LTC3862EFE-2#PBF

Product Overview

Category

The LTC3862EFE-2#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

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

Characteristics

• High efficiency: The LTC3862EFE-2#PBF offers excellent power conversion efficiency, minimizing energy losses during voltage regulation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse power supply applications.
• Adjustable output voltage: The device allows users to adjust the output voltage according to their specific requirements.
• Fast transient response: The LTC3862EFE-2#PBF exhibits a fast response to sudden changes in load conditions, ensuring stable power delivery.

Package

This product is available in a small form factor package, known as the 28-lead TSSOP (Thin Shrink Small Outline Package).

Essence

The LTC3862EFE-2#PBF is an essential component in power management systems, enabling efficient voltage regulation and reliable power delivery.

Packaging/Quantity

The LTC3862EFE-2#PBF is typically packaged in reels, with each reel containing a specified quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 4V to 38V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 3A
• Switching Frequency: Up to 1MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3862EFE-2#PBF features a 28-lead TSSOP package with the following pin configuration:

1. VIN: Input voltage
2. GND: Ground reference
3. SW: Switching node connection
4. FB: Feedback voltage input
5. SS: Soft-start capacitor connection
6. VCC: Supply voltage for internal circuitry
7. PGND: Power ground reference
8. SYNC: Synchronization input
9. EN: Enable control input
10. RT/CLKOUT: External resistor or clock output
11. CLKIN: Clock input
12. VFB: Feedback voltage output
13. ITH: Current sense threshold setting
14. SS/TRK: Soft-start/tracking control
15. VSENSE: Current sense input
16. VOUT: Output voltage

Functional Features

• Constant voltage (CV) and constant current (CC) operation modes
• Adjustable output voltage and current limits
• Overvoltage and overcurrent protection
• Programmable soft-start and tracking functions
• Synchronization capability with an external clock signal
• Fault flag indicator for easy system monitoring

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power dissipation and improved energy savings.
• Wide input voltage range allows for versatile application scenarios.
• Fast transient response ensures stable power delivery during load changes.
• Compact package size enables space-efficient designs.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires additional external components for proper operation.
• Relatively higher cost compared to some alternative models.

Working Principles

The LTC3862EFE-2#PBF operates based on a pulse-width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the internal power switch, which controls the energy transfer from the input to the output. The device continuously monitors the output voltage and adjusts the duty cycle accordingly to maintain the desired voltage level.

Detailed Application Field Plans

The LTC3862EFE-2#PBF finds applications in various fields, including but not limited to: 1. Industrial automation systems 2. Telecommunications equipment 3. Automotive electronics 4. Portable electronic devices 5. Power supply modules

In industrial automation systems, this IC can be used for efficient power management in motor control circuits. In telecommunications equipment, it enables stable and reliable power supply for network infrastructure components. In automotive electronics, it contributes to efficient power conversion in electric vehicle charging systems. In portable electronic devices, it helps optimize battery life by regulating power consumption. Lastly, in power supply modules, it ensures accurate voltage regulation for different loads.

Detailed and Complete Alternative Models

1. LT8610ABEMSE#PBF: This IC offers similar functionality with a higher maximum output current of 5A.
2. LT8640SIFE#PBF: This model provides a wider input voltage range and higher switching frequency compared to the LTC3862EFE-2#PBF.
3. LT3976EMSE#PBF: This alternative features a