ISL6549CAZR5213

Product Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: Surface Mount
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 5.5V
• Output Voltage Range: 0.8V to 3.3V
• Maximum Output Current: 3A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISL6549CAZR5213 has a total of 16 pins. The pin configuration is as follows:

1. VIN: Input Voltage
2. GND: Ground
3. FB: Feedback Voltage
4. COMP: Compensation
5. SS: Soft-Start
6. EN: Enable
7. PGND: Power Ground
8. VCC: Supply Voltage
9. LX: Switch Node
10. BOOT: Bootstrap
11. BST: Boost Voltage
12. AGND: Analog Ground
13. OCSET: Overcurrent Set
14. OCP: Overcurrent Protection
15. PGOOD: Power Good
16. VREF: Reference Voltage

Functional Features

• High Efficiency: The ISL6549CAZR5213 offers high efficiency power conversion, minimizing energy loss.
• Low Power Consumption: The integrated circuit consumes low power during operation, reducing overall power consumption.
• Overcurrent Protection: The device includes overcurrent protection to prevent damage to the circuitry in case of excessive current flow.
• Power Good Indicator: The Power Good (PGOOD) pin provides an indication of the output voltage stability, ensuring reliable operation.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low power consumption - Overcurrent protection - Power good indicator for reliable operation

Disadvantages: - Limited input voltage range (4.5V to 5.5V) - Limited output voltage range (0.8V to 3.3V)

Working Principles

The ISL6549CAZR5213 is a voltage regulator that converts the input voltage to a regulated output voltage. It utilizes a switching frequency of 500kHz to efficiently control the power conversion process. The feedback voltage (FB) pin monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output. The compensation (COMP) pin allows fine-tuning of the control loop for optimal performance.

Detailed Application Field Plans

The ISL6549CAZR5213 is commonly used in various applications, including:

1. Computer Motherboards: The voltage regulator provides stable power supply to the motherboard components, ensuring reliable operation.
2. Telecommunications Equipment: It is used in telecom devices to regulate the voltage for efficient power management.
3. Industrial Control Systems: The integrated circuit is suitable for industrial control systems that require precise voltage regulation.
4. Consumer Electronics: It finds application in consumer electronic devices such as gaming consoles, set-top boxes, and audio equipment.

Detailed and Complete Alternative Models

1. ISL6549CBZ
2. ISL6549CAZ
3. ISL6549CBZA
4. ISL6549CAZA

These alternative models offer similar functionality and can be considered as alternatives to the ISL6549CAZR5213.

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