LT3758AMPMSE#TRPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Wide Input Voltage Range, Adjustable Output Voltage, Synchronous Rectification
• Package: MSOP-16E
• Essence: Step-Down DC/DC Converter
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4V to 36V
• Output Voltage Range: 0.97V to VIN
• Switching Frequency: Up to 2MHz
• Maximum Output Current: 3A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3758AMPMSE#TRPBF has a total of 16 pins. The pin configuration is as follows:

1. SW: Switch Node Connection
2. PGND: Power Ground
3. FB: Feedback Voltage Input
4. COMP: Compensation Node
5. VCC: Supply Voltage Input
6. SS: Soft-Start Capacitor Connection
7. GND: Signal Ground
8. SYNC/MODE: External Clock Synchronization or Mode Selection
9. RT/CLKOUT: Oscillator Resistor or Clock Output
10. VFB: Feedback Voltage Output
11. ITH: Current Sense Threshold Setting
12. SS/TR/UVLO: Soft-Start, Tracking, and Undervoltage Lockout Control
13. BST: Bootstrap Capacitor Connection
14. LX: Inductor Connection
15. VSW: Switch Node Voltage Monitor
16. VIN: Input Voltage

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency ensures minimal power loss during conversion.
• Adjustable output voltage provides flexibility in system design.
• Synchronous rectification improves overall efficiency.
• Soft-start feature prevents inrush current during startup.
• External clock synchronization enables precise timing control.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for compatibility with various power sources. - High efficiency results in reduced power consumption and heat generation. - Adjustable output voltage provides flexibility for different load requirements. - Synchronous rectification improves overall system efficiency.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - The MSOP-16E package may require additional thermal management for certain operating conditions.

Working Principles

The LT3758AMPMSE#TRPBF is a step-down DC/DC converter that utilizes a switching regulator to efficiently convert a higher input voltage to a lower output voltage. It employs a synchronous rectification technique to minimize power loss during the conversion process. The IC incorporates various control features such as soft-start, tracking, and undervoltage lockout to ensure reliable operation. By adjusting the feedback voltage and using external components, the output voltage can be set to the desired level.

Detailed Application Field Plans

The LT3758AMPMSE#TRPBF is commonly used in the following application fields:

1. Automotive: Power management for automotive electronics, including infotainment systems, lighting, and sensors.
2. Industrial: Voltage regulation for industrial equipment, motor drives, and control systems.
3. Telecommunications: Power supply solutions for telecommunications infrastructure, base stations, and network equipment.
4. Consumer Electronics: Efficient power management for portable devices, home appliances, and audio/video systems.

Detailed and Complete Alternative Models

1. LT3758AEMSE#TRPBF: Similar specifications and features, but available in an MSOP-12E package.
2. LT3758HMPMSE#TRPBF: Higher maximum output current of 5A, suitable for more demanding applications.
3. LT3758IMPMSE#TRPBF: Lower maximum output current of 2A, ideal for low-power applications.

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list of available options.

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