LT3965IFE-1#TRPBF

Product Overview

Category

The LT3965IFE-1#TRPBF belongs to the category of integrated circuits (ICs) and specifically falls under the LED driver ICs.

Use

This product is primarily used for driving and controlling LEDs (Light Emitting Diodes). It provides a convenient solution for powering and dimming multiple LEDs in various applications.

Characteristics

• High efficiency: The LT3965IFE-1#TRPBF offers high efficiency power conversion, ensuring minimal energy loss during operation.
• Dimming control: It supports versatile dimming options, allowing users to adjust the brightness of connected LEDs.
• Wide input voltage range: The IC can accept a wide range of input voltages, making it suitable for different power supply configurations.
• Thermal protection: The LT3965IFE-1#TRPBF incorporates thermal shutdown circuitry to prevent overheating and ensure safe operation.

Package

The LT3965IFE-1#TRPBF comes in a small form factor package known as TSSOP-28. This package offers ease of handling and compatibility with standard PCB manufacturing processes.

Essence

The essence of the LT3965IFE-1#TRPBF lies in its ability to efficiently drive and control LEDs, enabling precise illumination control in various applications.

Packaging/Quantity

This product is typically supplied in tape and reel packaging, with 250 units per reel.

Specifications

• Input Voltage Range: 4V to 36V
• Output Current: Up to 1.5A
• Dimming Control: Analog/PWM
• Operating Temperature Range: -40°C to 125°C
• Package Type: TSSOP-28

Detailed Pin Configuration

The LT3965IFE-1#TRPBF features a TSSOP-28 package with the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. VCC: Supply voltage for internal circuitry
4. ADJ: Dimming control input
5. PWM: Pulse Width Modulation dimming control input
6. FB: Feedback pin for regulating output current
7. ISET: Current set pin
8. SW: Switch node connection
9. LX: Inductor connection
10. PGND: Power ground
11. EN/UVLO: Enable/Undervoltage Lockout control 12-28. NC: No connection

Functional Features

• LED Current Regulation: The LT3965IFE-1#TRPBF ensures precise regulation of LED current, maintaining consistent brightness levels.
• Wide Dimming Range: It supports a wide range of dimming options, allowing for flexible control over LED brightness.
• Fault Protection: The IC incorporates various protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown to ensure safe operation and prevent damage to the LEDs.

Advantages and Disadvantages

Advantages

• High efficiency power conversion
• Versatile dimming options
• Wide input voltage range
• Compact package size
• Comprehensive fault protection mechanisms

Disadvantages

• Limited maximum output current (up to 1.5A)
• Requires external components for operation

Working Principles

The LT3965IFE-1#TRPBF operates by converting the input voltage to a regulated current suitable for driving LEDs. It utilizes a feedback mechanism to maintain a constant LED current, ensuring consistent brightness levels. The dimming control inputs (ADJ and PWM) allow users to adjust the LED brightness according to their requirements.

Detailed Application Field Plans

The LT3965IFE-1#TRPBF finds applications in various fields, including: - Automotive lighting - Architectural lighting - Display backlighting - Signage and advertising - General illumination

Detailed and Complete Alternative Models

1. LT3965IFE: Similar to LT3965IFE-1#TRPBF, but without the TSSOP-28 package.
2. LT3965IMSE-1#TRPBF: A variant with a different package (MSOP-16) and slightly lower maximum output current.
3. LT3965HFE-1#TRPBF: A high-temperature variant suitable for harsh operating conditions.

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

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