ISL62881BHRTZ

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: BGA (Ball Grid Array)

Essence: The ISL62881BHRTZ is a voltage regulator IC designed for various applications that require stable and regulated power supply.

Packaging/Quantity: The ISL62881BHRTZ is available in a BGA package and is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.6V to 5.5V
• Maximum Output Current: 8A
• Dropout Voltage: 200mV at 3A
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ISL62881BHRTZ has a total of 32 pins. Here is the detailed pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. VCC: Power supply for internal circuitry
4. EN: Enable pin
5. FB: Feedback pin
6. COMP: Compensation pin
7. SS: Soft-start pin
8. PGND: Power ground
9. BOOT: Bootstrap capacitor connection
10. LX: Switching node
11. BST: Boost capacitor connection
12. PGOOD: Power good indicator 13-32. Reserved pins

Functional Features

• High-efficiency synchronous buck regulator
• Adaptive on-time control architecture
• Internal compensation network
• Programmable soft-start
• Overcurrent protection with hiccup mode
• Thermal shutdown protection
• Power good indicator

Advantages and Disadvantages

Advantages: - High efficiency helps reduce power dissipation - Wide input voltage range allows for versatile applications - Adjustable output voltage provides flexibility - Overcurrent and thermal shutdown protection enhance reliability - Power good indicator aids in system monitoring

Disadvantages: - Limited maximum output current of 8A may not be suitable for high-power applications - BGA package may require specialized equipment for soldering and rework

Working Principles

The ISL62881BHRTZ operates as a synchronous buck regulator, converting the input voltage to a regulated output voltage. It utilizes an adaptive on-time control architecture to achieve high efficiency and fast transient response. The internal compensation network simplifies the design process by eliminating the need for external components. The IC also incorporates overcurrent and thermal shutdown protection mechanisms to ensure safe operation.

Detailed Application Field Plans

The ISL62881BHRTZ is widely used in various electronic devices and systems that require a stable and efficient power supply. Some common application fields include:

1. Personal Computers (PCs) and Servers
2. Networking Equipment
3. Telecommunications Systems
4. Industrial Control Systems
5. Consumer Electronics
6. Automotive Electronics
7. Medical Devices

Detailed and Complete Alternative Models

1. TPS54332: Synchronous Step-Down Converter
2. LT1763: Low Dropout Regulator
3. LM2596: Simple Switcher Power Converter
4. MAX15062: High-Efficiency Step-Down Converter
5. ADP2384: Programmable DC-DC Buck Converter

These alternative models offer similar functionality and can be considered as alternatives to the ISL62881BHRTZ based on specific requirements and design considerations.

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