LT3517EUF#TRPBF

Product Overview

Category

The LT3517EUF#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 management
• Wide input voltage range
• Adjustable output voltage
• Current mode control
• Internal compensation network
• Thermal shutdown protection

Package

The LT3517EUF#TRPBF is available in a small form factor 24-pin plastic QFN package, which ensures ease of integration into compact electronic designs.

Essence

The essence of LT3517EUF#TRPBF lies in its ability to provide efficient power management solutions by regulating input voltages and delivering stable output voltages.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 3V to 30V
• Output Voltage Range: 1.2V to 30V
• Maximum Switching Frequency: 1MHz
• Maximum Output Current: 3A
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3517EUF#TRPBF has a total of 24 pins. The pin configuration is as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. SW: Switch node connection pin
4. FB: Feedback pin for output voltage regulation
5. VCC: Supply voltage pin for internal circuitry
6. COMP: Compensation pin for stability control
7. SS: Soft-start pin for gradual power-up
8. RT: External resistor connected to set switching frequency
9. SYNC: Synchronization pin for external clock input
10. EN/UVLO: Enable/Undervoltage lockout pin
11. VOUT: Output voltage pin

Functional Features

• High efficiency power conversion
• Adjustable output voltage through feedback control
• Current mode control for improved stability and transient response
• Internal compensation network simplifies design
• Soft-start feature for controlled power-up
• Synchronization capability with external clock source
• Enable/Undervoltage lockout protection

Advantages and Disadvantages

Advantages

• High efficiency power management
• Wide input voltage range allows versatility in applications
• Adjustable output voltage provides flexibility
• Compact package size enables integration in space-constrained designs
• Internal compensation network simplifies circuit design

Disadvantages

• Limited maximum output current of 3A may not be suitable for high-power applications
• Requires additional external components for proper operation

Working Principles

The LT3517EUF#TRPBF 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 IC continuously monitors the feedback voltage and adjusts the switching frequency accordingly to maintain stable output voltage regulation.

Detailed Application Field Plans

The LT3517EUF#TRPBF finds application in various fields, including but not limited to: - Power supplies for industrial equipment - LED lighting systems - Automotive electronics - Portable electronic devices - Battery charging circuits

Detailed and Complete Alternative Models

1. LT3517EUF#PBF: Similar to LT3517EUF#TRPBF, but without tape and reel packaging.
2. LT3517IMSE#PBF: Similar functionality in a different package (MSOP-16).
3. LT3517EUFD#PBF: Enhanced version with additional features and improved performance.

These alternative models provide similar power management capabilities and can be considered as substitutes for LT3517EUF#TRPBF in various applications.

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