LT3474EFE-1#PBF

Product Overview

Category

The LT3474EFE-1#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices and systems to regulate and control power supply voltages efficiently.

Characteristics

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

Package

The LT3474EFE-1#PBF is available in a small form factor package, such as a 16-pin TSSOP (Thin Shrink Small Outline Package).

Essence

The essence of LT3474EFE-1#PBF lies in its ability to provide efficient and reliable power management solutions for a wide range of applications.

Packaging/Quantity

Typically, the LT3474EFE-1#PBF is supplied in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 36V
• Output Voltage Range: 0.8V to VIN
• Maximum Output Current: 3A
• Switching Frequency: Up to 1MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3474EFE-1#PBF features a 16-pin TSSOP package with the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. SW: Switch Node Connection
4. FB: Feedback Pin
5. SS: Soft-Start Capacitor Connection
6. VCC: Supply Voltage for Internal Circuitry
7. SYNC: Synchronization Input
8. RT: Oscillator Timing Resistor
9. CT: Oscillator Timing Capacitor
10. VOUT: Output Voltage
11. PGND: Power Ground
12. EN: Enable Pin
13. SS/TRK: Soft-Start/Tracking Pin
14. COMP: Compensation Node
15. BST: Bootstrap Capacitor Connection
16. LX: Inductor Connection

Functional Features

• High efficiency voltage regulation through a synchronous buck converter topology.
• Wide input voltage range allows for versatile applications.
• Adjustable output voltage enables customization according to specific requirements.
• Low quiescent current minimizes power consumption during standby or idle states.
• Overcurrent protection safeguards the IC and connected components from excessive currents.
• Thermal shutdown protection prevents overheating and potential damage.

Advantages and Disadvantages

Advantages

• High efficiency power management solution.
• Wide input voltage range provides flexibility in various applications.
• Adjustable output voltage allows for customization.
• Comprehensive protection features enhance reliability and durability.

Disadvantages

• Limited maximum output current of 3A may not be suitable for high-power applications.
• Requires external components for proper operation, increasing overall system complexity.

Working Principles

The LT3474EFE-1#PBF operates as a synchronous buck converter, converting a higher input voltage to a lower output voltage efficiently. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage based on feedback from the FB pin. The internal control circuitry adjusts the duty cycle of the switching transistor to maintain the desired output voltage. Additional features like soft-start and overcurrent protection ensure stable and safe operation.

Detailed Application Field Plans

The LT3474EFE-1#PBF finds application in various fields, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial automation - Automotive electronics - LED lighting systems

Detailed and Complete Alternative Models

• LT3474EFE#PBF
• LT3474IFE#PBF
• LT3474HFE#PBF
• LT3474MPFE#PBF

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

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