LM3535TME-2ALS/NOPB

Product Overview

Category

The LM3535TME-2ALS/NOPB belongs to the category of integrated circuits (ICs) and specifically falls under the category of LED drivers.

Use

This product is primarily used for driving and controlling LEDs (Light Emitting Diodes). It provides a regulated current source to power the LEDs efficiently.

Characteristics

• High efficiency: The LM3535TME-2ALS/NOPB offers high efficiency in driving LEDs, resulting in reduced power consumption.
• Adjustable brightness: It allows for adjustable brightness levels of the connected LEDs.
• Thermal protection: The IC incorporates thermal protection mechanisms to prevent overheating and ensure safe operation.
• Small form factor: The package size of the LM3535TME-2ALS/NOPB is compact, making it suitable for space-constrained applications.

Package

The LM3535TME-2ALS/NOPB is available in a small outline package (SOT-23), which is a surface-mount package. This package type ensures easy integration onto PCBs (Printed Circuit Boards).

Essence

The essence of the LM3535TME-2ALS/NOPB lies in its ability to efficiently drive and control LEDs, enabling various lighting applications with adjustable brightness levels.

Packaging/Quantity

The LM3535TME-2ALS/NOPB is typically supplied in reels or tape and reel packaging. Each reel contains a specific quantity of ICs, usually around 3000 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Current Range: Up to 350mA
• Dimming Control: PWM (Pulse Width Modulation)
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 90%
• Thermal Shutdown Protection: Yes
• Package Type: SOT-23

Pin Configuration

The LM3535TME-2ALS/NOPB has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. DIM (Dimming Control)
4. VOUT (Output Voltage)

Functional Features

• Constant current output: The LM3535TME-2ALS/NOPB provides a constant current output to ensure consistent brightness levels of the connected LEDs.
• Adjustable brightness: The dimming control pin allows for adjusting the brightness of the LEDs using PWM signals.
• Thermal protection: The IC incorporates thermal shutdown protection to prevent damage due to excessive heat.
• Wide input voltage range: It can operate within a wide input voltage range, making it suitable for various power supply configurations.

Advantages and Disadvantages

Advantages

• High efficiency results in reduced power consumption.
• Adjustable brightness allows for versatile lighting applications.
• Compact package size enables easy integration into space-constrained designs.
• Thermal protection ensures safe operation even under demanding conditions.

Disadvantages

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

Working Principles

The LM3535TME-2ALS/NOPB operates as a constant current source for driving LEDs. It regulates the current flowing through the LEDs to maintain a consistent brightness level. The dimming control pin allows for adjusting the LED brightness by varying the duty cycle of the PWM signal applied to it. The IC also incorporates thermal protection mechanisms to prevent overheating, ensuring reliable and safe operation.

Detailed Application Field Plans

The LM3535TME-2ALS/NOPB finds applications in various fields, including but not limited to: - General lighting: It can be used in residential and commercial lighting fixtures to provide adjustable and energy-efficient illumination. - Automotive lighting: The LM3535TME-2ALS/NOPB can be employed in automotive lighting systems, such as headlights and taillights, to achieve desired brightness levels. - Display backlighting: It is suitable for driving LEDs used in display backlighting applications, including LCD monitors, televisions, and mobile devices.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM3535TME-2ALS/NOPB include: - LM3409: A high-power LED driver with adjustable current control and thermal protection features. - LT3474: An LED driver IC with integrated boost converter and dimming control capabilities. - TPS92550: A compact LED driver offering high efficiency and adjustable brightness control.

These alternative models provide options for different power requirements, form factors, and additional features based on specific application needs.

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