LT3579EFE-1#TRPBF

Product Overview

Category

The LT3579EFE-1#TRPBF belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power management applications.

Characteristics

• High efficiency
• Wide input voltage range
• Adjustable output voltage
• Low quiescent current
• Overvoltage protection
• Thermal shutdown protection

Package

The LT3579EFE-1#TRPBF is available in a small and compact 20-pin TSSOP package.

Essence

The essence of the LT3579EFE-1#TRPBF lies in its ability to efficiently regulate and manage power in various electronic devices.

Packaging/Quantity

The LT3579EFE-1#TRPBF is typically packaged in reels, with 250 units per reel.

Specifications

• Input Voltage Range: 2.5V to 40V
• Output Voltage Range: 0.8V to 36V
• Switching Frequency: Up to 2MHz
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3579EFE-1#TRPBF has a total of 20 pins. Here is the detailed pin configuration:

1. VIN: Input voltage pin
2. SW: Switch node connection for the internal power switch
3. GND: Ground reference pin
4. FB: Feedback pin for output voltage regulation
5. VCC: Supply voltage for internal control circuitry
6. SS: Soft-start capacitor connection
7. SYNC: External synchronization input
8. RT: Timing resistor connection for switching frequency control
9. CT: Timing capacitor connection for switching frequency control
10. PGND: Power ground reference pin
11. VOUT: Output voltage pin
12. EN/UVLO: Enable/Undervoltage lockout control pin
13. SS/TRK: Soft-start/tracking capacitor connection
14. BST: Bootstrap capacitor connection for high-side gate driver
15. PGND: Power ground reference pin
16. SW: Switch node connection for the internal power switch
17. GND: Ground reference pin
18. FB: Feedback pin for output voltage regulation
19. VCC: Supply voltage for internal control circuitry
20. VIN: Input voltage pin

Functional Features

• High efficiency power conversion
• Wide input voltage range allows for versatile applications
• Adjustable output voltage to meet specific requirements
• Low quiescent current minimizes power consumption
• Overvoltage protection safeguards against voltage spikes
• Thermal shutdown protection prevents overheating

Advantages and Disadvantages

Advantages

• High efficiency leads to energy savings
• Wide input voltage range provides flexibility
• Adjustable output voltage accommodates various devices
• Low quiescent current prolongs battery life
• Overvoltage protection ensures device safety
• Thermal shutdown protection prevents damage from excessive heat

Disadvantages

• Limited availability of alternative models
• Relatively higher cost compared to some other ICs in the market

Working Principles

The LT3579EFE-1#TRPBF operates as a step-down (buck) switching regulator. It converts a higher input voltage to a lower output voltage with high efficiency. The internal control circuitry regulates the duty cycle of the internal power switch, ensuring the desired output voltage is maintained. The IC also incorporates various protection features such as overvoltage protection and thermal shutdown to safeguard the connected devices.

Detailed Application Field Plans

The LT3579EFE-1#TRPBF finds applications in various fields, including but not limited to: - Industrial automation - Automotive electronics - Telecommunications - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

While the LT3579EFE-1#TRPBF is a highly capable IC, there are alternative models available in the market that offer similar functionality. Some notable alternatives include: - LM2596 - LT8610 - TPS54331

These alternative models can be considered based on specific application requirements and availability.

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