ISL6551ARZ-T

Product Overview

Category

ISL6551ARZ-T belongs to the category of voltage regulators.

Use

It is commonly used in electronic devices to regulate and control voltage levels.

Characteristics

• High efficiency
• Low power consumption
• Compact size
• Wide input voltage range
• Overcurrent protection
• Thermal shutdown protection

Package

ISL6551ARZ-T is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of ISL6551ARZ-T lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

ISL6551ARZ-T is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.6V to 5.5V
• Maximum Output Current: 10A
• Operating Temperature Range: -40°C to +85°C
• Switching Frequency: 300kHz

Detailed Pin Configuration

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

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency ensures minimal power loss.
• Overcurrent protection safeguards against excessive current flow.
• Thermal shutdown protection prevents overheating.
• Soft-start feature enables gradual voltage ramp-up during startup.
• Power good indicator provides feedback on the output voltage status.

Advantages and Disadvantages

Advantages

• High efficiency leads to energy savings.
• Compact size allows for space-efficient designs.
• Wide input voltage range accommodates various power sources.
• Overcurrent and thermal protection enhance system reliability.
• Soft-start feature prevents inrush current during startup.

Disadvantages

• Limited maximum output current may restrict certain high-power applications.
• Higher cost compared to non-regulated voltage solutions.

Working Principles

ISL6551ARZ-T operates based on a pulse-width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the internal switching transistor. The feedback pin continuously monitors the output voltage and provides feedback to the control circuit, which adjusts the duty cycle accordingly. This control mechanism ensures a stable and regulated output voltage.

Detailed Application Field Plans

ISL6551ARZ-T finds application in various electronic devices, including: - Power supplies - Battery chargers - Industrial equipment - Automotive electronics - Telecommunications systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to ISL6551ARZ-T are: - LM2576-ADJ - LT1084CP-5 - TPS5430DDA - MAX15006BASA+

These models offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, ISL6551ARZ-T is a voltage regulator with a wide input voltage range, high efficiency, and various protection features. Its compact size and versatile applications make it suitable for a range of electronic devices. However, its limited maximum output current and higher cost should be taken into consideration when selecting an alternative model.