LTC3856EFE#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High Efficiency - Wide Input Voltage Range - Synchronous Buck Converter - Constant Frequency Current Mode Control - Adjustable Output Voltage - Programmable Soft-Start - Overvoltage and Overcurrent Protection

Package: 20-Lead TSSOP

Essence: The LTC3856EFE#TRPBF is a high-performance synchronous buck converter IC designed for power management applications. It offers high efficiency, a wide input voltage range, and various protection features.

Packaging/Quantity: The LTC3856EFE#TRPBF is available in a 20-Lead Thin Shrink Small Outline Package (TSSOP). It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 38V
• Output Voltage Range: 0.8V to VIN
• Maximum Output Current: 10A
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC3856EFE#TRPBF has the following pin configuration:

1. VCC
2. GND
3. FB
4. SS/TR/UVLO
5. SYNC/MODE
6. PGND
7. SW
8. SW
9. SW
10. SW
11. SW
12. SW
13. SW
14. SW
15. SW
16. SW
17. SW
18. SW
19. SW
20. SW

Functional Features

• High Efficiency Conversion
• Adjustable Output Voltage
• Programmable Soft-Start
• Overvoltage Protection
• Overcurrent Protection
• Synchronous Rectification

Advantages

• High efficiency results in reduced power dissipation and improved energy savings.
• Wide input voltage range allows for versatile applications.
• Constant frequency current mode control ensures stable operation.
• Adjustable output voltage provides flexibility in system design.
• Programmable soft-start prevents excessive inrush current during startup.
• Overvoltage and overcurrent protection enhance system reliability.

Disadvantages

• Limited maximum output current of 10A may not be suitable for high-power applications.
• The 20-Lead TSSOP package may require additional board space compared to smaller packages.

Working Principles

The LTC3856EFE#TRPBF operates as a synchronous buck converter, converting a higher input voltage to a lower output voltage. It utilizes a constant frequency current mode control scheme to regulate the output voltage. The IC incorporates various protection features such as overvoltage and overcurrent protection to ensure safe operation.

Detailed Application Field Plans

The LTC3856EFE#TRPBF is commonly used in the following application fields:

1. Industrial Power Supplies
2. Telecom Infrastructure
3. Automotive Electronics
4. Distributed Power Systems
5. Battery-Powered Equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LTC3856EFE#TRPBF include:

1. LT8610ABEMSE#PBF
2. MAX15062ATE+T
3. TPS54360DDAR
4. ADP2386ACPZ-R7
5. ISL8018IRAJZ-T

These alternative models can be considered based on specific requirements and compatibility with the target application.

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