ISL6264CRZ

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: Small Outline Integrated Circuit (SOIC)

Essence: The ISL6264CRZ is a voltage regulator IC designed for various applications that require stable and regulated power supply.

Packaging/Quantity: The ISL6264CRZ is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 4A
• Dropout Voltage: 200mV at 1A
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-8

Detailed Pin Configuration

The ISL6264CRZ has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin to control the regulator's operation
5. SS: Soft-start pin for gradual startup
6. PG: Power Good pin indicating output voltage stability
7. VOUT: Output voltage pin
8. BST: Boost pin for high-side MOSFET gate drive

Functional Features

• High Efficiency: The ISL6264CRZ offers high efficiency, minimizing power loss and maximizing battery life.
• Low Dropout Voltage: The regulator maintains a low dropout voltage, ensuring stable output even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The IC can operate with input voltages ranging from 2.7V to 5.5V, making it suitable for a wide range of applications.
• Adjustable Output Voltage: The output voltage can be adjusted within the specified range to meet the requirements of different devices.
• Overcurrent Protection: The ISL6264CRZ incorporates overcurrent protection to safeguard against excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature, the regulator automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Wide input voltage range allows for versatile use. - Adjustable output voltage provides flexibility. - Overcurrent and thermal shutdown protection enhance safety.

Disadvantages: - Limited maximum output current (4A). - Dropout voltage may affect performance in low input voltage scenarios.

Working Principles

The ISL6264CRZ operates as a step-down voltage regulator. It takes an input voltage and regulates it to a lower, stable output voltage. This is achieved through a combination of internal circuitry, feedback control, and switching components. The regulator continuously monitors the output voltage and adjusts the internal switching elements to maintain the desired output voltage level.

Detailed Application Field Plans

The ISL6264CRZ finds application in various electronic devices that require regulated power supply, such as: 1. Mobile phones 2. Tablets 3. Portable media players 4. Digital cameras 5. Wireless communication devices

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with higher output current capability.
2. LT1084: Low dropout voltage regulator with adjustable output voltage.
3. TPS5430: Synchronous buck converter with high efficiency and adjustable output voltage.

These alternative models offer similar functionality to the ISL6264CRZ and can be considered based on specific application requirements.

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