ISL6528CBZS2698

Product Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: CBZS2698
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

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

Detailed Pin Configuration

The ISL6528CBZS2698 has a total of 16 pins. The pin configuration is as follows:

1. VIN: Input Voltage
2. PGND: Power Ground
3. BOOT: Bootstrap Capacitor Connection
4. LX: Switch Node
5. VCC: Supply Voltage for Internal Logic
6. COMP: Compensation Node
7. FB: Feedback Voltage
8. SS/TR: Soft-Start/Tracking Control
9. EN: Enable Control
10. PGOOD: Power Good Indicator
11. AGND: Analog Ground
12. ISENSE+: Positive Current Sense Input
13. ISENSE-: Negative Current Sense Input
14. VDRV: Gate Drive Output
15. VDRV: Gate Drive Output
16. VDRV: Gate Drive Output

Functional Features

• Integrated synchronous buck controller and dual N-channel MOSFETs
• Wide input voltage range suitable for various applications
• Adjustable output voltage with high precision
• Overcurrent protection and thermal shutdown features
• Soft-start and tracking control for smooth power-up

Advantages and Disadvantages

Advantages

• High efficiency resulting in reduced power consumption
• Compact package size for space-constrained designs
• Wide input voltage range allows flexibility in power supply selection
• Comprehensive protection features ensure system reliability

Disadvantages

• Requires external components for proper operation
• Limited output current compared to some other models
• Higher cost compared to non-integrated solutions

Working Principles

The ISL6528CBZS2698 is a voltage regulator that utilizes a synchronous buck controller to efficiently convert the input voltage to a regulated output voltage. The integrated dual N-channel MOSFETs enable high efficiency by minimizing power losses during switching.

The device operates by continuously monitoring the feedback voltage (FB) and adjusting the duty cycle of the internal switches to maintain the desired output voltage. It also incorporates soft-start and tracking control mechanisms to ensure smooth power-up and prevent voltage overshoot.

Detailed Application Field Plans

The ISL6528CBZS2698 is commonly used in various applications, including:

1. Computer motherboards
2. Networking equipment
3. Industrial automation systems
4. Telecommunications infrastructure
5. Consumer electronics

In computer motherboards, it provides efficient power management for the CPU and other critical components. In networking equipment, it ensures stable power supply to routers, switches, and other network devices. In industrial automation systems, it regulates power for PLCs, motor drives, and sensors. In telecommunications infrastructure, it plays a vital role in powering base stations, antennas, and communication modules. Lastly, in consumer electronics, it is utilized in devices such as gaming consoles, set-top boxes, and audio/video equipment.

Detailed and Complete Alternative Models

1. ISL6528CBZ-T: Similar specifications and pin configuration, but with a different package (CBZ)
2. ISL6528CBZS2699: Higher output current capability (up to 10A), otherwise similar specifications and pin configuration
3. ISL6528CBZS2700: Lower switching frequency range (100kHz to 500kHz), otherwise similar specifications and pin configuration

These alternative models provide options for different design requirements while maintaining compatibility with the ISL6528CBZS2698.

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