LT3758EDD#TRPBF

Product Overview

Category

The LT3758EDD#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various power supply designs, including but not limited to DC/DC converters, LED drivers, and battery chargers.

Characteristics

• High efficiency: The LT3758EDD#TRPBF offers high efficiency conversion due to its low quiescent current and low dropout voltage.
• Wide input voltage range: It can operate with input voltages ranging from 3V to 40V, making it suitable for a wide range of applications.
• Adjustable output voltage: The output voltage can be easily adjusted using external resistors or feedback components.
• Current mode control: This IC utilizes current mode control to provide stable and reliable power regulation.

Package

The LT3758EDD#TRPBF is available in a DFN-12 package, which stands for Dual Flat No-Lead. This package provides a compact and space-saving solution for circuit board designs.

Essence

The essence of the LT3758EDD#TRPBF lies in its ability to efficiently regulate power in various applications, ensuring stable and reliable operation.

Packaging/Quantity

This IC is typically packaged in reels containing a specific quantity, such as 2500 units per reel. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 3V to 40V
• Output Voltage Range: Adjustable
• Maximum Output Current: Up to 5A
• Switching Frequency: Adjustable up to 1MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3758EDD#TRPBF has a total of 12 pins. The pin configuration is as follows:

1. VIN: Input voltage pin
2. SW: Switching node connection for power conversion
3. GND: Ground reference pin
4. FB: Feedback pin for output voltage regulation
5. VCC: Supply voltage for internal circuitry
6. SS: Soft-start capacitor connection
7. RT/CLK: External resistor or clock frequency setting pin
8. SYNC/SS/TR/UVLO: Synchronization, soft-start, tracking, and undervoltage lockout control pin
9. COMP: Compensation pin for stability optimization
10. PGND: Power ground reference pin
11. BST: Bootstrap capacitor connection for high-side MOSFET driver
12. LX: Inductor connection for power conversion

Functional Features

• Wide input voltage range allows for versatile applications.
• Adjustable output voltage provides flexibility in power supply designs.
• Current mode control ensures stable and reliable power regulation.
• Soft-start feature prevents excessive inrush current during startup.
• Synchronization capability enables multiple ICs to work together in a synchronized manner.

Advantages and Disadvantages

Advantages

• High efficiency conversion
• Wide input voltage range
• Adjustable output voltage
• Compact package size
• Current mode control for stability

Disadvantages

• Limited maximum output current (up to 5A)
• Requires external components for operation

Working Principles

The LT3758EDD#TRPBF operates based on the principle of current mode control. It regulates the output voltage by monitoring the current flowing through the inductor and adjusting the duty cycle of the switching transistor accordingly. This control mechanism ensures stable and efficient power conversion.

Detailed Application Field Plans

The LT3758EDD#TRPBF finds applications in various fields, including: - DC/DC converters for industrial equipment - LED drivers for lighting applications - Battery chargers for portable devices - Power supplies for automotive electronics

Detailed and Complete Alternative Models

1. LT3758AEDD#TRPBF: Similar to LT3758EDD#TRPBF, but with enhanced features.
2. LT3759EDD#TRPBF: Higher output current capability compared to LT3758EDD#TRPBF.
3. LT3760EDD#TRPBF: Suitable for high voltage applications.

These alternative models offer similar functionality and can be considered as alternatives based on specific requirements.

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