LTC3890HUH-2#TRPBF

Product Overview

Category

The LTC3890HUH-2#TRPBF 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 LTC3890HUH-2#TRPBF is available in a compact and industry-standard 28-pin QFN package, which ensures ease of integration into different circuit designs.

Essence

The essence of the LTC3890HUH-2#TRPBF lies in its ability to provide reliable and efficient power management solutions for a wide range of electronic applications.

Packaging/Quantity

This IC 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 LTC3890HUH-2#TRPBF features a total of 28 pins, each serving a specific function within the power management system. The detailed pin configuration is as follows:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. VOUT: Output voltage pin
4. FB: Feedback pin for output voltage regulation
5. COMP: Compensation pin for stability control
6. SS/TR: Soft-start/Tracking pin
7. SYNC: Synchronization pin for external clock input
8. RT/CLKOUT: External resistor or clock output pin
9. CLKIN: Clock input pin
10. VCC: Supply voltage pin for internal control circuitry
11. PGND: Power ground pin 12-28. Other pins with various functions

Functional Features

The LTC3890HUH-2#TRPBF offers several functional features that make it a versatile power management solution:

1. High Efficiency: The IC incorporates advanced power conversion techniques, resulting in high efficiency and reduced power losses.
2. Wide Input Voltage Range: It can handle a wide range of input voltages, making it suitable for diverse applications.
3. Adjustable Output Voltage: The output voltage can be easily adjusted to meet specific requirements.
4. Current Mode Control: The IC utilizes current mode control for improved stability and response.
5. Overcurrent Protection: It includes built-in protection mechanisms to prevent damage from excessive currents.
6. Thermal Shutdown Protection: The IC is equipped with thermal shutdown protection to safeguard against overheating.

Advantages and Disadvantages

Advantages

• High efficiency power conversion leads to energy savings.
• Wide input voltage range allows for compatibility with various power sources.
• Adjustable output voltage provides flexibility in system design.
• Current mode control enhances stability and response.
• Built-in overcurrent and thermal shutdown protection ensure system reliability.

Disadvantages

• Limited maximum continuous output current may restrict usage in high-power applications.
• Complex pin configuration may require careful consideration during circuit design.

Working Principles

The LTC3890HUH-2#TRPBF operates based on the principles of switching power conversion. It utilizes a combination of control circuitry, power switches, and passive components to regulate and convert input voltage into a desired output voltage. The IC employs a current mode control scheme to maintain stable operation and respond to load variations effectively.

Detailed Application Field Plans

The LTC3890HUH-2#TRPBF finds applications in various fields, including but not limited to:

1. Industrial Automation: Power management for motor control systems, PLCs, and industrial equipment.
2. Automotive Electronics: Voltage regulation for automotive infotainment systems, lighting, and powertrain control modules.
3. Telecommunications: Power supply solutions for base stations, routers, and communication infrastructure.
4. Renewable Energy: Efficient power conversion for solar inverters and wind turbine systems.
5. Consumer Electronics: Voltage regulation for portable devices, home appliances, and audio/video equipment.

Detailed and Complete Alternative Models

1. LTC3890HUH-1#TRPBF
2. LTC3890HUH-3#TRPBF
3. LTC3890HUH-4#TRPBF
4. LTC3890HUH-5#TRPBF
5. LTC3890HUH-6#TRPBF

These alternative models offer similar functionality and characteristics, providing options for different system requirements.

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