LT3517HFE#TRPBF

Product Overview

Category

The LT3517HFE#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: The LT3517HFE#TRPBF offers excellent power conversion efficiency, minimizing energy losses during voltage regulation.
• Wide input voltage range: It can handle a broad range of input voltages, making it suitable for diverse power supply applications.
• Compact package: The IC is available in a small form factor package, enabling space-saving designs.
• Robustness: It is designed to withstand harsh operating conditions, ensuring reliable performance even in demanding environments.

Package and Quantity

The LT3517HFE#TRPBF is typically packaged in a compact and industry-standard 16-pin TSSOP package. It is commonly available in reels containing a specified quantity of ICs, usually around 2500 units per reel.

Specifications

The LT3517HFE#TRPBF exhibits the following specifications:

• Input Voltage Range: 4.5V to 100V
• Output Voltage Range: 0.8V to 80V
• Maximum Output Current: 3A
• Switching Frequency: Up to 1MHz
• Operating Temperature Range: -40°C to 125°C
• Control Method: Constant current, constant voltage

Pin Configuration

The LT3517HFE#TRPBF features a 16-pin TSSOP package with the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. SW: Switch node connection
4. FB: Feedback pin for regulating output voltage
5. VCC: Supply voltage for internal control circuitry
6. VREF: Reference voltage output
7. COMP: Compensation pin for stability optimization
8. SS: Soft-start capacitor connection
9. RT/CLK: External resistor or clock input for frequency control
10. SYNC: Synchronization input for multiple ICs
11. EN/UVLO: Enable pin for turning the IC on/off or for undervoltage lockout
12. PGND: Power ground reference pin
13. LX: Inductor connection
14. BST: Boost capacitor connection
15. VOUT: Output voltage pin
16. ADJ: Adjustable pin for fine-tuning output voltage

Functional Features

The LT3517HFE#TRPBF offers several functional features, including:

• Wide input voltage range allows compatibility with various power sources.
• High switching frequency capability enables compact designs and reduces the size of external components.
• Integrated compensation circuitry simplifies design and improves stability.
• Adjustable output voltage provides flexibility in meeting specific application requirements.
• Synchronization capability allows multiple ICs to operate in a coordinated manner.

Advantages and Disadvantages

Advantages

• High efficiency results in reduced power dissipation and improved energy savings.
• Wide input voltage range enhances versatility and compatibility with different power sources.
• Compact package facilitates space-constrained designs.
• Robustness ensures reliable performance in challenging environments.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Higher switching frequencies can introduce additional electromagnetic interference (EMI) concerns.
• Complex pin configuration may require careful consideration during PCB layout.

Working Principles

The LT3517HFE#TRPBF operates based on a switching regulator topology. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage. The IC continuously monitors the feedback signal and adjusts the duty cycle of the switching transistor to maintain a stable output voltage, even with varying input conditions.

Detailed Application Field Plans

The LT3517HFE#TRPBF finds applications in various fields, including:

1. Industrial automation: Power supply regulation for control systems and motor drives.
2. Automotive electronics: Voltage regulation for automotive lighting systems and infotainment devices.
3. Telecommunications: Power management for network equipment and communication devices.
4. Renewable energy: Efficient power conversion in solar energy systems and wind turbines.
5. Consumer electronics: Voltage regulation for portable devices, such as smartphones and tablets.

Alternative Models

For those seeking alternative options, the following models provide similar functionality to the LT3517HFE#TRPBF:

1. LT3518HFE#TRPBF
2. LT3519HFE#TRPBF
3. LT3516HFE#TRPBF
4. LT3515HFE#TRPBF

These alternatives offer comparable specifications and features, providing flexibility in selecting the most suitable IC for specific applications.

In conclusion, the LT3517HFE#TRPBF is a highly efficient integrated circuit designed for power management