LTC3862EGN-2

Product Overview

Category

The LTC3862EGN-2 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is primarily used in various power management systems, including but not limited to voltage regulators, power supplies, and battery charging circuits.

Characteristics

• High efficiency: The LTC3862EGN-2 offers high conversion efficiency, ensuring optimal power utilization.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Adjustable output voltage: The output voltage can be easily adjusted to meet specific requirements.
• Current mode control: This IC utilizes current mode control for improved stability and response.

Package

The LTC3862EGN-2 is available in a compact and industry-standard 16-pin SSOP package. This package ensures easy integration into existing circuit designs.

Essence

The essence of the LTC3862EGN-2 lies in its ability to efficiently regulate and manage power in various electronic systems. It provides stable and reliable power supply, contributing to the overall performance and longevity of the devices it is employed in.

Packaging/Quantity

The LTC3862EGN-2 is typically sold in reels or tubes, with each reel/tube containing a specified quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 4V to 60V
• Output Voltage Range: 0.8V to 24V
• Maximum Output Current: 5A
• Switching Frequency: Up to 1MHz
• Operating Temperature Range: -40°C to 125°C
• Control Method: Current Mode Control
• Protection Features: Overcurrent Protection, Overvoltage Protection, Undervoltage Lockout

Detailed Pin Configuration

The LTC3862EGN-2 features a 16-pin SSOP package with the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. FB: Feedback Pin
4. COMP: Compensation Pin
5. VCC: Supply Voltage
6. SS/TR: Soft-Start/Tracking Pin
7. SYNC: Synchronization Pin
8. RT/CLKOUT: Timing Resistor/Clock Output
9. CLKIN: Clock Input
10. SW: Switch Node
11. PGND: Power Ground
12. BOOT: Bootstrap Pin
13. LX: Inductor Connection
14. SS/TR: Soft-Start/Tracking Pin
15. VCC: Supply Voltage
16. VIN: Input Voltage

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency conversion ensures optimal power utilization.
• Current mode control provides stability and improved response.
• Protection features safeguard against overcurrent and overvoltage conditions.
• Soft-start and tracking functionality enable controlled startup and shutdown sequences.
• Synchronization capability allows for synchronization with an external clock source.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and heat dissipation.
• Wide input voltage range enables compatibility with various power sources.
• Current mode control enhances stability and transient response.
• Protection features ensure system reliability and component longevity.
• Compact package facilitates easy integration into circuit designs.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires additional external components for complete power management solutions.

Working Principles

The LTC3862EGN-2 operates based on a current mode control architecture. It regulates the output voltage by adjusting the duty cycle of the internal switch, which controls the energy transfer from the input to the output. The feedback loop continuously monitors the output voltage and adjusts the duty cycle accordingly to maintain a stable output.

Detailed Application Field Plans

The LTC3862EGN-2 finds applications in various fields, including: 1. Industrial automation systems 2. Automotive electronics 3. Telecommunications equipment 4. Renewable energy systems 5. Consumer electronics

In industrial automation systems, it can be used for power supply regulation in motor control circuits. In automotive electronics, it can regulate voltage in battery charging systems. In telecommunications equipment, it can provide stable power for network infrastructure. In renewable energy systems, it can be utilized for efficient power conversion from solar panels or wind turbines. In consumer electronics, it can be employed in portable devices and power banks.

Detailed and Complete Alternative Models

1. LTC3862EGN: Similar to LTC3862EGN-2 but without the "-2" suffix.
2. LTC3862IGN: Similar functionality with a different package (16-pin SSOP).
3. LTC3862HGN: Higher maximum output current (up to 8A) with similar specifications.
4. LTC3862EGN-3: Lower maximum output current (up to