ISL6609AIRZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency synchronous buck controller - Wide input voltage range - Adjustable output voltage - Current mode control - Overcurrent protection - Thermal shutdown protection

Package: 16-Lead QFN (Quad Flat No-Lead)

Essence: The ISL6609AIRZ-T is a high-performance synchronous buck controller designed for power management applications. It provides efficient and reliable voltage regulation with a wide input voltage range.

Packaging/Quantity: The ISL6609AIRZ-T is available in a 16-Lead QFN package. The quantity per reel is typically 2500 units.

Specifications

• Input Voltage Range: 4.5V to 24V
• Output Voltage Range: 0.6V to VIN
• Switching Frequency: 200kHz to 1MHz
• Operating Temperature Range: -40°C to +85°C
• Maximum Duty Cycle: 95%
• Quiescent Current: 2.5mA

Detailed Pin Configuration

The ISL6609AIRZ-T has the following pin configuration:

1. VCC - Power supply input
2. GND - Ground
3. FB - Feedback voltage input
4. COMP - Compensation node for loop stability
5. SS/TR - Soft-start/Tracking input
6. SYNC - Synchronization input
7. EN - Enable input
8. PG - Power good output
9. BOOT - Bootstrap capacitor connection
10. LX - Switching node connection
11. AGND - Analog ground
12. RT - Timing resistor connection
13. CT - Timing capacitor connection
14. OCSET - Overcurrent threshold setting
15. SS/TR - Soft-start/Tracking input
16. VCC - Power supply input

Functional Features

• High efficiency power conversion
• Adjustable output voltage for flexibility
• Current mode control for improved stability
• Overcurrent protection to prevent damage
• Thermal shutdown protection for safety

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile applications - High efficiency results in reduced power consumption - Current mode control improves stability and transient response - Overcurrent and thermal shutdown protection enhance reliability

Disadvantages: - Limited maximum duty cycle may restrict certain applications - Quiescent current of 2.5mA may be relatively high for low-power designs

Working Principles

The ISL6609AIRZ-T operates as a synchronous buck controller, regulating the output voltage based on the feedback received from the FB pin. It uses current mode control to maintain stability and provide fast transient response. The controller monitors the load current and adjusts the duty cycle accordingly to regulate the output voltage.

Detailed Application Field Plans

The ISL6609AIRZ-T is commonly used in various power management applications, including but not limited to: - DC-DC converters - Voltage regulators - Power supplies - Battery chargers

Its wide input voltage range and adjustable output voltage make it suitable for a wide range of applications requiring efficient power conversion.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the ISL6609AIRZ-T are: - LTC3880: Synchronous step-down DC/DC controller with integrated MOSFET drivers - TPS54360: Wide input voltage range synchronous buck converter - MAX15062: High-efficiency synchronous buck controller with integrated MOSFET drivers

These alternative models offer similar functionalities and can be used as substitutes depending on specific requirements and design considerations.

Word count: 411