ISL62391IRTZ

Product Overview

Category

ISL62391IRTZ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

• High efficiency
• Low quiescent current
• Wide input voltage range
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection

Package

ISL62391IRTZ is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of ISL62391IRTZ lies in its ability to efficiently regulate and control power in various electronic devices.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of ICs.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.3V
• Maximum Output Current: 1.5A
• Quiescent Current: 30µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

ISL62391IRTZ has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin

Functional Features

• Integrated synchronous buck regulator
• Adjustable output voltage through external resistors
• Overcurrent protection prevents damage to the device and connected components
• Thermal shutdown protection safeguards against overheating
• Soft-start feature for controlled power-up

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Wide input voltage range allows compatibility with various power sources
• Adjustable output voltage provides flexibility for different applications
• Overcurrent and thermal shutdown protection enhance device reliability

Disadvantages

• Limited maximum output current may restrict usage in high-power applications
• Quiescent current, although low, still contributes to power consumption

Working Principles

ISL62391IRTZ operates as a synchronous buck regulator. It converts the input voltage to a lower, regulated output voltage using pulse-width modulation (PWM) techniques. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the internal switches to maintain the desired output voltage.

Detailed Application Field Plans

ISL62391IRTZ finds application in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Handheld gaming consoles

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to ISL62391IRTZ include: - TPS54331 - LT1763 - LM2576

These models can be considered based on specific requirements and design constraints.

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