LTC3862HGN-1

Product Overview

Category

The LTC3862HGN-1 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 power conversion
• Wide input voltage range
• Adjustable output voltage
• Current mode control
• Overcurrent protection
• Thermal shutdown protection

Package

The LTC3862HGN-1 is available in a compact and industry-standard 16-pin SSOP package, which ensures ease of integration into different circuit designs.

Essence

The essence of the LTC3862HGN-1 lies in its ability to provide reliable and efficient power management solutions, enabling optimal performance and stability in electronic devices.

Packaging/Quantity

The LTC3862HGN-1 is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.8V to 24V
• Maximum Continuous Output Current: 3A
• Switching Frequency Range: 100kHz to 1MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3862HGN-1 features the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. FB: Feedback pin for output voltage regulation
4. COMP: Compensation pin for loop stability
5. SS/TR: Soft-start/tracking pin
6. VCC: Supply voltage pin
7. PGND: Power ground pin
8. SW: Switch node pin
9. BOOT: Bootstrap capacitor connection pin
10. BST: Boost capacitor connection pin
11. SS/TR: Soft-start/tracking pin
12. VCC: Supply voltage pin
13. PGND: Power ground pin
14. SW: Switch node pin
15. BOOT: Bootstrap capacitor connection pin
16. BST: Boost capacitor connection pin

Functional Features

• Current mode control for improved stability and transient response
• Adjustable output voltage through external resistors
• Overcurrent protection to safeguard the circuit and load
• Thermal shutdown protection to prevent overheating
• Soft-start feature for controlled startup and reduced inrush current

Advantages and Disadvantages

Advantages

• High efficiency power conversion, reducing energy losses
• Wide input voltage range allows compatibility with various power sources
• Adjustable output voltage provides flexibility for different applications
• Current mode control enhances stability and transient response
• Comprehensive protection features ensure system reliability

Disadvantages

• Limited maximum continuous output current of 3A may not be suitable for high-power applications
• Requires external components for proper operation, increasing overall system complexity

Working Principles

The LTC3862HGN-1 operates based on a current mode control architecture. It regulates the output voltage by continuously monitoring the current flowing through the power switch. By adjusting the duty cycle of the switch, it maintains a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The LTC3862HGN-1 finds extensive application in various fields, including but not limited to: - Industrial automation systems - Telecommunications equipment - Automotive electronics - Power supply modules - Battery charging circuits - LED lighting systems

Detailed and Complete Alternative Models

1. LTC3862HGN: Similar to LTC3862HGN-1, but without certain additional features.
2. LTC3862IGN-1: Similar to LTC3862HGN-1, but in a different package (16-pin SSOP).
3. LTC3862HGN-2: Upgraded version of LTC3862HGN-1 with higher maximum continuous output current (5A).

These alternative models provide options for different requirements and design considerations.

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