum Output Current: 3A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C
• Protection Features: Overcurrent protection, overtemperature protection, undervoltage lockout, short-circuit protection

Detailed Pin Configuration

The ISL88021IU8FAZ has the following pin configuration:

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

Functional Features

• High-efficiency synchronous buck converter
• Adjustable output voltage
• Soft-start function for controlled startup
• Power good indicator for system monitoring
• Overcurrent and short-circuit protection
• Undervoltage lockout for safe operation
• Thermal shutdown protection

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for versatile applications - Small form factor enables compact designs - Multiple protection features ensure safe operation

Disadvantages: - Limited maximum output current (3A) - Operating temperature range may not be suitable for extreme environments

Working Principles

The ISL88021IU8FAZ operates as a synchronous buck converter, converting the input voltage to a lower, adjustable output voltage. It utilizes high-efficiency power MOSFETs and control circuitry to minimize power losses. The feedback mechanism ensures stable output voltage regulation, while the soft-start function controls the startup sequence. The integrated protection features safeguard the IC and the connected system from overcurrent, short-circuit, and thermal issues.

Detailed Application Field Plans

The ISL88021IU8FAZ is widely used in various electronic devices that require efficient power management. Some of its application fields include: - Portable electronic devices (e.g., smartphones, tablets) - Battery-powered systems - Industrial automation equipment - IoT devices - Consumer electronics

Detailed and Complete Alternative Models

1. ISL88022IU8FAZ
2. ISL88023IU8FAZ
3. ISL88024IU8FAZ
4. ISL88025IU8FAZ
5. ISL88026IU8FAZ

These alternative models offer similar functionality and characteristics to the ISL88021IU8FAZ, providing flexibility in design and application.

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