LTC3884IRHE-1#TRPBF

Product Overview

Category

The LTC3884IRHE-1#TRPBF belongs to the category of power management integrated circuits (PMICs).

Use

This PMIC is primarily used for voltage regulation and power management in various electronic devices.

Characteristics

• High efficiency: The LTC3884IRHE-1#TRPBF offers high conversion efficiency, minimizing power losses.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Flexible output voltage control: The PMIC allows for precise control of the output voltage, catering to different device requirements.
• Advanced protection features: It incorporates various protection mechanisms such as overvoltage, undervoltage, and overcurrent protection, ensuring safe operation.

Package

The LTC3884IRHE-1#TRPBF comes in a compact and robust package, designed to withstand harsh operating conditions.

Essence

The essence of this PMIC lies in its ability to efficiently regulate and manage power supply, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

The LTC3884IRHE-1#TRPBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 38V
• Output Voltage Range: 0.6V to 5.5V
• Maximum Output Current: 20A
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3884IRHE-1#TRPBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. FB: Feedback pin for output voltage regulation
5. EN: Enable pin to control the PMIC's operation
6. PG: Power good indicator pin
7. SS: Soft-start pin for gradual power-up
8. ISET: Current limit setting pin

Functional Features

• Voltage Regulation: The LTC3884IRHE-1#TRPBF provides precise voltage regulation, ensuring stable and accurate output voltages.
• Current Limiting: It incorporates current limiting functionality to protect the device and load from excessive currents.
• Fault Protection: The PMIC offers comprehensive fault protection features, including overvoltage, undervoltage, and overcurrent protection.
• Power Good Indicator: The PG pin indicates the status of the output voltage, providing a signal for system monitoring.
• Soft-Start: The SS pin enables a controlled and gradual power-up sequence, preventing sudden voltage surges.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and longer battery life.
• Wide input voltage range allows for compatibility with various power sources.
• Advanced protection mechanisms ensure safe operation and prevent damage to devices.
• Compact package design facilitates integration into space-constrained applications.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Higher cost compared to simpler voltage regulators.

Working Principles

The LTC3884IRHE-1#TRPBF operates based on a switching regulator topology. It utilizes high-frequency switching to efficiently convert the input voltage to the desired output voltage. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle of the switching circuit to maintain the desired voltage level. This ensures a stable and regulated output voltage despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The LTC3884IRHE-1#TRPBF finds applications in various electronic devices that require efficient power management and voltage regulation. Some specific application fields include:

1. Industrial Automation: Power supply units for industrial automation systems can benefit from the LTC3884IRHE-1#TRPBF's high efficiency and robust protection features.
2. Telecommunications: The PMIC can be used in telecommunications equipment, such as routers and switches, to ensure stable and reliable power delivery.
3. Automotive Electronics: In automotive applications, the LTC3884IRHE-1#TRPBF can regulate voltages for various subsystems, enhancing overall system performance and reliability.
4. Consumer Electronics: Devices like gaming consoles, set-top boxes, and audio/video equipment can utilize this PMIC for efficient power management.

Detailed and Complete Alternative Models

1. LTC3880: Similar to the LTC3884IRHE-1#TRPBF, this PMIC offers high efficiency and advanced protection features. It has a slightly lower maximum output current of 15A.
2. LT8614: This PMIC provides high efficiency and a wide input voltage range. It is specifically designed for automotive applications, offering enhanced ruggedness and reliability.
3. TPS54332