LTC3879EUD#PBF

Product Overview

Category

The LTC3879EUD#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices and systems to efficiently regulate and control power supply voltages.

Characteristics

• High efficiency: The LTC3879EUD#PBF offers high conversion efficiency, minimizing power losses during voltage regulation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Adjustable output voltage: The IC allows for flexible adjustment of the output voltage according to specific requirements.
• Current limit protection: It incorporates current limit protection features to prevent damage due to excessive current flow.
• Thermal shutdown: The LTC3879EUD#PBF includes thermal shutdown functionality to safeguard against overheating.

Package

The LTC3879EUD#PBF is available in a small form factor package, which facilitates easy integration into compact electronic designs.

Essence

The essence of the LTC3879EUD#PBF lies in its ability to efficiently regulate power supply voltages, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

This IC is typically packaged in tape and reel format, with a specified quantity per reel. Please refer to the manufacturer's documentation for precise details.

Specifications

• Input Voltage Range: 4V to 60V
• Output Voltage Range: 0.8V to 24V
• Maximum Output Current: 10A
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3879EUD#PBF features a standard pin configuration as follows:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin to control the IC's operation
5. VOUT: Output voltage pin
6. SW: Switching node pin for power transfer
7. SS: Soft-start pin for gradual power-up
8. PGND: Power ground reference pin

Functional Features

• Wide input voltage range allows for compatibility with various power sources.
• Adjustable output voltage enables customization according to specific requirements.
• High switching frequency enables compact and efficient designs.
• Current limit protection prevents damage due to excessive current flow.
• Thermal shutdown feature protects against overheating.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power losses.
• Wide input voltage range enhances versatility.
• Adjustable output voltage provides flexibility.
• Current limit protection ensures device safety.
• Thermal shutdown feature prevents overheating.

Disadvantages

• May require additional external components for certain applications.
• Limited maximum output current compared to some other ICs in the same category.

Working Principles

The LTC3879EUD#PBF operates based on a pulse-width modulation (PWM) control scheme. It utilizes an internal oscillator to generate high-frequency switching signals, which are then used to regulate the output voltage. By adjusting the duty cycle of these signals, the IC controls the power transfer from the input to the output, achieving the desired voltage regulation.

Detailed Application Field Plans

The LTC3879EUD#PBF finds extensive application in various fields, including but not limited to: 1. Industrial automation systems 2. Telecommunications equipment 3. Automotive electronics 4. Renewable energy systems 5. Consumer electronics

In industrial automation systems, this IC can be used to regulate power supply voltages for motor drives, sensors, and control circuits. In telecommunications equipment, it can ensure stable power delivery to network devices and communication modules. In automotive electronics, the LTC3879EUD#PBF can be employed for power management in electric vehicles, infotainment systems, and advanced driver-assistance systems (ADAS). Renewable energy systems can benefit from this IC's voltage regulation capabilities for solar inverters and wind turbine control. Lastly, in consumer electronics, it can be utilized for power supply regulation in smartphones, tablets, and other portable devices.

Detailed and Complete Alternative Models

1. LT8610ABEMSE#PBF: This IC offers similar functionality with a higher maximum output current of 15A.
2. LT8645SIV#PBF: Provides comparable features with an extended input voltage range up to 80V.
3. LT8609SIV#PBF: Offers similar characteristics with a lower switching frequency for reduced electromagnetic interference (EMI).
4. LT8364HFE#PBF: Suitable alternative with a wider operating temperature range (-40°C to 150°C).

These alternative models provide options based on specific requirements, such as higher output current, extended input voltage range, reduced EMI, or wider operating temperature range. It