ISL6558IBZ

Product Overview

Category

ISL6558IBZ belongs to the category of integrated circuits (ICs).

Use

The ISL6558IBZ is commonly used as a voltage regulator in various electronic devices and systems.

Characteristics

• Integrated circuit
• Voltage regulator
• High efficiency
• Wide input voltage range
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection

Package

ISL6558IBZ is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of ISL6558IBZ lies in its ability to regulate voltage efficiently and reliably, ensuring stable power supply to electronic components.

Packaging/Quantity

ISL6558IBZ is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.6V to 5.5V
• Maximum Output Current: 8A
• Switching Frequency: 300kHz to 1MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for output voltage regulation
4. COMP: Compensation pin for stability control
5. SS/TR: Soft-start/Tracking pin for controlled startup and tracking functions
6. EN: Enable pin for turning the regulator on/off
7. VCC: Supply voltage pin for internal circuitry
8. LX: Switching node pin for connecting the external inductor

Functional Features

• Voltage regulation: The ISL6558IBZ ensures a stable output voltage within the specified range, even with varying input voltage and load conditions.
• Overcurrent protection: The IC incorporates overcurrent protection to safeguard the connected components from excessive current flow.
• Thermal shutdown protection: In case of excessive temperature, the ISL6558IBZ automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages

• High efficiency: The ISL6558IBZ offers high efficiency, minimizing power losses during voltage regulation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for various applications.
• Adjustable output voltage: The output voltage can be adjusted as per the requirements of the application.

Disadvantages

• Limited maximum output current: The maximum output current of 8A may not be sufficient for certain high-power applications.
• Requires external components: To function properly, the ISL6558IBZ requires additional external components such as an inductor and capacitors.

Working Principles

The ISL6558IBZ operates based on pulse-width modulation (PWM) techniques. It uses feedback control to compare the actual output voltage with the desired voltage and adjusts the duty cycle of the internal switch accordingly. This regulates the output voltage within the specified range.

Detailed Application Field Plans

The ISL6558IBZ finds applications in various electronic devices and systems, including but not limited to: - Power supplies for computer systems - Industrial automation equipment - Telecommunications infrastructure - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

1. ISL6558CBZ: Similar to ISL6558IBZ, but available in a different package (SOIC-16).
2. ISL6558EBZ: Enhanced version of ISL6558IBZ with additional features such as adjustable soft-start time and precision enable threshold.

These alternative models offer similar functionality and can be used as substitutes for ISL6558IBZ in different applications.

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