LT3758MPMSE#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Wide input voltage range - Adjustable output voltage - Current mode control - Synchronous rectification - Programmable soft-start - Overvoltage protection - Undervoltage lockout - Thermal shutdown

Package: MSE (10-Lead MSOP)

Essence: The LT3758MPMSE#TRPBF is a high-efficiency, wide input voltage range, synchronous buck regulator. It is designed for power management applications.

Packaging/Quantity: The LT3758MPMSE#TRPBF is available in a 10-Lead MSOP package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4V to 60V
• Output Voltage Range: 0.97V to VIN
• Switching Frequency: Up to 2MHz
• Maximum Output Current: 4A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3758MPMSE#TRPBF has the following pin configuration:

1. SW: Switch Node Connection
2. GND: Ground
3. FB: Feedback Voltage Input
4. VCC: Supply Voltage Input
5. SYNC/MODE: External Clock Synchronization or Mode Selection
6. SS/TR/UVLO: Soft-Start, Tracking, and Undervoltage Lockout Control
7. RT: Oscillator Frequency Setting
8. PG: Power Good Indicator
9. COMP: Compensation Node
10. LX: Inductor Connection

Functional Features

• Wide input voltage range allows operation from various power sources.
• High efficiency minimizes power dissipation and extends battery life.
• Adjustable output voltage provides flexibility for different applications.
• Current mode control ensures stable and predictable operation.
• Synchronous rectification improves efficiency and reduces power loss.
• Programmable soft-start prevents excessive inrush current during startup.
• Overvoltage protection safeguards the circuit from voltage spikes.
• Undervoltage lockout prevents operation below a certain input voltage.
• Thermal shutdown protects the IC from overheating.

Advantages

• High efficiency results in reduced power consumption and longer battery life.
• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage provides versatility for different applications.
• Synchronous rectification improves overall efficiency.
• Programmable soft-start prevents excessive inrush current.

Disadvantages

• Limited maximum output current of 4A may not be suitable for high-power applications.
• The MSOP package may require additional thermal management for high-power designs.

Working Principles

The LT3758MPMSE#TRPBF is a synchronous buck regulator that converts a higher input voltage to a lower output voltage. It utilizes a current mode control architecture to regulate the output voltage. The integrated MOSFETs provide synchronous rectification, improving efficiency. The IC also includes various protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown.

Detailed Application Field Plans

The LT3758MPMSE#TRPBF can be used in a wide range of power management applications, including but not limited to: - Industrial equipment - Automotive systems - Telecommunications - Consumer electronics - LED lighting - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models to the LT3758MPMSE#TRPBF include: - LT3758EMSE#PBF: Similar specifications and features, but in an 10-Lead MSOP package. - LT3758HMPMSE#PBF: Higher maximum output current of 6A, but in an 10-Lead MSOP package. - LT3758EMSE#TRPBF: Similar specifications and features, but with a different reel quantity.

These alternative models provide similar functionality and can be considered based on specific application requirements.

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