ISL88021IU8HFZ

Product Overview

Category

ISL88021IU8HFZ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage regulation and power management.

Characteristics

• Integrated circuit
• Voltage regulation
• Power management

Package

ISL88021IU8HFZ is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of ISL88021IU8HFZ lies in its ability to regulate voltage and manage power efficiently.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 1A
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 95%
• Switching Frequency: 1.5MHz

Detailed Pin Configuration

ISL88021IU8HFZ has the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. FB: Feedback pin for voltage regulation
4. EN: Enable pin for turning the device on/off
5. SW: Switching node for power management
6. PGND: Power ground
7. VOUT: Output voltage
8. COMP: Compensation pin for stability control

Functional Features

• Wide input voltage range for compatibility with various power sources
• High efficiency for optimal power management
• Adjustable output voltage for flexibility in different applications
• Enable pin for easy on/off control
• Stable voltage regulation through feedback mechanism
• Compact size for space-constrained designs

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile use
• High efficiency minimizes power loss
• Adjustable output voltage provides flexibility
• Compact size enables integration in small devices

Disadvantages

• Limited maximum output current of 1A may not be suitable for high-power applications
• Operating temperature range may restrict usage in extreme environments

Working Principles

ISL88021IU8HFZ operates based on a switching regulator topology. It uses a feedback mechanism to regulate the output voltage according to the desired setpoint. The device converts the input voltage to the required output voltage by controlling the switching of an internal power transistor. This switching action, combined with inductors and capacitors, efficiently manages the power flow and maintains a stable output voltage.

Detailed Application Field Plans

ISL88021IU8HFZ finds applications in various electronic devices that require voltage regulation and power management. Some specific application fields include:

1. Mobile devices: Smartphones, tablets, portable media players
2. Computer peripherals: USB hubs, external hard drives
3. Industrial equipment: Sensors, actuators, control systems
4. Automotive electronics: Infotainment systems, lighting controls
5. Home appliances: Smart thermostats, energy-efficient devices

Detailed and Complete Alternative Models

1. ISL88022IU8HFZ: Similar to ISL88021IU8HFZ but with a higher maximum output current of 2A.
2. ISL88023IU8HFZ: Similar to ISL88021IU8HFZ but with a wider input voltage range of 2.7V to 36V.
3. ISL88024IU8HFZ: Similar to ISL88021IU8HFZ but with a lower switching frequency of 500kHz.

These alternative models provide options with different specifications to suit specific application requirements.

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